POINTING ANALYSIS FOR STATION: PT on Sat 7 Dec 1996 DOY:342 COMMENT WITH DATA: ! Produced by: TSM Dec 07 96 03:42 RESULTS SUMMARY: Item PT 1cm -------------------------------------------- Total data points RCP: 262 LCP: 241 Points used for pointing: RCP: 214 LCP: 199 Points on calibrators: RCP: 23 LCP: 25 Points used for gains: RCP: 241 LCP: 228 Frequency in MHz (last point): 22286. Expected beam size (arc min): 1.85 Cal Temperature (K) (input): RCP: 7.57 (Last point - scaled) LCP: 9.48 Scale factor for all temps. RCP: 1.00 LCP: 1.00 Zenith system temp. (K): RCP: 95.4 LCP: 94.7 Zenith Atmosphere Temp. (K): RCP: 18.9 * => assumed value used. LCP: 23.8 Uncorrected Gain (K/Jy): RCP: 0.127 * => assumed value used. LCP: 0.129 Opacity Corr. Gain (K/Jy): RCP: 0.149 * => assumed value used. LCP: 0.156 Efficiency (Opa. Corr.) RCP: 0.84 * => assumed value used. LCP: 0.88 Zenith SEFD (Jy): RCP: 640. * => based on assumed gain. LCP: 606. Expected SEFD (Jy): RCP: 711. For this station. LCP: 731. Squint (R-L) (arc min): Az: 0.10 El: 0.03 Beam size (arc min): RCP Az: 1.84 RCP El: 1.87 LCP Az: 1.84 LCP El: 1.85 Collimation offsets: Apriori pointing offsets: Az: 3.10 (arc min) El: 1.86 Average measured offset: Az: 3.04 (arc min) El: 1.45 Postfit average offset: Az: 2.87 (arc min) El: 1.90 RMS deviation from apriori: Az: 10.0 (arc sec) El: 27.1 RMS of average: Az: 9.3 (arc sec) El: 11.5 RMS of postfit offsets: Az: 8.2 (arc sec) El: 10.1 Pt. offset for 0.95 gain (arc sec): 15.1 Collimation offset changes ^^^^^ Average - Apriori: Az: -3.5 (arc sec) El: -24.5 Postfit - Apriori: Az: -13.6 (arc sec) El: 2.4 -------------------------------------------- POINTING ANALYSIS FOR STATION: PT on Sat 7 Dec 1996 DOY:342 Page 2 USER INPUT: Data input file (INFILE): 1cmdec.tsm Gain data file (GAINFILE): /jansky/POINTING/vlba_gains.key This print file (SUMFILE): 1cmdec.summary Checker print (CHKFILE): 1cmdec.check Output data table (OUTFILE): 1cmdec.ptanal Plot file (PLOTFILE): 1cmdec.plot/vps Frequency band for main pointing equation fit (FITBAND): 1cm Beam size range for accepted data as fraction of expected beam (RBEAM): 0.60 1.70 Minimum antenna temperature (TANT): 0.50 Maximum sec(za) for gain solutions and flux densities (MAXSECZ): 10.00 Assumed ambient temperature (TEMP - use only if weather station data not there): 283. Assumed difference between weather station temperature and mean atmospheric temperature (TDIFF(ISTA)): 15.0 Parameter weights (from SOLVE): 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 0. 1. 1. 1. Parameter adjustments (SETCOEFF): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 POINTING FIT RESULTS from band: 1cm (All in arcmin except az. enc.) ITEM Screen item Old Value Wt. Change New Value 1: West Tilt EWTILT 0.43 1. 0.12 0.55 2: North Tilt NSTILT -1.39 1. -0.06 -1.45 3: Azimuth Collimation AZCOLIM 3.10 1. -0.23 2.87 4: Azimuth Encoder AZ ENC -179D19'20" 1. 0.24 -179D19'05" 5: Sag ELCENC -1.35 1. -0.31 -1.66 6: Elevation Collimation ELCOLIM 1.86 1. 0.04 1.90 7: Azimuth Cos(2*Az) FLEXC -0.11 1. -0.12 -0.23 8: Azimuth Sin(2*Az) FLEXS 0.06 1. 0.09 0.15 9: Elev. Cos(2*Az) ELQUADC -0.06 1. -0.05 -0.11 10: Elev. Sin(2*Az) ELQUADS 0.00 1. -0.01 -0.01 11: Axis Non-perp. PERP 0.00 0. 0.00 0.00 12: Az. Encoder - Cos. AZCENC 0.00 1. -0.08 -0.08 13: Az. Encoder - Sin. AZCENS -0.06 1. -0.11 -0.17 14: El. Encoder - Sin. ELCENS 0.00 1. -0.35 -0.35 El. Encoder - Cos. is same as sag. EFFECT OF HIGHLY CORRELATED TERMS vs. ELEVATION. [AZCOLIM+AZENC*COS(EL)+PERP*SIN(EL)] [ELCOLIM+ELENC*COS(EL)+ELCENS*SIN(EL)] Elev. Old New Change Old New Change 0 43.77 43.78 0.01 0.51 0.24 -0.27 10 43.15 43.16 0.01 0.53 0.21 -0.32 20 41.32 41.32 0.00 0.59 0.22 -0.37 30 38.32 38.30 -0.02 0.69 0.29 -0.40 40 34.25 34.21 -0.04 0.83 0.41 -0.42 50 29.24 29.17 -0.07 0.99 0.57 -0.42 60 23.43 23.33 -0.11 1.18 0.77 -0.41 70 17.01 16.87 -0.14 1.40 1.01 -0.39 80 10.16 9.98 -0.19 1.63 1.27 -0.35 90 3.10 2.87 -0.23 1.86 1.55 -0.31 Normalized correlation matrix times 100 (az and el fit together): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 100 11 -32 27 -19 23 -11 10 16 58 0 -57 -21 -27 2 11 100 7 -5 -17 23 -7 -7 -5 36 0 -17 -42 -31 3 -32 7 100 -94 4 -5 -10 -44 -6 -15 0 -4 18 5 4 27 -5 -94 100 -3 4 3 51 5 13 0 -3 -18 -4 5 -19 -17 4 -3 100 -98 3 0 5 -3 0 12 10 95 6 23 23 -5 4 -98 100 -3 0 -5 12 0 -15 -13 -99 7 -11 -7 -10 3 3 -3 100 16 -1 -8 0 12 1 4 8 10 -7 -44 51 0 0 16 100 2 3 0 20 -51 0 9 16 -5 -6 5 5 -5 -1 2 100 23 0 -8 0 2 10 58 36 -15 13 -3 12 -8 3 23 100 0 -36 -24 -20 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 -57 -17 -4 -3 12 -15 12 20 -8 -36 0 100 23 18 13 -21 -42 18 -18 10 -13 1 -51 0 -24 0 23 100 17 14 -27 -31 5 -4 95 -99 4 0 2 -20 0 18 17 100 POINTING ANALYSIS FOR STATION: PT on Sat 7 Dec 1996 DOY:342 Page 3 INPUT GAIN CURVES from GAINFILE - Only curves with coefficients other than 1,0,0... shown. For 1cm R gain coefficients = 1.000 -.1667E-02 0. 0. 0. 0. 0. For 1cm L gain coefficients = 1.000 -.1667E-02 0. 0. 0. 0. 0. SOURCES: (A negative N obs implies the flux density is based low elevation scans only) (Do not trust results if gain in either polarization had to be assumed!) Average Pointing Offsets (arcsec) Source Band N obs Flux Density (Jy) Flux Density (Jy) Assumed Flux (Jy) Prefit Postfit Not corrected Opacity corrected Baars, Perley or input RA Dec RA Dec 3C84 PT 1cm R 34 17.75 +- 1.34 16.92 +- 1.94 ---- -4.5 8.8 2.9 0.5 3C84 PT 1cm L 35 17.46 +- 1.40 16.56 +- 1.94 ---- -0.9 9.1 4.4 1.2 W3OH PT 1cm R 54 686.31 +- 20.49 669.34 +- 35.89 ---- 20.8 14.0 1.7 -0.2 W3OH PT 1cm L 54 684.15 +- 22.30 678.21 +- 38.52 ---- 20.9 13.9 1.8 -0.2 CEPA PT 1cm R 35 143.46 +- 5.23 144.18 +- 7.04 ---- 46.2 -2.5 -1.4 -0.5 CEPA PT 1cm L 36 146.88 +- 7.26 150.23 +- 8.50 ---- 45.6 -1.7 -1.8 -0.2 ORION PT 1cm R 31 550.84 +- 72.02 541.35 +- 76.69 ---- 56.0 -11.9 8.1 -6.0 ORION PT 1cm L 19 555.29 +- 118.99 570.17 +- 142.95 ---- 59.0 -4.5 10.0 -1.5 VYCMA PT 1cm R 26 284.02 +- 13.47 301.80 +- 13.40 ---- -11.1 -22.0 -0.7 -1.0 VYCMA PT 1cm L 26 284.52 +- 17.27 309.89 +- 19.46 ---- -9.4 -21.7 0.5 -0.6 4C39.25 PT 1cm R 10 12.52 +- 0.76 12.51 +- 0.47 ---- -45.4 -5.2 -6.6 0.3 4C39.25 PT 1cm L 8 11.98 +- 0.88 12.05 +- 1.22 ---- -45.6 -6.9 -7.2 -0.5 3C274 PT 1cm R 5 18.83 +- 0.46 20.39 +- 0.56 19.96 -10.9 4.7 14.5 17.7 3C274 PT 1cm L 7 21.08 +- 3.12 22.30 +- 2.86 19.96 2.1 2.9 17.5 13.8 3C273 PT 1cm R 6 30.00 +- 1.41 32.27 +- 1.59 ---- -24.8 -20.8 -1.1 -7.7 3C273 PT 1cm L 5 45.88 +- 23.18 52.13 +- 29.28 ---- 0.0 0.0 0.0 0.0 DR21 PT 1cm R 18 19.41 +- 1.10 18.89 +- 1.67 19.04 -1.7 9.7 -26.3 10.4 DR21 PT 1cm L 18 18.91 +- 1.23 18.27 +- 1.73 19.04 -0.9 11.0 -25.6 11.8 ON1 PT 1cm R 10 68.12 +- 0.83 67.34 +- 3.49 ---- 24.0 -6.6 4.2 -5.4 ON1 PT 1cm L 10 65.79 +- 2.13 66.12 +- 4.07 ---- 23.7 -7.0 3.9 -5.8 3C454.3 PT 1cm R 12 9.21 +- 0.86 8.52 +- 0.75 ---- 10.5 -18.2 0.4 -5.9 3C454.3 PT 1cm L 10 8.94 +- 0.75 8.37 +- 0.80 ---- 11.0 -17.8 1.0 -5.5 W49N PT 1cm R 0 0.00 +- 0.00 0.00 +- 0.00 ---- 0.0 0.0 0.0 0.0 W49N PT 1cm L 0 0.00 +- 0.00 0.00 +- 0.00 ---- 0.0 0.0 0.0 0.0 WEATHER RECORD: A value of -99.0 indicates that data were missing. This may mark the cleaning cycle for the dew point meter. The digital numbers are better except in the case of the wind velocity. Records printed at 2 hour intervals or when dew point meter is cleaning (value = -99.0) |------ Analog Values ----| Digital |------------- Digital Values ---------------| Day Hr Min Temp Dew Pt. Wind Wind Pressure Rain Snow Temp Dew Pt Min T Max T Wind Gust (C) (C) (mph) (PA) (mbar) (cm) (cm) (C) (C) (C) (C) (mph) (mph) -------------------------------------------------------------------------------------------------------------------- 341 0 4 -99.0 -99.0 11.4 273. 761.8 0.00 -99.00 4.4 -9.8 -99. -99. -99.0 16.8 341 2 20 -99.0 -99.0 4.0 270. 761.9 0.00 -99.00 1.9 -8.6 -99. -99. -99.0 6.3 341 4 20 -99.0 -99.0 2.9 255. 761.6 0.00 -99.00 0.7 -8.4 -99. -99. -99.0 5.6 341 6 36 -99.0 -99.0 3.4 273. 761.3 0.00 -99.00 1.2 -7.6 -99. -99. -99.0 5.6 341 8 36 -99.0 -99.0 2.0 300. 761.1 0.00 -99.00 1.4 -6.5 -99. -99. -99.0 6.7 341 10 52 -99.0 -99.0 3.6 174. 760.0 0.00 -99.00 -0.9 -5.2 -99. -99. -99.0 5.1 341 12 52 -99.0 -99.0 2.7 131. 759.7 0.00 -99.00 -0.3 -3.2 -99. -99. -99.0 4.7 341 15 8 -99.0 -99.0 5.6 253. 760.5 0.00 -99.00 0.0 -4.4 -99. -99. -99.0 8.7 341 17 8 -99.0 -99.0 10.7 277. 761.6 0.00 -99.00 5.0 -1.7 -99. -99. -99.0 18.1 341 19 24 -99.0 -99.0 11.0 266. 759.9 0.00 -99.00 7.9 -0.4 -99. -99. -99.0 29.1 341 19 41 -99.0 -99.0 14.3 275. 759.6 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 29.1 341 21 41 -99.0 -99.0 36.2 274. 759.5 0.00 -99.00 8.3 -3.8 -99. -99. -99.0 35.8 341 23 57 -99.0 -99.0 11.9 228. 761.5 0.00 -99.00 5.5 -1.2 -99. -99. -99.0 27.1 342 2 12 -99.0 -99.0 4.5 237. 763.7 0.00 -99.00 3.4 -1.1 -99. -99. -99.0 14.1 342 4 28 -99.0 -99.0 0.7 218. 765.1 0.00 -99.00 1.7 -1.0 -99. -99. -99.0 10.3 342 6 28 -99.0 -99.0 3.4 256. 766.2 0.00 -99.00 1.6 -1.0 -99. -99. -99.0 7.4 342 8 44 -99.0 -99.0 4.3 284. 766.4 0.00 -99.00 0.9 -1.1 -99. -99. -99.0 7.8 342 10 44 -99.0 -99.0 6.3 242. 767.0 0.00 -99.00 0.9 -1.3 -99. -99. -99.0 8.9 342 13 0 -99.0 -99.0 4.3 278. 768.2 0.00 -99.00 0.7 -1.1 -99. -99. -99.0 8.3 342 15 0 -99.0 -99.0 0.0 223. 769.4 0.00 -99.00 0.9 -0.9 -99. -99. -99.0 3.1 342 17 16 -99.0 -99.0 5.4 266. 771.2 0.00 -99.00 2.6 -0.2 -99. -99. -99.0 7.2 342 19 16 -99.0 -99.0 10.5 285. 771.2 0.00 -99.00 3.7 -0.5 -99. -99. -99.0 12.5 342 19 33 -99.0 -99.0 6.0 269. 771.2 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 10.5 342 21 49 -99.0 -99.0 3.1 293. 770.7 0.00 -99.00 6.8 -1.9 -99. -99. -99.0 10.3 342 23 49 -99.0 -99.0 2.5 267. 771.1 0.00 -99.00 5.6 -2.7 -99. -99. -99.0 4.0 343 2 3 -99.0 -99.0 0.0 221. 772.1 0.00 -99.00 3.6 -2.8 -99. -99. -99.0 0.9 343 4 3 -99.0 -99.0 3.8 115. 772.7 0.00 -99.00 2.7 -2.5 -99. -99. -99.0 6.3 343 6 19 -99.0 -99.0 2.5 210. 773.1 0.00 -99.00 5.4 -2.2 -99. -99. -99.0 3.1 343 8 19 -99.0 -99.0 4.7 129. 772.9 0.00 -99.00 2.5 -2.9 -99. -99. -99.0 7.8 343 10 35 -99.0 -99.0 4.7 141. 772.4 0.00 -99.00 3.1 -4.0 -99. -99. -99.0 7.4 343 12 35 -99.0 -99.0 5.4 132. 772.3 0.00 -99.00 2.0 -4.0 -99. -99. -99.0 8.3 343 14 51 -99.0 -99.0 2.9 175. 772.3 0.00 -99.00 3.4 -2.8 -99. -99. -99.0 8.7 343 16 51 -99.0 -99.0 8.5 110. 772.5 0.00 -99.00 8.8 -0.7 -99. -99. -99.0 12.5 343 19 7 -99.0 -99.0 7.2 177. 771.3 0.00 -99.00 13.2 -4.6 -99. -99. -99.0 14.1 343 19 41 -99.0 -99.0 7.6 165. 771.1 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 12.5 343 21 41 -99.0 -99.0 8.3 189. 770.1 0.00 -99.00 15.8 -5.0 -99. -99. -99.0 10.3 343 23 57 -99.0 -99.0 1.6 216. 769.9 0.00 -99.00 12.5 -5.7 -99. -99. -99.0 3.1 344 2 12 -99.0 -99.0 4.3 133. 770.0 0.00 -99.00 8.4 -4.3 -99. -99. -99.0 7.2 344 4 28 -99.0 -99.0 6.0 125. 769.6 0.00 -99.00 6.6 -3.3 -99. -99. -99.0 7.4 344 6 28 -99.0 -99.0 5.1 135. 769.6 0.00 -99.00 5.9 -3.4 -99. -99. -99.0 6.7 344 8 44 -99.0 -99.0 4.3 151. 769.1 0.00 -99.00 4.2 -2.8 -99. -99. -99.0 8.9 344 10 44 -99.0 -99.0 3.1 126. 768.5 0.00 -99.00 4.7 -3.7 -99. -99. -99.0 7.4 344 13 0 -99.0 -99.0 3.6 131. 768.3 0.00 -99.00 4.9 -4.7 -99. -99. -99.0 6.3 344 15 0 -99.0 -99.0 4.3 110. 768.2 0.00 -99.00 6.6 -4.8 -99. -99. -99.0 6.3 344 17 16 -99.0 -99.0 3.6 108. 768.4 0.00 -99.00 12.5 -2.5 -99. -99. -99.0 9.4 344 19 16 -99.0 -99.0 11.6 147. 766.5 0.00 -99.00 15.2 -0.8 -99. -99. -99.0 19.7 344 19 33 -99.0 -99.0 10.1 283. 766.8 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 25.9 344 21 49 -99.0 -99.0 2.7 155. 765.9 0.00 -99.00 13.3 -2.0 -99. -99. -99.0 16.1 344 23 49 -99.0 -99.0 6.5 233. 765.5 0.00 -99.00 10.1 -2.2 -99. -99. -99.0 15.0 345 2 3 -99.0 -99.0 11.4 237. 765.6 0.00 -99.00 7.7 -2.8 -99. -99. -99.0 13.0 345 4 3 -99.0 -99.0 2.5 173. 765.4 0.00 -99.00 6.7 -3.3 -99. -99. -99.0 8.7 345 6 19 -99.0 -99.0 3.8 190. 764.8 0.00 -99.00 6.4 -3.7 -99. -99. -99.0 14.1 345 8 19 -99.0 -99.0 8.3 195. 764.7 0.00 -99.00 6.1 -2.6 -99. -99. -99.0 8.3 345 10 35 -99.0 -99.0 5.6 164. 763.5 0.00 -99.00 5.2 -4.3 -99. -99. -99.0 13.4 POINTING ANALYSIS FOR STATION: KP on Sat 7 Dec 1996 DOY:342 COMMENT WITH DATA: ! Produced by: TSM Dec 07 96 03:42 RESULTS SUMMARY: Item KP 1cm -------------------------------------------- Total data points RCP: 277 LCP: 277 Points used for pointing: RCP: 235 LCP: 239 Points on calibrators: RCP: 23 LCP: 24 Points used for gains: RCP: 268 LCP: 268 Frequency in MHz (last point): 22286. Expected beam size (arc min): 1.85 Cal Temperature (K) (input): RCP: 4.61 (Last point - scaled) LCP: 4.67 Scale factor for all temps. RCP: 1.00 LCP: 1.00 Zenith system temp. (K): RCP: 66.8 LCP: 68.2 Zenith Atmosphere Temp. (K): RCP: 22.9 * => assumed value used. LCP: 22.9 Uncorrected Gain (K/Jy): RCP: 0.099 * => assumed value used. LCP: 0.095 Opacity Corr. Gain (K/Jy): RCP: 0.116 * => assumed value used. LCP: 0.113 Efficiency (Opa. Corr.) RCP: 0.65 * => assumed value used. LCP: 0.63 Zenith SEFD (Jy): RCP: 576. * => based on assumed gain. LCP: 604. Expected SEFD (Jy): RCP: 612. For this station. LCP: 643. Squint (R-L) (arc min): Az: 0.09 El: 0.05 Beam size (arc min): RCP Az: 1.94 RCP El: 1.90 LCP Az: 1.94 LCP El: 1.90 Collimation offsets: Apriori pointing offsets: Az: 0.49 (arc min) El: 1.94 Average measured offset: Az: 0.50 (arc min) El: 2.02 Postfit average offset: Az: 0.44 (arc min) El: 1.64 RMS deviation from apriori: Az: 8.5 (arc sec) El: 8.9 RMS of average: Az: 8.4 (arc sec) El: 7.7 RMS of postfit offsets: Az: 6.8 (arc sec) El: 6.2 Pt. offset for 0.95 gain (arc sec): 15.1 Collimation offset changes Average - Apriori: Az: 0.9 (arc sec) El: 4.5 Postfit - Apriori: Az: -3.3 (arc sec) El: -17.7 -------------------------------------------- POINTING ANALYSIS FOR STATION: KP on Sat 7 Dec 1996 DOY:342 Page 2 USER INPUT: Data input file (INFILE): 1cmdec.tsm Gain data file (GAINFILE): /jansky/POINTING/vlba_gains.key This print file (SUMFILE): 1cmdec.summary Checker print (CHKFILE): 1cmdec.check Output data table (OUTFILE): 1cmdec.ptanal Plot file (PLOTFILE): 1cmdec.plot/vps Frequency band for main pointing equation fit (FITBAND): 1cm Beam size range for accepted data as fraction of expected beam (RBEAM): 0.60 1.70 Minimum antenna temperature (TANT): 0.50 Maximum sec(za) for gain solutions and flux densities (MAXSECZ): 10.00 Assumed ambient temperature (TEMP - use only if weather station data not there): 283. Assumed difference between weather station temperature and mean atmospheric temperature (TDIFF(ISTA)): 15.0 Parameter weights (from SOLVE): 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 0. 1. 1. 1. Parameter adjustments (SETCOEFF): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 POINTING FIT RESULTS from band: 1cm (All in arcmin except az. enc.) ITEM Screen item Old Value Wt. Change New Value 1: West Tilt EWTILT 0.14 1. 0.00 0.14 2: North Tilt NSTILT 0.12 1. 0.10 0.22 3: Azimuth Collimation AZCOLIM 0.49 1. -0.05 0.44 4: Azimuth Encoder AZ ENC -180D01'15" 1. 0.16 -180D01'05" 5: Sag ELCENC -1.65 1. 0.29 -1.36 6: Elevation Collimation ELCOLIM 1.94 1. -0.30 1.64 7: Azimuth Cos(2*Az) FLEXC 0.30 1. 0.01 0.31 8: Azimuth Sin(2*Az) FLEXS 0.05 1. 0.11 0.16 9: Elev. Cos(2*Az) ELQUADC 0.02 1. 0.05 0.07 10: Elev. Sin(2*Az) ELQUADS 0.02 1. 0.03 0.05 11: Axis Non-perp. PERP 0.00 0. 0.00 0.00 12: Az. Encoder - Cos. AZCENC -0.05 1. 0.00 -0.05 13: Az. Encoder - Sin. AZCENS -0.10 1. 0.02 -0.08 14: El. Encoder - Sin. ELCENS 0.00 1. 0.20 0.20 El. Encoder - Cos. is same as sag. EFFECT OF HIGHLY CORRELATED TERMS vs. ELEVATION. [AZCOLIM+AZENC*COS(EL)+PERP*SIN(EL)] [ELCOLIM+ELENC*COS(EL)+ELCENS*SIN(EL)] Elev. Old New Change Old New Change 0 -0.76 -0.65 0.11 0.29 0.28 -0.01 10 -0.74 -0.64 0.10 0.32 0.34 0.02 20 -0.68 -0.59 0.10 0.39 0.43 0.04 30 -0.59 -0.51 0.09 0.51 0.56 0.05 40 -0.47 -0.40 0.07 0.68 0.73 0.05 50 -0.31 -0.26 0.05 0.88 0.92 0.04 60 -0.13 -0.11 0.03 1.12 1.14 0.02 70 0.06 0.06 0.00 1.38 1.37 -0.01 80 0.27 0.25 -0.03 1.65 1.61 -0.05 90 0.49 0.44 -0.05 1.94 1.85 -0.09 Normalized correlation matrix times 100 (az and el fit together): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 100 -7 -43 37 -15 21 -8 8 13 69 0 -53 -7 -23 2 -7 100 7 -5 -9 15 -6 -9 1 13 0 -1 -40 -25 3 -43 7 100 -95 6 -8 -12 -28 -5 -29 0 2 13 8 4 37 -5 -95 100 -5 7 11 37 5 25 0 -9 -17 -8 5 -15 -9 6 -5 100 -98 1 0 -1 -6 0 8 5 93 6 21 15 -8 7 -98 100 -2 0 5 17 0 -12 -8 -98 7 -8 -6 -12 11 1 -2 100 31 -1 -6 0 9 -6 3 8 8 -9 -28 37 0 0 31 100 0 4 0 11 -51 0 9 13 1 -5 5 -1 5 -1 0 100 28 0 -7 -2 -8 10 69 13 -29 25 -6 17 -6 4 28 100 0 -37 -12 -23 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 -53 -1 2 -9 8 -12 9 11 -7 -37 0 100 15 13 13 -7 -40 13 -17 5 -8 -6 -51 -2 -12 0 15 100 12 14 -23 -25 8 -8 93 -98 3 0 -8 -23 0 13 12 100 POINTING ANALYSIS FOR STATION: KP on Sat 7 Dec 1996 DOY:342 Page 3 INPUT GAIN CURVES from GAINFILE - Only curves with coefficients other than 1,0,0... shown. SOURCES: (A negative N obs implies the flux density is based low elevation scans only) (Do not trust results if gain in either polarization had to be assumed!) Average Pointing Offsets (arcsec) Source Band N obs Flux Density (Jy) Flux Density (Jy) Assumed Flux (Jy) Prefit Postfit Not corrected Opacity corrected Baars, Perley or input RA Dec RA Dec 3C84 KP 1cm R 44 18.68 +- 1.65 18.50 +- 1.43 ---- 3.2 -1.7 2.2 2.0 3C84 KP 1cm L 43 19.33 +- 1.33 18.67 +- 1.13 ---- 4.4 -2.0 3.4 1.8 W3OH KP 1cm R 54 659.71 +- 30.68 666.71 +- 19.26 ---- -2.7 -7.4 2.7 -0.4 W3OH KP 1cm L 54 683.95 +- 27.80 677.52 +- 9.89 ---- -2.4 -7.4 3.1 -0.4 3C454.3 KP 1cm R 16 9.27 +- 1.09 9.20 +- 0.75 ---- 2.1 -0.8 1.5 -0.1 3C454.3 KP 1cm L 16 9.79 +- 1.10 9.45 +- 0.71 ---- 2.8 -1.9 2.1 -0.8 CEPA KP 1cm R 39 144.58 +- 14.46 150.80 +- 3.00 ---- -14.6 -5.1 -0.3 -2.3 CEPA KP 1cm L 39 151.81 +- 15.89 155.17 +- 8.87 ---- -16.1 -5.4 -1.9 -2.4 ORION KP 1cm R 18 523.84 +- 65.13 562.57 +- 105.94 ---- -11.2 -2.7 4.6 0.1 ORION KP 1cm L 18 553.10 +- 40.21 576.12 +- 82.36 ---- -8.9 -2.8 6.7 0.1 4C39.25 KP 1cm R 30 11.15 +- 1.09 11.48 +- 0.73 ---- 5.2 -3.7 -2.5 2.7 4C39.25 KP 1cm L 30 11.39 +- 1.00 11.48 +- 0.63 ---- 6.2 -3.2 -1.3 3.2 VYCMA KP 1cm R 28 255.46 +- 13.78 289.96 +- 5.66 ---- 2.1 -0.1 -1.2 0.7 VYCMA KP 1cm L 28 261.11 +- 12.99 291.44 +- 5.88 ---- 1.9 -0.2 -1.3 0.6 3C274 KP 1cm R 7 17.79 +- 0.81 19.79 +- 1.36 19.96 11.0 -13.2 8.0 -6.8 3C274 KP 1cm L 8 18.16 +- 0.63 19.65 +- 1.04 19.96 8.8 -10.2 5.6 -3.6 3C273 KP 1cm R 4 26.72 +- 1.83 30.11 +- 1.84 ---- 3.2 -10.9 2.0 -5.3 3C273 KP 1cm L 4 27.97 +- 2.04 30.82 +- 1.96 ---- 4.2 -10.4 3.0 -4.8 3C345 KP 1cm R 2 8.54 +- 0.14 9.02 +- 0.23 ---- -10.5 -11.7 -5.4 -10.5 3C345 KP 1cm L 2 8.76 +- 0.24 9.06 +- 0.29 ---- -8.7 -11.1 -3.6 -9.9 DR21 KP 1cm R 16 19.93 +- 1.21 19.14 +- 1.03 19.04 -10.2 -2.1 -7.3 1.0 DR21 KP 1cm L 16 20.43 +- 1.22 19.24 +- 0.98 19.04 -9.5 -2.0 -6.6 1.1 ON1 KP 1cm R 10 67.60 +- 3.28 67.36 +- 3.14 ---- -7.2 -9.0 -5.2 -7.1 ON1 KP 1cm L 10 70.29 +- 2.07 68.95 +- 2.00 ---- -6.4 -9.3 -4.4 -7.4 WEATHER RECORD: A value of -99.0 indicates that data were missing. This may mark the cleaning cycle for the dew point meter. The digital numbers are better except in the case of the wind velocity. Records printed at 2 hour intervals or when dew point meter is cleaning (value = -99.0) |------ Analog Values ----| Digital |------------- Digital Values ---------------| Day Hr Min Temp Dew Pt. Wind Wind Pressure Rain Snow Temp Dew Pt Min T Max T Wind Gust (C) (C) (mph) (PA) (mbar) (cm) (cm) (C) (C) (C) (C) (mph) (mph) -------------------------------------------------------------------------------------------------------------------- 341 0 4 -99.0 -99.0 3.6 352. 809.9 0.00 -99.00 9.8 -16.9 -99. -99. -99.0 14.1 341 2 20 -99.0 -99.0 8.3 220. 809.3 0.00 -99.00 8.0 -16.1 -99. -99. -99.0 18.8 341 4 20 -99.0 -99.0 10.1 215. 809.3 0.00 -99.00 8.0 -15.1 -99. -99. -99.0 16.6 341 5 45 -99.0 -99.0 6.9 259. 809.0 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 13.4 341 7 45 -99.0 -99.0 10.1 172. 809.0 0.00 -99.00 7.9 -18.2 -99. -99. -99.0 18.3 341 10 1 -99.0 -99.0 7.8 236. 808.8 0.00 -99.00 6.9 -18.7 -99. -99. -99.0 15.0 341 12 1 -99.0 -99.0 9.4 157. 808.0 0.00 -99.00 7.0 -15.3 -99. -99. -99.0 19.2 341 14 17 -99.0 -99.0 17.2 170. 808.5 0.00 -99.00 7.6 -6.4 -99. -99. -99.0 22.8 341 16 17 -99.0 -99.0 6.5 186. 809.8 0.00 -99.00 8.4 -5.8 -99. -99. -99.0 20.4 341 18 33 -99.0 -99.0 8.7 269. 810.5 0.00 -99.00 8.9 -3.8 -99. -99. -99.0 16.6 341 20 33 -99.0 -99.0 10.1 291. 809.5 0.00 -99.00 10.5 -1.6 -99. -99. -99.0 17.2 341 21 58 -99.0 -99.0 10.1 262. 809.1 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 20.8 342 0 12 -99.0 -99.0 4.7 280. 809.6 0.00 -99.00 9.7 0.0 -99. -99. -99.0 18.1 342 2 12 -99.0 -99.0 1.8 45. 810.5 0.00 -99.00 8.9 -0.2 -99. -99. -99.0 11.0 342 4 28 -99.0 -99.0 6.0 304. 811.5 0.00 -99.00 8.5 -2.1 -99. -99. -99.0 11.0 342 5 37 -99.0 -99.0 6.7 184. 811.9 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 14.5 342 7 53 -99.0 -99.0 9.4 158. 812.1 0.00 -99.00 8.1 0.3 -99. -99. -99.0 16.8 342 9 53 -99.0 -99.0 9.4 201. 812.4 0.00 -99.00 7.6 0.0 -99. -99. -99.0 13.4 342 12 9 -99.0 -99.0 4.5 329. 812.5 0.00 -99.00 8.0 3.0 -99. -99. -99.0 8.7 342 14 9 -99.0 -99.0 8.9 335. 813.9 0.00 -99.00 9.0 3.1 -99. -99. -99.0 11.9 342 16 25 -99.0 -99.0 2.0 261. 815.3 0.00 -99.00 10.9 2.4 -99. -99. -99.0 5.1 342 17 16 -99.0 -99.0 2.2 294. 815.8 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 5.6 342 17 50 -99.0 -99.0 2.9 272. 815.8 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 8.3 342 19 50 -99.0 -99.0 3.6 198. 815.0 0.00 -99.00 13.9 1.6 -99. -99. -99.0 8.7 342 22 6 -99.0 -99.0 3.4 11. 814.2 0.00 -99.00 13.0 0.0 -99. -99. -99.0 5.6 343 0 21 -99.0 -99.0 2.9 140. 814.3 0.00 -99.00 10.7 -0.4 -99. -99. -99.0 4.7 343 2 37 -99.0 -99.0 3.6 138. 815.0 0.00 -99.00 11.4 -2.9 -99. -99. -99.0 6.3 343 4 37 -99.0 -99.0 3.8 117. 815.4 0.00 -99.00 11.8 -2.4 -99. -99. -99.0 7.8 343 5 45 -99.0 -99.0 2.7 164. 815.5 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 7.8 343 7 45 -99.0 -99.0 4.0 169. 814.8 0.00 -99.00 12.7 -0.9 -99. -99. -99.0 12.5 343 10 1 -99.0 -99.0 4.5 199. 814.4 0.00 -99.00 12.7 -1.0 -99. -99. -99.0 13.0 343 12 1 -99.0 -99.0 5.8 159. 813.7 0.00 -99.00 12.4 -2.3 -99. -99. -99.0 11.0 343 14 17 -99.0 -99.0 3.8 188. 813.2 0.00 -99.00 12.4 -2.5 -99. -99. -99.0 18.8 343 16 17 -99.0 -99.0 10.5 172. 814.0 0.00 -99.00 15.3 -2.7 -99. -99. -99.0 16.8 343 18 33 -99.0 -99.0 2.9 203. 814.0 0.00 -99.00 18.6 -1.7 -99. -99. -99.0 8.7 343 20 33 -99.0 -99.0 4.9 142. 812.7 0.00 -99.00 19.0 -0.6 -99. -99. -99.0 9.8 343 22 49 -99.0 -99.0 1.3 187. 812.1 0.00 -99.00 16.9 -0.4 -99. -99. -99.0 6.7 344 1 4 -99.0 -99.0 1.3 251. 812.0 0.00 -99.00 13.7 -0.4 -99. -99. -99.0 4.7 344 3 20 -99.0 -99.0 11.4 168. 812.2 0.00 -99.00 14.6 -1.3 -99. -99. -99.0 14.1 344 5 20 -99.0 -99.0 8.7 187. 812.4 0.00 -99.00 14.5 -3.0 -99. -99. -99.0 14.1 344 5 37 -99.0 -99.0 4.9 159. 812.4 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 13.6 344 7 53 -99.0 -99.0 17.7 181. 812.1 0.00 -99.00 14.6 -2.9 -99. -99. -99.0 21.9 344 9 53 -99.0 -99.0 16.8 172. 811.5 0.00 -99.00 14.8 -3.7 -99. -99. -99.0 25.5 344 12 9 -99.0 -99.0 16.6 176. 810.3 0.00 -99.00 14.2 -4.9 -99. -99. -99.0 24.4 344 14 9 -99.0 -99.0 16.3 161. 810.6 0.00 -99.00 13.1 -3.0 -99. -99. -99.0 27.5 344 16 25 -99.0 -99.0 13.9 143. 811.4 0.00 -99.00 13.7 -1.4 -99. -99. -99.0 28.6 344 18 25 -99.0 -99.0 17.7 186. 811.8 0.00 -99.00 14.4 -0.5 -99. -99. -99.0 24.4 344 20 41 -99.0 -99.0 16.6 175. 810.7 0.00 -99.00 14.7 -0.1 -99. -99. -99.0 25.1 344 22 41 -99.0 -99.0 15.0 165. 810.0 0.00 -99.00 13.4 -0.8 -99. -99. -99.0 30.6 345 0 55 -99.0 -99.0 16.8 183. 809.2 0.00 -99.00 11.8 0.0 -99. -99. -99.0 35.3 345 3 12 -99.0 -99.0 26.6 171. 809.6 0.00 -99.00 10.1 -0.2 -99. -99. -99.0 31.3 345 5 28 -99.0 -99.0 18.8 195. 810.4 0.00 -99.00 8.9 0.1 -99. -99. -99.0 29.3 345 5 45 -99.0 -99.0 9.6 194. 810.6 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 26.6 345 7 45 -99.0 -99.0 20.4 154. 809.9 0.00 -99.00 8.8 0.5 -99. -99. -99.0 31.8 345 10 1 -99.0 -99.0 23.0 238. 809.8 0.00 -99.00 9.1 1.8 -99. -99. -99.0 33.8 POINTING ANALYSIS FOR STATION: LA on Sat 7 Dec 1996 DOY:342 COMMENT WITH DATA: ! Produced by: TSM Dec 07 96 03:42 RESULTS SUMMARY: Item LA 1cm -------------------------------------------- Total data points RCP: 310 LCP: 303 Points used for pointing: RCP: 271 LCP: 265 Points on calibrators: RCP: 28 LCP: 26 Points used for gains: RCP: 304 LCP: 299 Frequency in MHz (last point): 22286. Expected beam size (arc min): 1.85 Cal Temperature (K) (input): RCP: 23.11 (Last point - scaled) LCP: 21.82 Scale factor for all temps. RCP: 1.00 LCP: 1.00 Zenith system temp. (K): RCP: 101.7 LCP: 90.7 Zenith Atmosphere Temp. (K): RCP: 12.7 * => assumed value used. LCP: 14.7 Uncorrected Gain (K/Jy): RCP: 0.086 * => assumed value used. LCP: 0.090 Opacity Corr. Gain (K/Jy): RCP: 0.097 * => assumed value used. LCP: 0.102 Efficiency (Opa. Corr.) RCP: 0.55 * => assumed value used. LCP: 0.58 Zenith SEFD (Jy): RCP: 1046. * => based on assumed gain. LCP: 886. Expected SEFD (Jy): RCP: 1171. For this station. LCP: 1045. Squint (R-L) (arc min): Az: 0.11 El: 0.01 Beam size (arc min): RCP Az: 1.86 RCP El: 1.93 LCP Az: 1.87 LCP El: 1.93 Collimation offsets: Apriori pointing offsets: Az: 3.53 (arc min) El: -1.60 Average measured offset: Az: 3.54 (arc min) El: -1.46 Postfit average offset: Az: 3.24 (arc min) El: -2.09 RMS deviation from apriori: Az: 12.4 (arc sec) El: 15.8 RMS of average: Az: 12.4 (arc sec) El: 13.4 RMS of postfit offsets: Az: 11.8 (arc sec) El: 12.0 Pt. offset for 0.95 gain (arc sec): 15.1 Collimation offset changes Average - Apriori: Az: 0.4 (arc sec) El: 8.4 Postfit - Apriori: Az: -17.4 (arc sec) El: -29.6 -------------------------------------------- POINTING ANALYSIS FOR STATION: LA on Sat 7 Dec 1996 DOY:342 Page 2 USER INPUT: Data input file (INFILE): 1cmdec.tsm Gain data file (GAINFILE): /jansky/POINTING/vlba_gains.key This print file (SUMFILE): 1cmdec.summary Checker print (CHKFILE): 1cmdec.check Output data table (OUTFILE): 1cmdec.ptanal Plot file (PLOTFILE): 1cmdec.plot/vps Frequency band for main pointing equation fit (FITBAND): 1cm Beam size range for accepted data as fraction of expected beam (RBEAM): 0.60 1.70 Minimum antenna temperature (TANT): 0.50 Maximum sec(za) for gain solutions and flux densities (MAXSECZ): 10.00 Assumed ambient temperature (TEMP - use only if weather station data not there): 283. Assumed difference between weather station temperature and mean atmospheric temperature (TDIFF(ISTA)): 15.0 Parameter weights (from SOLVE): 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 0. 1. 1. 1. Parameter adjustments (SETCOEFF): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 POINTING FIT RESULTS from band: 1cm (All in arcmin except az. enc.) ITEM Screen item Old Value Wt. Change New Value 1: West Tilt EWTILT 0.03 1. 0.15 0.18 2: North Tilt NSTILT 0.41 1. 0.11 0.52 3: Azimuth Collimation AZCOLIM 3.53 1. -0.29 3.24 4: Azimuth Encoder AZ ENC -180D17'25" 1. 0.40 -180D17'01" 5: Sag ELCENC -1.40 1. 0.54 -0.86 6: Elevation Collimation ELCOLIM -1.60 1. -0.49 -2.09 7: Azimuth Cos(2*Az) FLEXC 0.23 1. -0.03 0.20 8: Azimuth Sin(2*Az) FLEXS -0.12 1. 0.11 -0.01 9: Elev. Cos(2*Az) ELQUADC 0.09 1. 0.05 0.14 10: Elev. Sin(2*Az) ELQUADS -0.02 1. 0.07 0.05 11: Axis Non-perp. PERP 0.00 0. 0.00 0.00 12: Az. Encoder - Cos. AZCENC -0.05 1. -0.02 -0.07 13: Az. Encoder - Sin. AZCENS -0.01 1. -0.19 -0.20 14: El. Encoder - Sin. ELCENS 0.00 1. 0.33 0.33 El. Encoder - Cos. is same as sag. EFFECT OF HIGHLY CORRELATED TERMS vs. ELEVATION. [AZCOLIM+AZENC*COS(EL)+PERP*SIN(EL)] [ELCOLIM+ELENC*COS(EL)+ELCENS*SIN(EL)] Elev. Old New Change Old New Change 0 -13.89 -13.78 0.11 -3.00 -2.96 0.04 10 -13.63 -13.52 0.10 -2.98 -2.89 0.09 20 -12.84 -12.76 0.08 -2.92 -2.79 0.12 30 -11.56 -11.50 0.05 -2.81 -2.68 0.13 40 -9.81 -9.80 0.01 -2.67 -2.54 0.13 50 -7.67 -7.70 -0.03 -2.50 -2.40 0.10 60 -5.18 -5.27 -0.09 -2.30 -2.24 0.06 70 -2.43 -2.58 -0.15 -2.08 -2.08 0.00 80 0.51 0.28 -0.22 -1.84 -1.92 -0.08 90 3.53 3.24 -0.29 -1.60 -1.77 -0.17 Normalized correlation matrix times 100 (az and el fit together): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 100 7 -35 29 -16 21 -13 5 3 62 0 -47 -12 -24 2 7 100 5 -3 -15 20 -11 -7 8 30 0 -12 -44 -28 3 -35 5 100 -94 4 -5 5 -21 0 -19 0 -2 15 6 4 29 -3 -94 100 -3 5 -9 29 0 17 0 -4 -19 -5 5 -16 -15 4 -3 100 -98 3 0 8 -4 0 8 8 94 6 21 20 -5 5 -98 100 -4 0 -5 12 0 -11 -11 -99 7 -13 -11 5 -9 3 -4 100 25 -1 -11 0 34 18 6 8 5 -7 -21 29 0 0 25 100 0 1 0 24 -46 0 9 3 8 0 0 8 -5 -1 0 100 33 0 -2 -3 4 10 62 30 -19 17 -4 12 -11 1 33 100 0 -31 -19 -16 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 -47 -12 -2 -4 8 -11 34 24 -2 -31 0 100 18 13 13 -12 -44 15 -19 8 -11 18 -46 -3 -19 0 18 100 14 14 -24 -28 6 -5 94 -99 6 0 4 -16 0 13 14 100 POINTING ANALYSIS FOR STATION: LA on Sat 7 Dec 1996 DOY:342 Page 3 INPUT GAIN CURVES from GAINFILE - Only curves with coefficients other than 1,0,0... shown. SOURCES: (A negative N obs implies the flux density is based low elevation scans only) (Do not trust results if gain in either polarization had to be assumed!) Average Pointing Offsets (arcsec) Source Band N obs Flux Density (Jy) Flux Density (Jy) Assumed Flux (Jy) Prefit Postfit Not corrected Opacity corrected Baars, Perley or input RA Dec RA Dec 3C84 LA 1cm R 48 19.87 +- 1.32 19.09 +- 1.52 ---- -4.8 -0.5 1.0 -0.3 3C84 LA 1cm L 49 19.60 +- 1.56 18.69 +- 1.29 ---- -5.0 -0.3 0.5 0.0 W3OH LA 1cm R 52 657.86 +- 15.67 625.80 +- 11.03 ---- -16.3 -2.4 -4.4 3.3 W3OH LA 1cm L 52 677.79 +- 19.01 652.05 +- 13.36 ---- -16.3 -2.4 -4.3 3.3 CEPA LA 1cm R 34 129.43 +- 8.06 126.53 +- 5.39 ---- -35.4 4.4 -8.3 1.7 CEPA LA 1cm L 34 137.17 +- 8.83 136.13 +- 5.69 ---- -35.6 4.4 -8.5 1.6 ORION LA 1cm R 50 558.21 +- 117.96 544.10 +- 116.99 ---- -7.8 3.8 21.8 -1.8 ORION LA 1cm L 46 569.47 +- 132.65 564.69 +- 132.42 ---- -5.6 3.0 24.3 -2.7 4C39.25 LA 1cm R 35 11.63 +- 1.75 11.37 +- 1.53 ---- 10.8 -4.2 8.6 -3.3 4C39.25 LA 1cm L 36 11.83 +- 1.71 11.51 +- 1.41 ---- 11.1 -5.5 8.9 -4.6 3C454.3 LA 1cm R 14 9.03 +- 1.04 8.88 +- 0.83 ---- -11.9 5.5 -3.8 -2.8 3C454.3 LA 1cm L 14 9.15 +- 0.93 8.99 +- 0.64 ---- -13.1 6.3 -5.2 -2.7 VYCMA LA 1cm R 30 242.70 +- 8.41 245.33 +- 7.27 ---- -0.7 9.4 2.3 5.3 VYCMA LA 1cm L 30 245.53 +- 9.07 252.84 +- 6.12 ---- -0.6 9.4 2.3 5.3 3C274 LA 1cm R 12 20.11 +- 2.41 20.80 +- 2.58 19.96 -23.3 1.6 -17.7 2.5 3C274 LA 1cm L 10 20.17 +- 2.26 20.66 +- 2.00 19.96 -21.3 0.9 -15.6 1.8 3C273 LA 1cm R 2 28.41 +- 0.87 29.48 +- 1.72 ---- -15.7 16.0 -7.0 16.8 3C273 LA 1cm L 2 29.69 +- 0.39 30.78 +- 0.57 ---- -14.9 14.8 -6.1 15.6 DR21 LA 1cm R 16 19.42 +- 0.99 19.06 +- 0.82 19.04 -24.4 10.8 -9.4 6.9 DR21 LA 1cm L 16 19.14 +- 1.29 18.92 +- 0.79 19.04 -24.3 10.6 -9.3 6.7 ON1 LA 1cm R 10 60.15 +- 5.81 59.96 +- 3.35 ---- -7.2 -8.8 4.5 -18.5 ON1 LA 1cm L 10 61.26 +- 5.62 62.15 +- 3.15 ---- -8.0 -9.0 3.7 -18.7 3C279 LA 1cm R 1 88.04 +- 0.00 100.77 +- 0.00 ---- -59.3 84.5 -48.4 85.3 3C279 LA 1cm L 0 0.00 +- 0.00 0.00 +- 0.00 ---- 0.0 0.0 0.0 0.0 WEATHER RECORD: A value of -99.0 indicates that data were missing. This may mark the cleaning cycle for the dew point meter. The digital numbers are better except in the case of the wind velocity. Records printed at 2 hour intervals or when dew point meter is cleaning (value = -99.0) |------ Analog Values ----| Digital |------------- Digital Values ---------------| Day Hr Min Temp Dew Pt. Wind Wind Pressure Rain Snow Temp Dew Pt Min T Max T Wind Gust (C) (C) (mph) (PA) (mbar) (cm) (cm) (C) (C) (C) (C) (mph) (mph) -------------------------------------------------------------------------------------------------------------------- 341 0 4 -99.0 -99.0 2.2 247. 797.6 0.00 -99.00 5.7 -8.8 -99. -99. -99.0 7.8 341 2 20 -99.0 -99.0 3.1 189. 797.6 0.00 -99.00 6.7 -7.5 -99. -99. -99.0 7.2 341 4 20 -99.0 -99.0 3.6 188. 797.7 0.00 -99.00 6.0 -6.5 -99. -99. -99.0 7.8 341 6 36 -99.0 -99.0 4.0 339. 798.3 0.00 -99.00 6.5 -4.2 -99. -99. -99.0 9.4 341 8 19 -99.0 -99.0 3.8 281. 797.7 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 7.8 341 10 35 -99.0 -99.0 3.8 204. 797.1 0.00 -99.00 4.8 -2.8 -99. -99. -99.0 5.6 341 12 35 -99.0 -99.0 1.8 151. 796.8 0.00 -99.00 3.9 -2.8 -99. -99. -99.0 5.6 341 14 51 -99.0 -99.0 3.8 284. 797.0 0.00 -99.00 2.9 -2.4 -99. -99. -99.0 6.3 341 16 51 -99.0 -99.0 11.4 254. 797.6 0.00 -99.00 7.5 -0.7 -99. -99. -99.0 14.1 341 19 7 -99.0 -99.0 9.6 205. 796.4 0.00 -99.00 7.3 0.1 -99. -99. -99.0 20.4 341 21 7 -99.0 -99.0 5.1 243. 796.6 0.00 -99.00 8.1 -0.1 -99. -99. -99.0 18.8 341 23 23 -99.0 -99.0 13.6 281. 797.4 0.00 -99.00 8.4 -1.5 -99. -99. -99.0 18.8 342 1 4 -99.0 -99.0 7.2 101. 799.2 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 13.4 342 2 12 -99.0 -99.0 7.4 87. 800.5 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 12.5 342 4 28 -99.0 -99.0 4.5 205. 802.5 0.00 -99.00 4.9 -4.2 -99. -99. -99.0 7.8 342 6 28 -99.0 -99.0 2.7 40. 803.8 0.00 -99.00 3.7 -4.8 -99. -99. -99.0 4.7 342 8 27 -99.0 -99.0 7.8 96. 804.3 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 11.0 342 8 44 -99.0 -99.0 8.9 32. 804.0 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 17.7 342 10 44 -99.0 -99.0 5.1 70. 805.3 0.00 -99.00 1.2 -4.3 -99. -99. -99.0 9.8 342 13 0 -99.0 -99.0 8.1 44. 806.1 0.00 -99.00 -0.1 -4.1 -99. -99. -99.0 11.0 342 15 0 -99.0 -99.0 4.5 86. 808.2 0.00 -99.00 1.7 -3.9 -99. -99. -99.0 7.8 342 17 16 -99.0 -99.0 5.8 81. 809.7 0.00 -99.00 4.8 -3.6 -99. -99. -99.0 8.7 342 19 16 -99.0 -99.0 1.3 129. 809.4 0.00 -99.00 7.2 -4.1 -99. -99. -99.0 11.0 342 21 32 -99.0 -99.0 1.8 73. 808.8 0.00 -99.00 8.6 -4.3 -99. -99. -99.0 7.8 342 23 32 -99.0 -99.0 3.1 97. 809.4 0.00 -99.00 8.2 -4.3 -99. -99. -99.0 4.0 343 1 46 -99.0 -99.0 3.4 24. 810.5 0.00 -99.00 4.5 -4.3 -99. -99. -99.0 4.7 343 3 46 -99.0 -99.0 4.9 27. 811.5 0.00 -99.00 3.5 -4.5 -99. -99. -99.0 7.8 343 6 2 -99.0 -99.0 3.8 43. 812.6 0.00 -99.00 2.3 -4.5 -99. -99. -99.0 6.3 343 8 2 -99.0 -99.0 2.0 29. 812.4 0.00 -99.00 1.3 -4.5 -99. -99. -99.0 7.2 343 8 19 -99.0 -99.0 5.1 26. 812.5 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 7.8 343 10 35 -99.0 -99.0 6.5 45. 811.5 0.00 -99.00 -0.2 -4.6 -99. -99. -99.0 10.5 343 12 35 -99.0 -99.0 7.8 47. 811.5 0.00 -99.00 -0.2 -4.8 -99. -99. -99.0 12.5 343 14 51 -99.0 -99.0 4.7 54. 812.0 0.00 -99.00 0.2 -4.7 -99. -99. -99.0 5.1 343 16 51 -99.0 -99.0 5.4 101. 812.7 0.00 -99.00 3.0 -4.2 -99. -99. -99.0 7.8 343 19 7 -99.0 -99.0 3.4 137. 811.3 0.00 -99.00 7.6 -4.3 -99. -99. -99.0 6.3 343 21 7 -99.0 -99.0 3.8 67. 809.8 0.00 -99.00 9.8 -4.3 -99. -99. -99.0 6.3 343 23 23 -99.0 -99.0 2.9 75. 809.2 0.00 -99.00 9.9 -3.9 -99. -99. -99.0 4.0 344 1 38 -99.0 -99.0 2.9 117. 808.9 0.00 -99.00 8.0 -3.6 -99. -99. -99.0 7.8 344 3 54 -99.0 -99.0 3.4 62. 808.6 0.00 -99.00 4.9 -3.8 -99. -99. -99.0 7.8 344 5 54 -99.0 -99.0 3.8 62. 808.5 0.00 -99.00 5.5 -3.7 -99. -99. -99.0 7.8 344 8 10 -99.0 -99.0 5.8 59. 807.9 0.00 -99.00 3.6 -3.6 -99. -99. -99.0 6.3 344 8 27 -99.0 -99.0 3.4 59. 808.0 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 5.6 344 10 27 -99.0 -99.0 4.5 46. 807.4 0.00 -99.00 1.2 -3.7 -99. -99. -99.0 5.6 344 12 43 -99.0 -99.0 6.3 57. 807.2 0.00 -99.00 -0.8 -3.9 -99. -99. -99.0 7.8 344 14 43 -99.0 -99.0 7.8 43. 807.2 0.00 -99.00 -0.1 -3.9 -99. -99. -99.0 10.3 344 16 59 -99.0 -99.0 6.3 44. 806.9 0.00 -99.00 3.7 -3.7 -99. -99. -99.0 7.2 344 18 59 -99.0 -99.0 3.4 104. 805.4 0.00 -99.00 8.3 -3.1 -99. -99. -99.0 4.7 344 21 15 -99.0 -99.0 6.3 230. 804.0 0.00 -99.00 11.8 0.0 -99. -99. -99.0 15.7 344 23 15 -99.0 -99.0 1.1 59. 803.4 0.00 -99.00 12.2 -0.3 -99. -99. -99.0 2.5 345 1 29 -99.0 -99.0 2.5 319. 802.8 0.00 -99.00 9.3 -0.3 -99. -99. -99.0 4.0 345 3 29 -99.0 -99.0 1.3 299. 803.0 0.00 -99.00 8.4 -0.7 -99. -99. -99.0 4.7 345 5 45 -99.0 -99.0 0.7 94. 802.6 0.00 -99.00 6.9 -0.7 -99. -99. -99.0 2.5 345 7 45 -99.0 -99.0 6.3 272. 802.0 0.00 -99.00 6.5 -0.6 -99. -99. -99.0 7.2 345 8 19 -99.0 -99.0 5.4 305. 801.5 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 7.2 345 10 35 -99.0 -99.0 6.3 264. 801.0 0.00 -99.00 5.7 -0.5 -99. -99. -99.0 6.3 POINTING ANALYSIS FOR STATION: FD on Sat 7 Dec 1996 DOY:342 COMMENT WITH DATA: ! Produced by: TSM Dec 07 96 03:42 RESULTS SUMMARY: Item FD 1cm -------------------------------------------- Total data points RCP: 298 LCP: 294 Points used for pointing: RCP: 242 LCP: 238 Points on calibrators: RCP: 23 LCP: 21 Points used for gains: RCP: 293 LCP: 290 Frequency in MHz (last point): 22233. Expected beam size (arc min): 1.85 Cal Temperature (K) (input): RCP: 3.70 (Last point - scaled) LCP: 3.61 Scale factor for all temps. RCP: 1.00 LCP: 1.00 Zenith system temp. (K): RCP: 83.9 LCP: 86.4 Zenith Atmosphere Temp. (K): RCP: 19.3 * => assumed value used. LCP: 20.3 Uncorrected Gain (K/Jy): RCP: 0.090 * => assumed value used. LCP: 0.093 Opacity Corr. Gain (K/Jy): RCP: 0.108 * => assumed value used. LCP: 0.113 Efficiency (Opa. Corr.) RCP: 0.61 * => assumed value used. LCP: 0.63 Zenith SEFD (Jy): RCP: 774. * => based on assumed gain. LCP: 766. Expected SEFD (Jy): RCP: 717. For this station. LCP: 737. Squint (R-L) (arc min): Az: 0.11 El: 0.04 Beam size (arc min): RCP Az: 1.87 RCP El: 1.92 LCP Az: 1.89 LCP El: 1.91 Collimation offsets: Apriori pointing offsets: Az: -0.13 (arc min) El: -1.76 Average measured offset: Az: -0.19 (arc min) El: -1.78 Postfit average offset: Az: -0.20 (arc min) El: -2.38 RMS deviation from apriori: Az: 9.4 (arc sec) El: 6.1 RMS of average: Az: 8.7 (arc sec) El: 6.0 RMS of postfit offsets: Az: 8.6 (arc sec) El: 5.7 Pt. offset for 0.95 gain (arc sec): 15.1 Collimation offset changes Average - Apriori: Az: -3.5 (arc sec) El: -1.2 Postfit - Apriori: Az: -4.4 (arc sec) El: -36.9 -------------------------------------------- POINTING ANALYSIS FOR STATION: FD on Sat 7 Dec 1996 DOY:342 Page 2 USER INPUT: Data input file (INFILE): 1cmdec.tsm Gain data file (GAINFILE): /jansky/POINTING/vlba_gains.key This print file (SUMFILE): 1cmdec.summary Checker print (CHKFILE): 1cmdec.check Output data table (OUTFILE): 1cmdec.ptanal Plot file (PLOTFILE): 1cmdec.plot/vps Frequency band for main pointing equation fit (FITBAND): 1cm Beam size range for accepted data as fraction of expected beam (RBEAM): 0.60 1.70 Minimum antenna temperature (TANT): 0.50 Maximum sec(za) for gain solutions and flux densities (MAXSECZ): 10.00 Assumed ambient temperature (TEMP - use only if weather station data not there): 283. Assumed difference between weather station temperature and mean atmospheric temperature (TDIFF(ISTA)): 15.0 Parameter weights (from SOLVE): 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 0. 1. 1. 1. Parameter adjustments (SETCOEFF): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 POINTING FIT RESULTS from band: 1cm (All in arcmin except az. enc.) ITEM Screen item Old Value Wt. Change New Value 1: West Tilt EWTILT 0.25 1. -0.02 0.23 2: North Tilt NSTILT 0.15 1. -0.01 0.14 3: Azimuth Collimation AZCOLIM -0.13 1. -0.07 -0.20 4: Azimuth Encoder AZ ENC -179D16'47" 1. 0.05 -179D16'44" 5: Sag ELCENC -1.79 1. 0.47 -1.32 6: Elevation Collimation ELCOLIM -1.76 1. -0.62 -2.38 7: Azimuth Cos(2*Az) FLEXC 0.09 1. 0.02 0.11 8: Azimuth Sin(2*Az) FLEXS -0.09 1. 0.08 -0.01 9: Elev. Cos(2*Az) ELQUADC 0.05 1. -0.01 0.04 10: Elev. Sin(2*Az) ELQUADS -0.01 1. 0.00 -0.01 11: Axis Non-perp. PERP 0.00 0. 0.00 0.00 12: Az. Encoder - Cos. AZCENC -0.06 1. 0.00 -0.06 13: Az. Encoder - Sin. AZCENS 0.01 1. -0.05 -0.04 14: El. Encoder - Sin. ELCENS 0.00 1. 0.41 0.41 El. Encoder - Cos. is same as sag. EFFECT OF HIGHLY CORRELATED TERMS vs. ELEVATION. [AZCOLIM+AZENC*COS(EL)+PERP*SIN(EL)] [ELCOLIM+ELENC*COS(EL)+ELCENS*SIN(EL)] Elev. Old New Change Old New Change 0 43.09 43.06 -0.03 -3.55 -3.69 -0.14 10 42.43 42.40 -0.03 -3.52 -3.60 -0.08 20 40.48 40.45 -0.03 -3.44 -3.48 -0.03 30 37.30 37.27 -0.03 -3.31 -3.31 0.00 40 32.98 32.94 -0.04 -3.13 -3.12 0.01 50 27.65 27.61 -0.04 -2.91 -2.91 0.00 60 21.48 21.43 -0.05 -2.65 -2.68 -0.03 70 14.65 14.59 -0.06 -2.37 -2.44 -0.07 80 7.38 7.31 -0.07 -2.07 -2.20 -0.13 90 -0.13 -0.20 -0.07 -1.76 -1.97 -0.21 Normalized correlation matrix times 100 (az and el fit together): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 100 -5 -35 30 -8 10 -7 3 -2 56 0 -46 -2 -11 2 -5 100 3 -3 -5 11 -3 -10 -2 20 0 -2 -42 -20 3 -35 3 100 -95 2 -3 -10 -22 0 -19 0 -10 0 3 4 30 -3 -95 100 -2 3 5 34 0 16 0 6 -5 -3 5 -8 -5 2 -2 100 -98 0 0 -2 0 0 4 2 94 6 10 11 -3 3 -98 100 -1 0 4 7 0 -5 -5 -99 7 -7 -3 -10 5 0 -1 100 10 0 -4 0 23 28 1 8 3 -10 -22 34 0 0 10 100 0 0 0 19 -29 1 9 -2 -2 0 0 -2 4 0 0 100 19 0 1 1 -6 10 56 20 -19 16 0 7 -4 0 19 100 0 -27 -11 -13 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 -46 -2 -10 6 4 -5 23 19 1 -27 0 100 25 6 13 -2 -42 0 -5 2 -5 28 -29 1 -11 0 25 100 9 14 -11 -20 3 -3 94 -99 1 1 -6 -13 0 6 9 100 POINTING ANALYSIS FOR STATION: FD on Sat 7 Dec 1996 DOY:342 Page 3 INPUT GAIN CURVES from GAINFILE - Only curves with coefficients other than 1,0,0... shown. For 1cm R gain coefficients = 1.000 -.1100E-02 0. 0. 0. 0. 0. For 1cm L gain coefficients = 1.000 -.1100E-02 0. 0. 0. 0. 0. SOURCES: (A negative N obs implies the flux density is based low elevation scans only) (Do not trust results if gain in either polarization had to be assumed!) Average Pointing Offsets (arcsec) Source Band N obs Flux Density (Jy) Flux Density (Jy) Assumed Flux (Jy) Prefit Postfit Not corrected Opacity corrected Baars, Perley or input RA Dec RA Dec W3OH FD 1cm R 60 694.78 +- 26.55 670.18 +- 10.30 ---- 9.3 0.5 6.4 1.4 W3OH FD 1cm L 60 707.47 +- 30.24 687.09 +- 9.39 ---- 9.4 0.4 6.5 1.3 3C454.3 FD 1cm R 14 9.51 +- 0.59 9.29 +- 0.32 ---- 2.0 -0.9 0.6 0.1 3C454.3 FD 1cm L 14 9.39 +- 0.84 9.19 +- 0.52 ---- 0.7 -1.0 -0.8 0.1 CEPA FD 1cm R 36 158.85 +- 6.12 158.18 +- 3.20 ---- -0.5 -1.9 -3.5 0.9 CEPA FD 1cm L 36 153.75 +- 5.36 153.81 +- 3.45 ---- 0.2 -2.1 -2.9 0.5 ORION FD 1cm R 20 782.32 +- 259.61 774.22 +- 235.79 ---- -10.8 2.7 -7.9 -2.4 ORION FD 1cm L 22 809.39 +- 244.38 808.49 +- 224.40 ---- -10.6 2.6 -7.7 -2.5 3C84 FD 1cm R 58 19.46 +- 1.15 18.26 +- 0.82 ---- 2.1 -0.1 0.2 -1.5 3C84 FD 1cm L 55 19.82 +- 1.72 18.51 +- 1.25 ---- 0.9 -0.7 -0.9 -2.2 4C39.25 FD 1cm R 36 12.53 +- 0.63 11.85 +- 0.45 ---- -2.8 0.9 -1.7 -1.4 4C39.25 FD 1cm L 36 12.27 +- 0.64 11.73 +- 0.56 ---- -3.3 1.0 -2.3 -1.3 VYCMA FD 1cm R 32 290.89 +- 13.85 300.01 +- 3.21 ---- -2.2 1.4 -0.7 0.0 VYCMA FD 1cm L 32 292.97 +- 13.02 303.89 +- 2.76 ---- -2.1 1.4 -0.6 0.1 3C274 FD 1cm R 11 19.41 +- 1.37 19.81 +- 0.97 19.96 6.5 4.7 8.0 0.5 3C274 FD 1cm L 9 19.61 +- 0.90 19.86 +- 0.73 19.96 8.3 4.9 10.0 -0.3 3C273 FD 1cm R 4 28.87 +- 0.46 29.88 +- 1.07 ---- -3.9 8.0 -1.0 1.9 3C273 FD 1cm L 4 28.86 +- 0.68 29.66 +- 1.42 ---- -4.4 7.4 -1.6 1.2 DR21 FD 1cm R 12 94.00 +- 141.96 100.43 +- 155.78 19.04 0.0 0.0 0.0 0.0 DR21 FD 1cm L 12 92.26 +- 138.02 99.15 +- 152.60 19.04 0.0 0.0 0.0 0.0 W49N FD 1cm R 0 0.00 +- 0.00 0.00 +- 0.00 ---- 0.0 0.0 0.0 0.0 W49N FD 1cm L 0 0.00 +- 0.00 0.00 +- 0.00 ---- 0.0 0.0 0.0 0.0 ON1 FD 1cm R 8 64.00 +- 5.28 67.53 +- 3.51 ---- 3.0 -3.7 3.1 -1.3 ON1 FD 1cm L 8 65.40 +- 4.86 69.11 +- 2.35 ---- 2.5 -3.5 2.6 -1.0 3C279 FD 1cm R 2 22.99 +- 0.38 26.00 +- 0.82 ---- -12.6 5.0 -8.1 -1.1 3C279 FD 1cm L 2 22.02 +- 0.59 25.13 +- 1.12 ---- -10.6 11.6 -6.1 5.5 WEATHER RECORD: A value of -99.0 indicates that data were missing. This may mark the cleaning cycle for the dew point meter. The digital numbers are better except in the case of the wind velocity. Records printed at 2 hour intervals or when dew point meter is cleaning (value = -99.0) |------ Analog Values ----| Digital |------------- Digital Values ---------------| Day Hr Min Temp Dew Pt. Wind Wind Pressure Rain Snow Temp Dew Pt Min T Max T Wind Gust (C) (C) (mph) (PA) (mbar) (cm) (cm) (C) (C) (C) (C) (mph) (mph) -------------------------------------------------------------------------------------------------------------------- 341 0 4 -99.0 -99.0 19.2 245. 835.9 0.00 -99.00 14.0 -8.2 -99. -99. -99.0 21.5 341 2 20 -99.0 -99.0 14.1 230. 836.5 0.00 -99.00 12.1 -7.6 -99. -99. -99.0 21.9 341 4 20 -99.0 -99.0 14.8 218. 836.1 0.00 -99.00 12.8 -7.4 -99. -99. -99.0 22.8 341 6 36 -99.0 -99.0 15.4 223. 835.5 0.00 -99.00 11.8 -7.2 -99. -99. -99.0 21.9 341 8 36 -99.0 -99.0 18.3 232. 834.6 0.00 -99.00 12.5 -10.2 -99. -99. -99.0 25.1 341 10 52 -99.0 -99.0 22.1 243. 834.5 0.00 -99.00 12.0 -10.5 -99. -99. -99.0 24.6 341 12 52 -99.0 -99.0 20.4 248. 835.1 0.00 -99.00 11.7 -10.9 -99. -99. -99.0 24.6 341 15 8 -99.0 -99.0 6.3 321. 836.4 0.00 -99.00 13.0 -9.4 -99. -99. -99.0 9.4 341 17 8 -99.0 -99.0 24.6 270. 836.0 0.00 -99.00 15.1 -8.5 -99. -99. -99.0 32.7 341 19 24 -99.0 -99.0 21.9 228. 834.9 0.00 -99.00 16.1 -6.7 -99. -99. -99.0 29.3 341 21 24 -99.0 -99.0 18.8 272. 834.7 0.00 -99.00 17.1 -4.7 -99. -99. -99.0 29.1 341 23 40 -99.0 -99.0 6.0 216. 835.2 0.00 -99.00 16.5 -6.6 -99. -99. -99.0 8.7 342 1 55 -99.0 -99.0 2.2 93. 836.6 0.00 -99.00 12.1 -4.8 -99. -99. -99.0 4.7 342 3 54 -99.0 -99.0 4.0 17. 838.1 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 6.7 342 5 54 -99.0 -99.0 6.9 248. 838.4 0.00 -99.00 14.5 -3.9 -99. -99. -99.0 15.0 342 8 10 -99.0 -99.0 7.8 318. 839.5 0.00 -99.00 12.4 -4.1 -99. -99. -99.0 16.6 342 10 10 -99.0 -99.0 10.7 271. 839.8 0.00 -99.00 12.3 -4.1 -99. -99. -99.0 15.0 342 12 26 -99.0 -99.0 21.3 272. 840.0 0.00 -99.00 11.7 -4.1 -99. -99. -99.0 24.4 342 14 26 -99.0 -99.0 17.2 291. 841.5 0.00 -99.00 11.9 -1.0 -99. -99. -99.0 34.9 342 16 42 -99.0 -99.0 11.2 321. 844.3 0.00 -99.00 14.9 0.9 -99. -99. -99.0 11.9 342 18 42 -99.0 -99.0 12.5 286. 843.8 0.00 -99.00 15.6 1.5 -99. -99. -99.0 16.6 342 20 58 -99.0 -99.0 9.4 273. 843.2 0.00 -99.00 17.2 0.9 -99. -99. -99.0 12.1 342 22 58 -99.0 -99.0 5.1 261. 843.5 0.00 -99.00 17.0 1.1 -99. -99. -99.0 8.3 343 1 12 -99.0 -99.0 2.9 34. 845.1 0.00 -99.00 11.1 0.8 -99. -99. -99.0 5.6 343 3 12 -99.0 -99.0 0.4 254. 846.1 0.00 -99.00 9.4 0.4 -99. -99. -99.0 3.1 343 5 28 -99.0 -99.0 2.2 243. 846.7 0.00 -99.00 7.4 -0.3 -99. -99. -99.0 3.1 343 7 28 -99.0 -99.0 0.2 35. 846.7 0.00 -99.00 4.2 -0.2 -99. -99. -99.0 4.7 343 8 19 -99.0 -99.0 3.8 354. 846.8 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 4.7 343 10 35 -99.0 -99.0 3.1 18. 846.5 0.00 -99.00 2.9 -0.3 -99. -99. -99.0 4.7 343 12 35 -99.0 -99.0 2.5 20. 846.4 0.00 -99.00 2.0 -0.5 -99. -99. -99.0 4.0 343 14 51 -99.0 -99.0 1.1 85. 846.8 0.00 -99.00 5.4 -0.9 -99. -99. -99.0 3.1 343 16 51 -99.0 -99.0 6.7 220. 846.8 0.00 -99.00 14.2 0.0 -99. -99. -99.0 9.4 343 19 7 -99.0 -99.0 12.1 199. 844.9 0.00 -99.00 16.3 0.0 -99. -99. -99.0 17.2 343 21 7 -99.0 -99.0 7.2 157. 843.8 0.00 -99.00 18.1 -0.1 -99. -99. -99.0 12.5 343 23 23 -99.0 -99.0 9.2 187. 843.3 0.00 -99.00 17.2 0.0 -99. -99. -99.0 12.5 344 1 38 -99.0 -99.0 0.0 85. 843.8 0.00 -99.00 12.7 -0.1 -99. -99. -99.0 2.0 344 3 54 -99.0 -99.0 3.8 173. 843.7 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 4.7 344 5 54 -99.0 -99.0 4.0 181. 843.7 0.00 -99.00 10.8 -0.4 -99. -99. -99.0 6.7 344 8 10 -99.0 -99.0 2.5 242. 843.0 0.00 -99.00 9.9 -0.7 -99. -99. -99.0 6.3 344 10 10 -99.0 -99.0 1.6 76. 842.5 0.00 -99.00 8.0 -0.7 -99. -99. -99.0 2.5 344 12 26 -99.0 -99.0 1.6 29. 842.1 0.00 -99.00 8.8 -1.1 -99. -99. -99.0 3.1 344 14 26 -99.0 -99.0 2.0 357. 842.7 0.00 -99.00 11.1 -1.2 -99. -99. -99.0 4.0 344 16 42 -99.0 -99.0 4.7 150. 843.2 0.00 -99.00 17.6 -0.6 -99. -99. -99.0 8.7 344 18 42 -99.0 -99.0 14.5 171. 841.5 0.00 -99.00 20.8 0.2 -99. -99. -99.0 16.1 344 20 58 -99.0 -99.0 15.2 222. 840.2 0.00 -99.00 22.2 -1.3 -99. -99. -99.0 18.1 344 22 58 -99.0 -99.0 7.8 210. 840.2 0.00 -99.00 22.4 -1.1 -99. -99. -99.0 11.9 345 1 12 -99.0 -99.0 4.3 191. 841.0 0.00 -99.00 17.4 0.7 -99. -99. -99.0 8.7 345 3 12 -99.0 -99.0 1.1 356. 841.0 0.00 -99.00 13.9 0.6 -99. -99. -99.0 2.0 345 5 28 -99.0 -99.0 1.6 99. 840.9 0.00 -99.00 11.7 -0.1 -99. -99. -99.0 3.1 345 7 28 -99.0 -99.0 3.6 149. 839.9 0.00 -99.00 12.4 0.5 -99. -99. -99.0 5.1 345 9 44 -99.0 -99.0 1.6 99. 839.5 0.00 -99.00 12.2 0.6 -99. -99. -99.0 6.3 345 11 44 -99.0 -99.0 2.0 23. 838.8 0.00 -99.00 10.6 0.5 -99. -99. -99.0 3.1 POINTING ANALYSIS FOR STATION: HN on Sat 7 Dec 1996 DOY:342 COMMENT WITH DATA: ! Produced by: TSM Dec 07 96 03:42 RESULTS SUMMARY: Item HN 1cm -------------------------------------------- Total data points RCP: 139 LCP: 128 Points used for pointing: RCP: 22 LCP: 23 Points on calibrators: RCP: 4 LCP: 0 Points used for gains: RCP: 22 LCP: 24 Frequency in MHz (last point): 22286. Expected beam size (arc min): 1.85 Cal Temperature (K) (input): RCP: 3.13 (Last point - scaled) LCP: 3.34 Scale factor for all temps. RCP: 1.00 LCP: 1.00 Zenith system temp. (K): RCP: 137.2 LCP: 148.5 Zenith Atmosphere Temp. (K): RCP: 2.6 * => assumed value used. LCP: 8.6 Uncorrected Gain (K/Jy): RCP: 0.044 * => assumed value used. LCP: 0.103* Opacity Corr. Gain (K/Jy): RCP: 0.045 * => assumed value used. LCP: 0.103* Efficiency (Opa. Corr.) RCP: 0.26 * => assumed value used. LCP: 0.58* Zenith SEFD (Jy): RCP: 3022. * => based on assumed gain. LCP: 1442.* ^^^^^ Expected SEFD (Jy): RCP: 875. For this station. LCP: 1019. Squint (R-L) (arc min): Az: 0.02 El: 0.12 Beam size (arc min): RCP Az: 1.63 RCP El: 2.89 LCP Az: 1.73 LCP El: 2.78 Collimation offsets: Apriori pointing offsets: Az: 3.51 (arc min) El: 2.01 Average measured offset: Az: 3.51 (arc min) El: 2.58 Postfit average offset: Az: 3.09 (arc min) El: -0.56 RMS deviation from apriori: Az: 36.1 (arc sec) El: 40.0 RMS of average: Az: 36.1 (arc sec) El: 19.6 RMS of postfit offsets: Az: 29.3 (arc sec) El: 15.8 Pt. offset for 0.95 gain (arc sec): 15.1 Collimation offset changes ^^^^^ Average - Apriori: Az: -0.1 (arc sec) El: 34.5 Postfit - Apriori: Az: -24.9 (arc sec) El: -154.2 -------------------------------------------- POINTING ANALYSIS FOR STATION: HN on Sat 7 Dec 1996 DOY:342 Page 2 USER INPUT: Data input file (INFILE): 1cmdec.tsm Gain data file (GAINFILE): /jansky/POINTING/vlba_gains.key This print file (SUMFILE): 1cmdec.summary Checker print (CHKFILE): 1cmdec.check Output data table (OUTFILE): 1cmdec.ptanal Plot file (PLOTFILE): 1cmdec.plot/vps Frequency band for main pointing equation fit (FITBAND): 1cm Beam size range for accepted data as fraction of expected beam (RBEAM): 0.60 1.70 Minimum antenna temperature (TANT): 0.50 Maximum sec(za) for gain solutions and flux densities (MAXSECZ): 10.00 Assumed ambient temperature (TEMP - use only if weather station data not there): 283. Assumed difference between weather station temperature and mean atmospheric temperature (TDIFF(ISTA)): 15.0 Parameter weights (from SOLVE): 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 0. 1. 1. 1. Parameter adjustments (SETCOEFF): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 POINTING FIT RESULTS from band: 1cm (All in arcmin except az. enc.) ITEM Screen item Old Value Wt. Change New Value 1: West Tilt EWTILT 0.10 1. -0.08 0.02 2: North Tilt NSTILT 0.03 1. 0.04 0.07 3: Azimuth Collimation AZCOLIM 3.51 1. -0.42 3.09 4: Azimuth Encoder AZ ENC -179D56'53" 1. 1.24 -179D55'38" 5: Sag ELCENC -1.42 1. 2.67 1.25 6: Elevation Collimation ELCOLIM 2.01 1. -2.57 -0.56 7: Azimuth Cos(2*Az) FLEXC -0.50 1. -0.02 -0.52 8: Azimuth Sin(2*Az) FLEXS -0.15 1. 1.74 1.59 9: Elev. Cos(2*Az) ELQUADC -0.20 1. 0.38 0.18 10: Elev. Sin(2*Az) ELQUADS -0.06 1. 0.25 0.19 11: Axis Non-perp. PERP 0.00 0. 0.00 0.00 12: Az. Encoder - Cos. AZCENC -0.18 1. 0.20 0.02 13: Az. Encoder - Sin. AZCENS 0.03 1. -1.48 -1.45 14: El. Encoder - Sin. ELCENS 0.00 1. 1.96 1.96 El. Encoder - Cos. is same as sag. EFFECT OF HIGHLY CORRELATED TERMS vs. ELEVATION. [AZCOLIM+AZENC*COS(EL)+PERP*SIN(EL)] [ELCOLIM+ELENC*COS(EL)+ELCENS*SIN(EL)] Elev. Old New Change Old New Change 0 6.63 7.46 0.83 0.59 0.69 0.10 10 6.58 7.39 0.81 0.61 1.01 0.40 20 6.44 7.19 0.75 0.68 1.28 0.61 30 6.21 6.87 0.66 0.78 1.50 0.72 40 5.90 6.44 0.54 0.92 1.66 0.74 50 5.52 5.90 0.38 1.10 1.75 0.65 60 5.07 5.28 0.21 1.30 1.76 0.46 70 4.58 4.59 0.01 1.52 1.71 0.19 80 4.05 3.85 -0.20 1.76 1.59 -0.17 90 3.51 3.09 -0.42 2.01 1.40 -0.61 Normalized correlation matrix times 100 (az and el fit together): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 100 -49 -85 73 -48 53 2 9 -76 40 0 -45 6 -50 2 -49 100 52 -48 49 -49 -5 -14 50 31 0 14 -13 47 3 -85 52 100 -88 44 -48 1 -6 66 -27 0 35 -3 46 4 73 -48 -88 100 -39 42 -22 49 -58 22 0 -15 -31 -41 5 -48 49 44 -39 100 -100 -2 -7 66 34 0 19 -6 99 6 53 -49 -48 42 -100 100 2 7 -70 -28 0 -21 6 -99 7 2 -5 1 -22 -2 2 100 -34 -2 -2 0 -10 53 -2 8 9 -14 -6 49 -7 7 -34 100 -8 -2 0 50 -75 -7 9 -76 50 66 -58 66 -70 -2 -8 100 -7 0 32 -6 68 10 40 31 -27 22 34 -28 -2 -2 -7 100 0 -23 -4 33 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 -45 14 35 -15 19 -21 -10 50 32 -23 0 100 -20 20 13 6 -13 -3 -31 -6 6 53 -75 -6 -4 0 -20 100 -6 14 -50 47 46 -41 99 -99 -2 -7 68 33 0 20 -6 100 POINTING ANALYSIS FOR STATION: HN on Sat 7 Dec 1996 DOY:342 Page 3 INPUT GAIN CURVES from GAINFILE - Only curves with coefficients other than 1,0,0... shown. SOURCES: (A negative N obs implies the flux density is based low elevation scans only) (Do not trust results if gain in either polarization had to be assumed!) Average Pointing Offsets (arcsec) Source Band N obs Flux Density (Jy) Flux Density (Jy) Assumed Flux (Jy) Prefit Postfit Not corrected Opacity corrected Baars, Perley or input RA Dec RA Dec 4C39.25 HN 1cm R 0 0.00 +- 0.00 0.00 +- 0.00 ---- 0.0 0.0 0.0 0.0 4C39.25 HN 1cm L 1 4.86 +- 0.00 5.43 +- 0.00 ---- 80.6 -14.5 32.6 -22.7 3C274 HN 1cm R 4 19.96 +- 7.34 19.96 +- 6.64 19.96 21.6 36.0 28.2 -1.5 3C274 HN 1cm L 0 0.00 +- 0.00 0.00 +- 0.00 19.96 0.0 0.0 0.0 0.0 3C84 HN 1cm R 0 0.00 +- 0.00 0.00 +- 0.00 ---- 0.0 0.0 0.0 0.0 3C84 HN 1cm L 0 0.00 +- 0.00 0.00 +- 0.00 ---- 0.0 0.0 0.0 0.0 W3OH HN 1cm R 2 141.33 +- 5.36 147.57 +- 0.99 ---- -60.0 1.3 -22.3 -9.6 W3OH HN 1cm L 8 55.28 +- 3.55 60.61 +- 7.76 ---- -60.2 -2.3 -14.6 -6.7 3C454.3 HN 1cm R 1 84.12 +- 0.00 101.46 +- 0.00 ---- -4.4 -28.9 1.8 1.6 3C454.3 HN 1cm L 1 32.93 +- 0.00 42.62 +- 0.00 ---- -2.9 -14.3 3.3 16.3 CEPA HN 1cm R 8 27.29 +- 1.47 32.84 +- 4.07 ---- -49.5 10.2 8.6 -1.2 CEPA HN 1cm L 5 11.78 +- 1.28 13.56 +- 0.77 ---- -80.3 24.6 -11.5 6.9 DR21 HN 1cm R 0 0.00 +- 0.00 0.00 +- 0.00 19.04 0.0 0.0 0.0 0.0 DR21 HN 1cm L 0 0.00 +- 0.00 0.00 +- 0.00 19.04 0.0 0.0 0.0 0.0 ON1 HN 1cm R 0 0.00 +- 0.00 0.00 +- 0.00 ---- 0.0 0.0 0.0 0.0 ON1 HN 1cm L 1 5.65 +- 0.00 9.07 +- 0.00 ---- -43.9 72.9 -72.0 28.8 ORION HN 1cm R 3 96.46 +- 10.17 96.73 +- 11.39 ---- -39.6 36.5 -1.1 -4.1 ORION HN 1cm L 6 41.09 +- 6.59 45.07 +- 7.66 ---- -39.4 38.9 -0.9 -1.7 VYCMA HN 1cm R 3 50.51 +- 5.87 52.96 +- 5.92 ---- 22.8 54.1 6.4 -1.1 VYCMA HN 1cm L 1 21.59 +- 0.00 24.67 +- 0.00 ---- 21.1 63.3 -19.5 4.3 3C273 HN 1cm R 0 0.00 +- 0.00 0.00 +- 0.00 ---- 0.0 0.0 0.0 0.0 3C273 HN 1cm L 1 70.38 +- 0.00 68.16 +- 0.00 ---- -112.7 78.0 -67.1 15.0 3C279 HN 1cm R 1 12.53 +- 0.00 12.47 +- 0.00 ---- 52.3 21.4 121.6 -56.6 3C279 HN 1cm L 0 0.00 +- 0.00 0.00 +- 0.00 ---- 0.0 0.0 0.0 0.0 3C345 HN 1cm R 0 0.00 +- 0.00 0.00 +- 0.00 ---- 0.0 0.0 0.0 0.0 3C345 HN 1cm L 0 0.00 +- 0.00 0.00 +- 0.00 ---- 0.0 0.0 0.0 0.0 WEATHER RECORD: A value of -99.0 indicates that data were missing. This may mark the cleaning cycle for the dew point meter. The digital numbers are better except in the case of the wind velocity. Records printed at 2 hour intervals or when dew point meter is cleaning (value = -99.0) |------ Analog Values ----| Digital |------------- Digital Values ---------------| Day Hr Min Temp Dew Pt. Wind Wind Pressure Rain Snow Temp Dew Pt Min T Max T Wind Gust (C) (C) (mph) (PA) (mbar) (cm) (cm) (C) (C) (C) (C) (mph) (mph) -------------------------------------------------------------------------------------------------------------------- 341 0 4 -99.0 -99.0 0.0 216. 983.9 0.00 -99.00 1.0 -3.7 -99. -99. -99.0 1.6 341 1 12 -99.0 -99.0 0.0 240. 983.3 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 1.6 341 3 12 -99.0 -99.0 0.0 106. 981.9 0.00 -99.00 0.5 -2.4 -99. -99. -99.0 1.6 341 5 28 -99.0 -99.0 0.0 19. 979.6 0.00 -99.00 0.5 -2.1 -99. -99. -99.0 3.1 341 7 28 -99.0 -99.0 4.5 19. 977.6 0.00 -99.00 1.2 -1.5 -99. -99. -99.0 9.8 341 9 44 -99.0 -99.0 2.2 96. 975.1 0.00 -99.00 0.9 -1.2 -99. -99. -99.0 6.3 341 11 44 -99.0 -99.0 5.4 68. 974.5 0.00 -99.00 0.6 -0.2 -99. -99. -99.0 10.5 341 14 0 -99.0 -99.0 2.2 69. 971.9 0.05 -99.00 0.3 -0.1 -99. -99. -99.0 10.5 341 16 0 -99.0 -99.0 3.8 40. 971.0 0.11 -99.00 0.0 -0.3 -99. -99. -99.0 8.7 341 18 16 -99.0 -99.0 6.5 43. 971.5 0.22 -99.00 -1.0 -1.3 -99. -99. -99.0 11.9 341 20 16 -99.0 -99.0 6.7 38. 972.0 0.30 -99.00 -1.7 -2.2 -99. -99. -99.0 10.3 341 22 32 -99.0 -99.0 2.7 53. 973.2 0.53 -99.00 -1.9 -2.5 -99. -99. -99.0 7.2 342 0 46 -99.0 -99.0 2.9 23. 974.7 0.03 -99.00 -1.8 -2.6 -99. -99. -99.0 5.1 342 1 21 -99.0 -99.0 1.3 15. 974.1 0.05 -99.00 -99.0 -99.0 -99. -99. -99.0 3.1 342 3 37 -99.0 -99.0 0.0 206. 974.8 0.09 -99.00 -1.9 -3.0 -99. -99. -99.0 2.5 342 5 37 -99.0 -99.0 0.0 60. 974.8 0.14 -99.00 -1.4 -2.2 -99. -99. -99.0 0.4 342 7 53 -99.0 -99.0 0.0 59. 976.8 0.20 -99.00 -1.1 -1.9 -99. -99. -99.0 0.9 342 9 53 -99.0 -99.0 0.0 134. 977.0 0.24 -99.00 -1.2 -2.1 -99. -99. -99.0 0.9 342 12 9 -99.0 -99.0 0.0 104. 977.7 0.26 -99.00 -1.4 -2.0 -99. -99. -99.0 0.9 342 14 9 -99.0 -99.0 1.3 308. 977.9 0.26 -99.00 -2.0 -3.0 -99. -99. -99.0 3.1 342 16 25 -99.0 -99.0 0.0 95. 977.2 0.26 -99.00 -1.3 -2.4 -99. -99. -99.0 0.9 342 18 25 -99.0 -99.0 0.0 41. 975.7 0.27 -99.00 -1.0 -1.9 -99. -99. -99.0 1.6 342 20 41 -99.0 -99.0 2.9 45. 974.7 0.29 -99.00 -0.8 -1.2 -99. -99. -99.0 4.3 342 22 41 -99.0 -99.0 0.9 76. 974.5 0.31 -99.00 -1.1 -1.4 -99. -99. -99.0 4.0 343 0 55 -99.0 -99.0 0.0 331. 973.1 0.00 -99.00 -1.2 -1.5 -99. -99. -99.0 4.0 343 1 12 -99.0 -99.0 0.7 334. 972.8 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 5.8 343 3 12 -99.0 -99.0 0.0 25. 969.7 0.10 -99.00 -1.1 -1.9 -99. -99. -99.0 4.0 343 5 28 -99.0 -99.0 1.3 56. 965.3 0.30 -99.00 -0.9 -1.3 -99. -99. -99.0 6.3 343 7 28 -99.0 -99.0 2.5 9. 960.8 0.46 -99.00 -0.5 -0.9 -99. -99. -99.0 10.3 343 9 44 -99.0 -99.0 2.0 252. 956.5 0.61 -99.00 0.2 -0.2 -99. -99. -99.0 11.0 343 11 44 -99.0 -99.0 2.7 234. 956.5 0.72 -99.00 0.3 -0.4 -99. -99. -99.0 7.8 343 14 0 -99.0 -99.0 6.5 306. 959.5 0.82 -99.00 0.9 -0.3 -99. -99. -99.0 14.5 343 16 0 -99.0 -99.0 6.3 223. 959.6 0.87 -99.00 2.2 -0.3 -99. -99. -99.0 20.4 343 18 16 -99.0 -99.0 6.0 227. 961.9 0.88 -99.00 2.6 -1.2 -99. -99. -99.0 17.2 343 20 16 -99.0 -99.0 0.2 284. 964.0 0.88 -99.00 2.2 -2.3 -99. -99. -99.0 11.0 343 22 32 -99.0 -99.0 1.8 238. 966.4 1.15 -99.00 0.4 -1.8 -99. -99. -99.0 6.3 344 0 46 -99.0 -99.0 0.0 191. 967.5 0.07 -99.00 -1.5 -2.2 -99. -99. -99.0 0.9 344 1 21 -99.0 -99.0 0.0 274. 967.7 0.11 -99.00 -99.0 -99.0 -99. -99. -99.0 0.0 344 3 37 -99.0 -99.0 0.0 210. 968.4 0.25 -99.00 -3.0 -3.3 -99. -99. -99.0 0.4 344 5 37 -99.0 -99.0 1.1 202. 968.6 0.36 -99.00 -4.1 -4.6 -99. -99. -99.0 1.6 344 7 53 -99.0 -99.0 0.0 211. 967.8 0.45 -99.00 -5.3 -5.9 -99. -99. -99.0 0.4 344 9 53 -99.0 -99.0 0.0 235. 968.5 0.52 -99.00 -6.5 -7.4 -99. -99. -99.0 0.9 344 12 9 -99.0 -99.0 0.0 267. 970.7 0.59 -99.00 -7.3 -8.0 -99. -99. -99.0 0.9 344 14 9 -99.0 -99.0 0.0 271. 971.9 0.60 -99.00 -3.4 -4.2 -99. -99. -99.0 0.9 344 16 25 -99.0 -99.0 0.0 288. 971.3 0.63 -99.00 2.7 -2.0 -99. -99. -99.0 8.9 344 18 25 -99.0 -99.0 1.3 270. 971.3 0.67 -99.00 3.4 -3.0 -99. -99. -99.0 7.8 344 20 41 -99.0 -99.0 6.0 276. 972.9 0.75 -99.00 2.1 -3.6 -99. -99. -99.0 8.9 344 22 41 -99.0 -99.0 3.1 232. 974.6 0.75 -99.00 -0.2 -3.5 -99. -99. -99.0 4.3 345 0 55 -99.0 -99.0 0.7 262. 975.9 0.00 -99.00 -1.6 -2.9 -99. -99. -99.0 4.7 345 1 12 -99.0 -99.0 0.0 246. 976.0 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 2.5 345 3 12 -99.0 -99.0 0.4 212. 976.9 0.00 -99.00 -2.2 -3.1 -99. -99. -99.0 2.5 345 5 28 -99.0 -99.0 0.0 190. 977.8 0.00 -99.00 -3.8 -4.1 -99. -99. -99.0 0.4 345 7 28 -99.0 -99.0 0.0 233. 978.8 0.00 -99.00 -5.1 -5.6 -99. -99. -99.0 0.9 345 9 44 -99.0 -99.0 0.0 250. 979.0 0.00 -99.00 -6.4 -7.2 -99. -99. -99.0 3.1 345 11 44 -99.0 -99.0 0.0 338. 979.9 0.00 -99.00 -4.3 -5.7 -99. -99. -99.0 2.5 POINTING ANALYSIS FOR STATION: NL on Sat 7 Dec 1996 DOY:342 COMMENT WITH DATA: ! Produced by: TSM Dec 07 96 03:42 RESULTS SUMMARY: Item NL 1cm -------------------------------------------- Total data points RCP: 318 LCP: 321 Points used for pointing: RCP: 272 LCP: 275 Points on calibrators: RCP: 28 LCP: 31 Points used for gains: RCP: 308 LCP: 312 Frequency in MHz (last point): 22286. Expected beam size (arc min): 1.85 Cal Temperature (K) (input): RCP: 10.11 (Last point - scaled) LCP: 9.29 Scale factor for all temps. RCP: 1.00 LCP: 1.00 Zenith system temp. (K): RCP: 93.4 LCP: 92.5 Zenith Atmosphere Temp. (K): RCP: 11.9 * => assumed value used. LCP: 11.3 Uncorrected Gain (K/Jy): RCP: 0.095 * => assumed value used. LCP: 0.091 Opacity Corr. Gain (K/Jy): RCP: 0.115 * => assumed value used. LCP: 0.111 Efficiency (Opa. Corr.) RCP: 0.65 * => assumed value used. LCP: 0.62 Zenith SEFD (Jy): RCP: 811. * => based on assumed gain. LCP: 831. Expected SEFD (Jy): RCP: 879. For this station. LCP: 902. Squint (R-L) (arc min): Az: 0.11 El: 0.02 Beam size (arc min): RCP Az: 1.89 RCP El: 1.92 LCP Az: 1.91 LCP El: 1.92 Collimation offsets: Apriori pointing offsets: Az: 2.93 (arc min) El: -0.52 Average measured offset: Az: 2.95 (arc min) El: -0.46 Postfit average offset: Az: 2.88 (arc min) El: -0.58 RMS deviation from apriori: Az: 7.3 (arc sec) El: 7.7 RMS of average: Az: 7.2 (arc sec) El: 6.9 RMS of postfit offsets: Az: 6.7 (arc sec) El: 6.5 Pt. offset for 0.95 gain (arc sec): 15.1 Collimation offset changes Average - Apriori: Az: 1.4 (arc sec) El: 3.3 Postfit - Apriori: Az: -3.1 (arc sec) El: -3.3 -------------------------------------------- POINTING ANALYSIS FOR STATION: NL on Sat 7 Dec 1996 DOY:342 Page 2 USER INPUT: Data input file (INFILE): 1cmdec.tsm Gain data file (GAINFILE): /jansky/POINTING/vlba_gains.key This print file (SUMFILE): 1cmdec.summary Checker print (CHKFILE): 1cmdec.check Output data table (OUTFILE): 1cmdec.ptanal Plot file (PLOTFILE): 1cmdec.plot/vps Frequency band for main pointing equation fit (FITBAND): 1cm Beam size range for accepted data as fraction of expected beam (RBEAM): 0.60 1.70 Minimum antenna temperature (TANT): 0.50 Maximum sec(za) for gain solutions and flux densities (MAXSECZ): 10.00 Assumed ambient temperature (TEMP - use only if weather station data not there): 283. Assumed difference between weather station temperature and mean atmospheric temperature (TDIFF(ISTA)): 15.0 Parameter weights (from SOLVE): 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 0. 1. 1. 1. Parameter adjustments (SETCOEFF): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 POINTING FIT RESULTS from band: 1cm (All in arcmin except az. enc.) ITEM Screen item Old Value Wt. Change New Value 1: West Tilt EWTILT 0.04 1. 0.02 0.06 2: North Tilt NSTILT 0.36 1. 0.06 0.42 3: Azimuth Collimation AZCOLIM 2.93 1. -0.05 2.88 4: Azimuth Encoder AZ ENC -180D15'42" 1. 0.10 -180D15'36" 5: Sag ELCENC -1.87 1. 0.14 -1.73 6: Elevation Collimation ELCOLIM -0.52 1. -0.06 -0.58 7: Azimuth Cos(2*Az) FLEXC 0.17 1. -0.04 0.13 8: Azimuth Sin(2*Az) FLEXS -0.23 1. -0.04 -0.27 9: Elev. Cos(2*Az) ELQUADC 0.10 1. -0.01 0.09 10: Elev. Sin(2*Az) ELQUADS -0.13 1. 0.02 -0.11 11: Axis Non-perp. PERP 0.00 0. 0.00 0.00 12: Az. Encoder - Cos. AZCENC 0.03 1. -0.03 0.00 13: Az. Encoder - Sin. AZCENS -0.20 1. 0.02 -0.18 14: El. Encoder - Sin. ELCENS 0.00 1. 0.00 0.00 El. Encoder - Cos. is same as sag. EFFECT OF HIGHLY CORRELATED TERMS vs. ELEVATION. [AZCOLIM+AZENC*COS(EL)+PERP*SIN(EL)] [ELCOLIM+ELENC*COS(EL)+ELCENS*SIN(EL)] Elev. Old New Change Old New Change 0 -12.77 -12.72 0.05 -2.39 -2.31 0.08 10 -12.53 -12.48 0.05 -2.36 -2.28 0.08 20 -11.82 -11.78 0.05 -2.28 -2.20 0.08 30 -10.67 -10.63 0.04 -2.14 -2.07 0.06 40 -9.10 -9.07 0.03 -1.95 -1.90 0.05 50 -7.16 -7.15 0.02 -1.72 -1.69 0.03 60 -4.92 -4.92 0.00 -1.45 -1.44 0.01 70 -2.44 -2.46 -0.02 -1.16 -1.17 -0.01 80 0.20 0.17 -0.03 -0.84 -0.88 -0.03 90 2.93 2.88 -0.05 -0.52 -0.58 -0.06 Normalized correlation matrix times 100 (az and el fit together): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 100 -5 -11 5 -6 9 -10 -2 -25 32 0 -35 1 -11 2 -5 100 1 -1 -32 35 -5 -4 -23 21 0 -4 -54 -40 3 -11 1 100 -91 0 0 10 -13 2 -3 0 -13 2 0 4 5 -1 -91 100 0 0 -3 38 -1 1 0 12 -6 0 5 -6 -32 0 0 100 -99 2 1 11 12 0 4 17 96 6 9 35 0 0 -99 100 -3 -1 -13 -6 0 -5 -19 -99 7 -10 -5 10 -3 2 -3 100 12 4 -4 0 15 29 3 8 -2 -4 -13 38 1 -1 12 100 1 -1 0 32 -16 2 9 -25 -23 2 -1 11 -13 4 1 100 11 0 10 13 19 10 32 21 -3 1 12 -6 -4 -1 11 100 0 -13 -12 5 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 -35 -4 -13 12 4 -5 15 32 10 -13 0 100 31 6 13 1 -54 2 -6 17 -19 29 -16 13 -12 0 31 100 21 14 -11 -40 0 0 96 -99 3 2 19 5 0 6 21 100 POINTING ANALYSIS FOR STATION: NL on Sat 7 Dec 1996 DOY:342 Page 3 INPUT GAIN CURVES from GAINFILE - Only curves with coefficients other than 1,0,0... shown. SOURCES: (A negative N obs implies the flux density is based low elevation scans only) (Do not trust results if gain in either polarization had to be assumed!) Average Pointing Offsets (arcsec) Source Band N obs Flux Density (Jy) Flux Density (Jy) Assumed Flux (Jy) Prefit Postfit Not corrected Opacity corrected Baars, Perley or input RA Dec RA Dec 3C454.3 NL 1cm R 14 9.08 +- 0.57 9.23 +- 0.72 ---- -5.7 8.3 -1.8 5.2 3C454.3 NL 1cm L 14 9.08 +- 0.60 9.13 +- 0.69 ---- -6.0 9.0 -2.1 5.8 CEPA NL 1cm R 40 142.35 +- 10.77 141.50 +- 6.55 ---- -8.8 1.8 0.1 -0.4 CEPA NL 1cm L 40 150.79 +- 9.42 147.49 +- 4.40 ---- -8.9 1.6 0.0 -0.7 ORION NL 1cm R 42 573.50 +- 89.32 547.46 +- 55.36 ---- -7.7 1.7 2.1 -1.8 ORION NL 1cm L 42 552.69 +- 91.60 530.77 +- 73.76 ---- -7.4 1.7 2.4 -1.9 4C39.25 NL 1cm R 43 11.55 +- 0.95 11.06 +- 0.90 ---- 1.7 -1.0 -0.9 0.6 4C39.25 NL 1cm L 44 11.55 +- 0.79 10.80 +- 0.63 ---- 1.6 -0.8 -1.0 0.7 3C84 NL 1cm R 50 19.01 +- 2.02 17.50 +- 1.84 ---- -0.5 0.6 2.0 0.4 3C84 NL 1cm L 50 19.22 +- 1.42 17.73 +- 1.23 ---- -0.5 1.4 2.3 1.2 W3OH NL 1cm R 54 698.05 +- 39.65 668.51 +- 16.90 ---- -2.7 -1.3 2.5 -1.0 W3OH NL 1cm L 54 691.09 +- 38.43 656.20 +- 13.52 ---- -2.9 -1.4 2.3 -1.0 VYCMA NL 1cm R 16 266.72 +- 24.71 288.16 +- 8.99 ---- -0.3 -0.3 -2.3 -0.1 VYCMA NL 1cm L 16 264.86 +- 25.22 282.61 +- 7.15 ---- -0.4 -0.4 -2.4 -0.2 3C274 NL 1cm R 18 20.26 +- 1.32 19.97 +- 0.77 19.96 4.2 -5.5 -1.4 -1.7 3C274 NL 1cm L 20 20.30 +- 1.51 20.09 +- 0.83 19.96 3.1 -3.8 -2.6 0.0 3C273 NL 1cm R 9 29.49 +- 3.19 29.70 +- 1.10 ---- 9.6 -7.6 3.3 -3.0 3C273 NL 1cm L 9 30.12 +- 5.66 29.33 +- 1.14 ---- 10.0 -7.3 3.7 -2.8 3C279 NL 1cm R 4 23.21 +- 1.41 24.47 +- 1.21 ---- 6.5 -5.4 0.1 -0.6 3C279 NL 1cm L 4 23.11 +- 1.29 24.23 +- 1.18 ---- 6.9 -4.3 0.5 0.5 ON1 NL 1cm R 8 64.23 +- 5.06 72.00 +- 5.92 ---- -6.4 1.3 -1.5 -3.3 ON1 NL 1cm L 8 65.11 +- 3.87 71.67 +- 1.49 ---- -6.6 1.8 -1.8 -2.8 DR21 NL 1cm R 10 18.30 +- 1.47 18.86 +- 1.41 19.04 -18.0 8.7 -12.1 5.5 DR21 NL 1cm L 11 18.06 +- 1.83 18.47 +- 1.43 19.04 -18.4 10.7 -12.6 7.2 WEATHER RECORD: A value of -99.0 indicates that data were missing. This may mark the cleaning cycle for the dew point meter. The digital numbers are better except in the case of the wind velocity. Records printed at 2 hour intervals or when dew point meter is cleaning (value = -99.0) |------ Analog Values ----| Digital |------------- Digital Values ---------------| Day Hr Min Temp Dew Pt. Wind Wind Pressure Rain Snow Temp Dew Pt Min T Max T Wind Gust (C) (C) (mph) (PA) (mbar) (cm) (cm) (C) (C) (C) (C) (mph) (mph) -------------------------------------------------------------------------------------------------------------------- 341 0 4 -99.0 -99.0 8.7 283. 976.7 0.00 -99.00 -0.2 -1.9 -99. -99. -99.0 9.4 341 2 20 -99.0 -99.0 0.0 280. 977.2 0.00 -99.00 -0.3 -2.2 -99. -99. -99.0 0.0 341 4 20 -99.0 -99.0 4.7 278. 976.9 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 4.7 341 6 36 -99.0 -99.0 1.3 264. 977.5 0.00 -99.00 -0.7 -2.7 -99. -99. -99.0 3.6 341 8 36 -99.0 -99.0 7.8 145. 975.8 0.00 -99.00 -0.3 -1.5 -99. -99. -99.0 10.5 341 10 52 -99.0 -99.0 3.4 132. 973.9 0.00 -99.00 0.3 -1.8 -99. -99. -99.0 13.0 341 12 52 -99.0 -99.0 1.6 141. 973.0 0.00 -99.00 0.9 -2.0 -99. -99. -99.0 11.9 341 15 8 -99.0 -99.0 2.2 130. 973.1 0.00 -99.00 2.3 -1.7 -99. -99. -99.0 10.5 341 17 8 -99.0 -99.0 4.3 175. 972.6 0.00 -99.00 3.5 -1.0 -99. -99. -99.0 8.7 341 19 24 -99.0 -99.0 6.5 236. 972.4 0.00 -99.00 5.1 -1.1 -99. -99. -99.0 10.3 341 21 24 -99.0 -99.0 8.9 275. 974.0 0.00 -99.00 3.3 -0.2 -99. -99. -99.0 13.6 341 23 40 -99.0 -99.0 4.3 227. 975.8 0.00 -99.00 1.9 -0.6 -99. -99. -99.0 11.0 342 1 55 -99.0 -99.0 4.0 273. 976.5 0.00 -99.00 1.6 -1.2 -99. -99. -99.0 10.3 342 4 11 -99.0 -99.0 3.8 242. 978.2 0.00 -99.00 1.1 -2.7 -99. -99. -99.0 6.7 342 6 11 -99.0 -99.0 4.5 280. 979.3 0.00 -99.00 0.5 -2.7 -99. -99. -99.0 11.9 342 8 27 -99.0 -99.0 2.0 254. 979.5 0.00 -99.00 -0.8 -3.9 -99. -99. -99.0 3.6 342 10 27 -99.0 -99.0 2.7 266. 979.2 0.00 -99.00 -1.9 -4.6 -99. -99. -99.0 5.8 342 12 43 -99.0 -99.0 3.6 235. 980.0 0.00 -99.00 -2.7 -5.3 -99. -99. -99.0 7.4 342 14 43 -99.0 -99.0 6.0 210. 980.6 0.00 -99.00 -1.1 -4.8 -99. -99. -99.0 7.8 342 16 59 -99.0 -99.0 7.4 259. 980.7 0.00 -99.00 4.9 -2.9 -99. -99. -99.0 10.5 342 18 59 -99.0 -99.0 9.8 264. 980.5 0.00 -99.00 6.2 -3.6 -99. -99. -99.0 13.0 342 21 15 -99.0 -99.0 9.2 265. 981.3 0.00 -99.00 5.2 -4.2 -99. -99. -99.0 16.8 342 23 15 -99.0 -99.0 3.6 244. 982.0 0.00 -99.00 2.4 -3.1 -99. -99. -99.0 16.8 343 1 29 -99.0 -99.0 9.2 193. 982.6 0.00 -99.00 0.9 -4.0 -99. -99. -99.0 14.1 343 3 29 -99.0 -99.0 6.7 268. 982.8 0.00 -99.00 0.2 -4.4 -99. -99. -99.0 18.8 343 4 20 -99.0 -99.0 8.1 277. 982.8 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 18.8 343 6 36 -99.0 -99.0 9.6 278. 983.3 0.00 -99.00 -1.7 -5.6 -99. -99. -99.0 26.6 343 8 36 -99.0 -99.0 9.6 278. 984.2 0.00 -99.00 -3.4 -7.4 -99. -99. -99.0 23.5 343 10 52 -99.0 -99.0 9.4 275. 984.8 0.00 -99.00 -4.0 -7.7 -99. -99. -99.0 19.7 343 12 52 -99.0 -99.0 15.7 280. 985.8 0.00 -99.00 -4.5 -7.8 -99. -99. -99.0 26.6 343 15 8 -99.0 -99.0 9.6 306. 987.8 0.00 -99.00 -5.2 -7.9 -99. -99. -99.0 20.8 343 17 8 -99.0 -99.0 21.3 294. 988.0 0.00 -99.00 -3.9 -6.8 -99. -99. -99.0 21.5 343 19 24 -99.0 -99.0 7.4 306. 988.5 0.00 -99.00 -2.8 -6.3 -99. -99. -99.0 20.4 343 21 24 -99.0 -99.0 8.9 267. 989.5 0.00 -99.00 -2.8 -5.8 -99. -99. -99.0 20.4 343 23 40 -99.0 -99.0 8.7 318. 990.7 0.00 -99.00 -3.3 -6.4 -99. -99. -99.0 15.2 344 1 55 -99.0 -99.0 7.6 313. 991.4 0.00 -99.00 -3.9 -6.3 -99. -99. -99.0 12.1 344 4 11 -99.0 -99.0 5.8 323. 992.2 0.00 -99.00 -4.4 -6.6 -99. -99. -99.0 12.5 344 6 11 -99.0 -99.0 3.1 275. 992.6 0.00 -99.00 -4.5 -6.5 -99. -99. -99.0 6.3 344 8 27 -99.0 -99.0 3.8 285. 992.5 0.00 -99.00 -5.2 -6.7 -99. -99. -99.0 6.3 344 10 27 -99.0 -99.0 5.1 279. 992.5 0.00 -99.00 -5.5 -6.8 -99. -99. -99.0 4.7 344 12 43 -99.0 -99.0 2.0 143. 992.0 0.00 -99.00 -5.5 -6.8 -99. -99. -99.0 6.3 344 14 43 -99.0 -99.0 1.6 193. 992.8 0.00 -99.00 -4.6 -6.2 -99. -99. -99.0 5.1 344 16 59 -99.0 -99.0 5.4 161. 991.0 0.00 -99.00 -2.3 -5.5 -99. -99. -99.0 14.1 344 18 59 -99.0 -99.0 2.9 116. 988.3 0.00 -99.00 0.2 -4.1 -99. -99. -99.0 10.3 344 21 15 -99.0 -99.0 7.4 125. 986.0 0.00 -99.00 0.5 -3.9 -99. -99. -99.0 13.4 344 23 15 -99.0 -99.0 6.7 143. 984.0 0.00 -99.00 -0.1 -2.9 -99. -99. -99.0 11.4 345 1 29 -99.0 -99.0 6.0 140. 982.2 0.00 -99.00 0.6 -2.5 -99. -99. -99.0 12.5 345 3 29 -99.0 -99.0 5.4 167. 981.6 0.00 -99.00 1.1 -2.1 -99. -99. -99.0 7.4 345 4 20 -99.0 -99.0 2.0 161. 981.0 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 9.8 345 6 36 -99.0 -99.0 2.9 154. 978.6 0.00 -99.00 0.5 -2.1 -99. -99. -99.0 7.4 345 8 36 -99.0 -99.0 2.7 136. 977.5 0.00 -99.00 0.2 -2.2 -99. -99. -99.0 4.3 345 10 52 -99.0 -99.0 1.1 131. 976.5 0.00 -99.00 0.0 -2.3 -99. -99. -99.0 2.5 POINTING ANALYSIS FOR STATION: OV on Sat 7 Dec 1996 DOY:342 COMMENT WITH DATA: ! Produced by: TSM Dec 07 96 03:42 RESULTS SUMMARY: Item OV 1cm -------------------------------------------- Total data points RCP: 279 LCP: 268 Points used for pointing: RCP: 224 LCP: 213 Points on calibrators: RCP: 17 LCP: 17 Points used for gains: RCP: 267 LCP: 256 Frequency in MHz (last point): 22286. Expected beam size (arc min): 1.85 Cal Temperature (K) (input): RCP: 2.86 (Last point - scaled) LCP: 2.78 Scale factor for all temps. RCP: 1.00 LCP: 1.00 Zenith system temp. (K): RCP: 83.1 LCP: 83.3 Zenith Atmosphere Temp. (K): RCP: 12.8 * => assumed value used. LCP: 15.3 Uncorrected Gain (K/Jy): RCP: 0.684 * => assumed value used. LCP: 0.705 Opacity Corr. Gain (K/Jy): RCP: 0.824 * => assumed value used. LCP: 0.873 Efficiency (Opa. Corr.) RCP: 4.63 * => assumed value used. LCP: 4.91 Zenith SEFD (Jy): RCP: 101. * => based on assumed gain. LCP: 95. ^^^^^ Expected SEFD (Jy): RCP: 1041. For this station. LCP: 949. Squint (R-L) (arc min): Az: 0.12 El: 0.08 Beam size (arc min): RCP Az: 1.89 RCP El: 1.98 LCP Az: 1.90 LCP El: 1.96 Collimation offsets: Apriori pointing offsets: Az: 1.06 (arc min) El: -7.61 Average measured offset: Az: 1.03 (arc min) El: -7.52 Postfit average offset: Az: 1.13 (arc min) El: -7.33 RMS deviation from apriori: Az: 8.6 (arc sec) El: 8.5 RMS of average: Az: 8.4 (arc sec) El: 6.7 RMS of postfit offsets: Az: 7.6 (arc sec) El: 5.6 Pt. offset for 0.95 gain (arc sec): 15.1 Collimation offset changes Average - Apriori: Az: -1.9 (arc sec) El: 5.3 Postfit - Apriori: Az: 4.1 (arc sec) El: 16.5 -------------------------------------------- POINTING ANALYSIS FOR STATION: OV on Sat 7 Dec 1996 DOY:342 Page 2 USER INPUT: Data input file (INFILE): 1cmdec.tsm Gain data file (GAINFILE): /jansky/POINTING/vlba_gains.key This print file (SUMFILE): 1cmdec.summary Checker print (CHKFILE): 1cmdec.check Output data table (OUTFILE): 1cmdec.ptanal Plot file (PLOTFILE): 1cmdec.plot/vps Frequency band for main pointing equation fit (FITBAND): 1cm Beam size range for accepted data as fraction of expected beam (RBEAM): 0.60 1.70 Minimum antenna temperature (TANT): 0.50 Maximum sec(za) for gain solutions and flux densities (MAXSECZ): 10.00 Assumed ambient temperature (TEMP - use only if weather station data not there): 283. Assumed difference between weather station temperature and mean atmospheric temperature (TDIFF(ISTA)): 15.0 Parameter weights (from SOLVE): 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 0. 1. 1. 1. Parameter adjustments (SETCOEFF): 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 POINTING FIT RESULTS from band: 1cm (All in arcmin except az. enc.) ITEM Screen item Old Value Wt. Change New Value 1: West Tilt EWTILT 0.17 1. 0.04 0.21 2: North Tilt NSTILT -0.08 1. 0.02 -0.06 3: Azimuth Collimation AZCOLIM 1.06 1. 0.07 1.13 4: Azimuth Encoder AZ ENC -181D44'27" 1. -0.17 -181D44'37" 5: Sag ELCENC -1.25 1. -0.23 -1.48 6: Elevation Collimation ELCOLIM -7.61 1. 0.28 -7.33 7: Azimuth Cos(2*Az) FLEXC 0.06 1. -0.02 0.04 8: Azimuth Sin(2*Az) FLEXS 0.09 1. 0.01 0.10 9: Elev. Cos(2*Az) ELQUADC 0.01 1. 0.03 0.04 10: Elev. Sin(2*Az) ELQUADS 0.03 1. 0.07 0.10 11: Axis Non-perp. PERP 0.00 0. 0.00 0.00 12: Az. Encoder - Cos. AZCENC 0.04 1. 0.01 0.05 13: Az. Encoder - Sin. AZCENS 0.02 1. 0.02 0.04 14: El. Encoder - Sin. ELCENS 0.00 1. -0.05 -0.05 El. Encoder - Cos. is same as sag. EFFECT OF HIGHLY CORRELATED TERMS vs. ELEVATION. [AZCOLIM+AZENC*COS(EL)+PERP*SIN(EL)] [ELCOLIM+ELENC*COS(EL)+ELCENS*SIN(EL)] Elev. Old New Change Old New Change 0 -103.39 -103.50 -0.11 -8.86 -8.82 0.04 10 -101.80 -101.91 -0.10 -8.84 -8.80 0.04 20 -97.09 -97.19 -0.09 -8.78 -8.74 0.04 30 -89.40 -89.48 -0.08 -8.69 -8.64 0.05 40 -78.95 -79.02 -0.06 -8.57 -8.50 0.06 50 -66.08 -66.12 -0.04 -8.41 -8.33 0.09 60 -51.17 -51.18 -0.02 -8.24 -8.12 0.11 70 -34.66 -34.66 0.01 -8.04 -7.89 0.15 80 -17.08 -17.04 0.04 -7.83 -7.65 0.18 90 1.06 1.13 0.07 -7.61 -7.39 0.22 Normalized correlation matrix times 100 (az and el fit together): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 100 -6 -59 47 4 0 -30 -7 4 84 0 -60 6 0 2 -6 100 8 -9 -21 24 8 0 -14 8 0 -4 -41 -33 3 -59 8 100 -92 -3 0 18 -13 -3 -49 0 14 -7 -1 4 47 -9 -92 100 3 -1 -25 31 2 39 0 -20 -4 2 5 4 -21 -3 3 100 -98 -2 0 6 9 0 0 8 94 6 0 24 0 -1 -98 100 1 0 -9 0 0 -2 -10 -99 7 -30 8 18 -25 -2 1 100 25 -2 -25 0 32 -14 -1 8 -7 0 -13 31 0 0 25 100 0 -5 0 5 -72 0 9 4 -14 -3 2 6 -9 -2 0 100 12 0 -1 5 11 10 84 8 -49 39 9 0 -25 -5 12 100 0 -52 0 -1 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 -60 -4 14 -20 0 -2 32 5 -1 -52 0 100 21 3 13 6 -41 -7 -4 8 -10 -14 -72 5 0 0 21 100 13 14 0 -33 -1 2 94 -99 -1 0 11 -1 0 3 13 100 POINTING ANALYSIS FOR STATION: OV on Sat 7 Dec 1996 DOY:342 Page 3 INPUT GAIN CURVES from GAINFILE - Only curves with coefficients other than 1,0,0... shown. For 1cm R gain coefficients = 1.000 -.1889E-02 0. 0. 0. 0. 0. For 1cm L gain coefficients = 1.000 -.1889E-02 0. 0. 0. 0. 0. SOURCES: (A negative N obs implies the flux density is based low elevation scans only) (Do not trust results if gain in either polarization had to be assumed!) Average Pointing Offsets (arcsec) Source Band N obs Flux Density (Jy) Flux Density (Jy) Assumed Flux (Jy) Prefit Postfit Not corrected Opacity corrected Baars, Perley or input RA Dec RA Dec ORION OV 1cm R 43 53.45 +- 10.53 48.75 +- 9.30 ---- -14.6 -4.3 -6.4 -1.4 ORION OV 1cm L 36 57.40 +- 13.63 52.83 +- 12.13 ---- -13.0 -2.8 -4.9 0.1 DR21 OV 1cm R 14 25.41 +- 18.62 25.38 +- 18.59 19.04 0.0 0.0 0.0 0.0 DR21 OV 1cm L 14 25.37 +- 18.75 25.37 +- 18.79 19.04 0.0 0.0 0.0 0.0 3C84 OV 1cm R 44 2.12 +- 0.28 1.94 +- 0.32 ---- -1.0 -4.5 1.1 -1.2 3C84 OV 1cm L 43 2.05 +- 0.18 1.85 +- 0.21 ---- -1.0 -4.7 1.1 -1.4 W3OH OV 1cm R 52 65.92 +- 4.49 60.07 +- 2.03 ---- -0.2 -5.4 0.2 0.2 W3OH OV 1cm L 52 65.33 +- 4.84 60.67 +- 1.43 ---- 0.3 -5.5 0.7 0.2 3C454.3 OV 1cm R 9 34.48 +- 2.15 31.76 +- 2.69 ---- -3.6 -3.3 -0.1 6.9 3C454.3 OV 1cm L 6 35.13 +- 0.51 32.28 +- 0.78 ---- -2.1 -3.5 -1.1 7.5 CEPA OV 1cm R 44 13.83 +- 0.72 12.87 +- 0.45 ---- -8.3 -4.3 -0.3 -0.7 CEPA OV 1cm L 44 13.42 +- 0.86 12.69 +- 0.42 ---- -7.8 -4.5 0.2 -0.8 4C39.25 OV 1cm R 28 1.29 +- 0.14 1.18 +- 0.14 ---- 8.1 -0.1 2.1 -0.8 4C39.25 OV 1cm L 28 1.28 +- 0.11 1.16 +- 0.11 ---- 8.5 0.2 2.5 -0.6 VYCMA OV 1cm R 20 24.04 +- 0.91 22.98 +- 0.56 ---- -7.5 1.0 0.1 -2.0 VYCMA OV 1cm L 20 24.78 +- 1.05 24.25 +- 0.70 ---- -7.8 1.3 -0.2 -1.7 3C274 OV 1cm R 3 2.13 +- 0.35 2.17 +- 0.46 19.96 11.7 -5.6 15.2 -6.2 3C274 OV 1cm L 3 2.16 +- 0.61 2.14 +- 0.62 19.96 12.0 -7.1 15.5 -7.7 W49N OV 1cm R 0 0.00 +- 0.00 0.00 +- 0.00 ---- 0.0 0.0 0.0 0.0 W49N OV 1cm L 0 0.00 +- 0.00 0.00 +- 0.00 ---- 0.0 0.0 0.0 0.0 ON1 OV 1cm R 10 5.60 +- 0.83 5.78 +- 0.61 ---- -6.8 -3.9 -1.6 -1.7 ON1 OV 1cm L 10 5.75 +- 0.85 6.32 +- 0.75 ---- -7.4 -3.7 -2.1 -1.8 WEATHER RECORD: A value of -99.0 indicates that data were missing. This may mark the cleaning cycle for the dew point meter. The digital numbers are better except in the case of the wind velocity. Records printed at 2 hour intervals or when dew point meter is cleaning (value = -99.0) |------ Analog Values ----| Digital |------------- Digital Values ---------------| Day Hr Min Temp Dew Pt. Wind Wind Pressure Rain Snow Temp Dew Pt Min T Max T Wind Gust (C) (C) (mph) (PA) (mbar) (cm) (cm) (C) (C) (C) (C) (mph) (mph) -------------------------------------------------------------------------------------------------------------------- 341 0 4 -99.0 -99.0 11.9 324. 872.2 0.00 -99.00 17.6 1.6 -99. -99. -99.0 14.1 341 2 20 -99.0 -99.0 16.3 281. 872.5 0.00 -99.00 17.5 -2.3 -99. -99. -99.0 23.0 341 4 20 -99.0 -99.0 7.2 278. 872.5 0.00 -99.00 16.1 -2.2 -99. -99. -99.0 15.0 341 6 36 -99.0 -99.0 14.3 108. 872.4 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 18.1 341 8 36 -99.0 -99.0 0.0 223. 873.0 0.00 -99.00 13.3 -0.4 -99. -99. -99.0 11.0 341 10 52 -99.0 -99.0 3.6 257. 872.0 0.00 -99.00 12.9 -2.1 -99. -99. -99.0 9.4 341 12 52 -99.0 -99.0 6.0 264. 871.6 0.00 -99.00 11.3 -4.2 -99. -99. -99.0 10.3 341 15 8 -99.0 -99.0 8.7 307. 872.2 0.00 -99.00 10.8 -7.0 -99. -99. -99.0 15.0 341 17 8 -99.0 -99.0 0.0 269. 874.7 0.00 -99.00 13.2 -5.6 -99. -99. -99.0 7.2 341 19 24 -99.0 -99.0 0.0 334. 875.3 0.00 -99.00 16.4 -5.1 -99. -99. -99.0 7.2 341 21 24 -99.0 -99.0 5.8 40. 875.5 0.00 -99.00 17.7 -6.5 -99. -99. -99.0 19.2 341 23 40 -99.0 -99.0 18.3 344. 875.9 0.00 -99.00 16.0 -7.7 -99. -99. -99.0 23.0 342 1 55 -99.0 -99.0 1.3 313. 877.4 0.00 -99.00 12.7 -6.2 -99. -99. -99.0 6.3 342 4 11 -99.0 -99.0 6.7 119. 878.4 0.00 -99.00 11.0 -4.2 -99. -99. -99.0 9.4 342 6 11 -99.0 -99.0 5.4 250. 880.5 0.00 -99.00 9.1 0.9 -99. -99. -99.0 7.2 342 8 10 -99.0 -99.0 4.3 287. 881.1 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 7.8 342 10 10 -99.0 -99.0 8.3 244. 882.2 0.00 -99.00 2.7 -1.4 -99. -99. -99.0 9.4 342 12 26 -99.0 -99.0 0.0 20. 882.9 0.00 -99.00 0.5 -3.0 -99. -99. -99.0 1.6 342 14 26 -99.0 -99.0 0.0 247. 884.2 0.00 -99.00 0.0 -3.8 -99. -99. -99.0 1.6 342 16 42 -99.0 -99.0 0.0 229. 885.5 0.00 -99.00 4.6 -1.8 -99. -99. -99.0 0.9 342 18 42 -99.0 -99.0 9.4 134. 885.4 0.00 -99.00 12.0 1.4 -99. -99. -99.0 13.6 342 20 58 -99.0 -99.0 4.5 127. 884.2 0.00 -99.00 14.8 1.4 -99. -99. -99.0 13.6 342 22 58 -99.0 -99.0 10.7 156. 883.8 0.00 -99.00 15.0 1.7 -99. -99. -99.0 15.0 343 1 12 -99.0 -99.0 9.8 107. 884.9 0.00 -99.00 11.7 1.0 -99. -99. -99.0 10.3 343 3 12 -99.0 -99.0 6.9 174. 885.5 0.00 -99.00 7.7 0.7 -99. -99. -99.0 8.7 343 5 28 -99.0 -99.0 0.0 124. 886.4 0.00 -99.00 6.1 0.5 -99. -99. -99.0 1.6 343 6 36 -99.0 -99.0 5.4 325. 886.8 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 6.7 343 8 36 -99.0 -99.0 5.8 340. 887.2 0.00 -99.00 -0.3 -2.2 -99. -99. -99.0 7.8 343 10 52 -99.0 -99.0 0.0 10. 886.0 0.00 -99.00 -0.4 -1.8 -99. -99. -99.0 4.7 343 12 52 -99.0 -99.0 0.0 358. 886.0 0.00 -99.00 0.9 -1.1 -99. -99. -99.0 1.6 343 15 8 -99.0 -99.0 0.0 330. 885.3 0.00 -99.00 -0.8 -2.2 -99. -99. -99.0 1.6 343 17 8 -99.0 -99.0 0.0 274. 885.5 0.00 -99.00 2.7 -0.1 -99. -99. -99.0 4.3 343 19 24 -99.0 -99.0 4.9 349. 883.6 0.00 -99.00 8.5 1.5 -99. -99. -99.0 7.8 343 21 24 -99.0 -99.0 10.7 164. 880.9 0.00 -99.00 14.5 2.0 -99. -99. -99.0 14.5 343 23 40 -99.0 -99.0 9.8 171. 879.4 0.00 -99.00 15.6 1.9 -99. -99. -99.0 16.8 344 1 55 -99.0 -99.0 6.3 108. 878.5 0.00 -99.00 12.7 1.8 -99. -99. -99.0 10.3 344 4 11 -99.0 -99.0 6.9 117. 877.5 0.00 -99.00 12.1 1.7 -99. -99. -99.0 13.4 344 6 11 -99.0 -99.0 3.4 232. 876.5 0.00 -99.00 7.3 1.2 -99. -99. -99.0 5.6 344 8 27 -99.0 -99.0 4.3 191. 874.8 0.00 -99.00 11.3 2.1 -99. -99. -99.0 11.9 344 10 27 -99.0 -99.0 3.1 3. 873.8 0.00 -99.00 8.2 1.7 -99. -99. -99.0 6.3 344 12 35 -99.0 -99.0 8.3 348. 872.5 0.00 -99.00 5.3 1.2 -99. -99. -99.0 8.9 344 13 9 -99.0 -99.0 5.8 343. 872.3 0.00 -99.00 -99.0 -99.0 -99. -99. -99.0 10.3 344 15 25 -99.0 -99.0 20.8 137. 871.8 0.00 -99.00 15.1 2.6 -99. -99. -99.0 25.9 344 17 25 -99.0 -99.0 30.4 154. 870.2 0.00 -99.00 16.3 1.1 -99. -99. -99.0 32.9 344 19 41 -99.0 -99.0 19.2 149. 870.2 0.00 -99.00 15.1 1.4 -99. -99. -99.0 29.1 344 21 41 -99.0 -99.0 18.3 168. 871.3 0.00 -99.00 12.8 4.5 -99. -99. -99.0 28.2 344 23 57 -99.0 -99.0 8.5 133. 871.1 0.00 -99.00 10.2 7.0 -99. -99. -99.0 13.4 345 2 12 -99.0 -99.0 19.2 165. 870.7 0.07 -99.00 7.7 6.9 -99. -99. -99.0 24.4 345 4 28 -99.0 -99.0 11.6 91. 870.5 0.44 -99.00 7.2 6.4 -99. -99. -99.0 17.2 345 6 28 -99.0 -99.0 7.4 145. 871.0 0.44 -99.00 7.9 6.5 -99. -99. -99.0 11.4 345 8 44 -99.0 -99.0 6.9 100. 871.1 0.44 -99.00 7.6 5.2 -99. -99. -99.0 11.4 345 10 44 -99.0 -99.0 2.5 214. 871.1 0.44 -99.00 6.5 3.4 -99. -99. -99.0 5.8 POINTING ANALYSIS FOR STATION: BR on Sat 7 Dec 1996 DOY:342 COMMENT WITH DATA: ! Produced by: TSM Dec 07 96 03:42 RESULTS SUMMARY: Item BR 1cm -------------------------------------------- Total data points RCP: 148 LCP: 127 Points used for pointing: RCP: 50 LCP: 41 Points on calibrators: RCP: 1 LCP: 0 Points used for gains: RCP: 54 LCP: 46 Frequency in MHz (last point): 22233. Expected beam size (arc min): 1.85 Cal Temperature (K) (input): RCP: 3.87 (Last point - scaled) LCP: 4.17 Scale factor for all temps. RCP: 1.00 LCP: 1.00 Zenith system temp. (K): RCP: 270.1 LCP: 300.9 Zenith Atmosphere Temp. (K): RCP: 18.0 * => assumed value used. LCP: 15.0* Uncorrected Gain (K/Jy): RCP: 0.183 * => assumed value used. LCP: 0.099* Opacity Corr. Gain (K/Jy): RCP: 0.262 * => assumed value used. LCP: 0.099* Efficiency (Opa. Corr.) RCP: 1.47 * => assumed value used. LCP: 0.56* Zenith SEFD (Jy): RCP: 1032. * => based on assumed gain. LCP: 3039.* ^^^^^ Expected SEFD (Jy): RCP: 1152. For this station. LCP: 1061. Squint (R-L) (arc min): Az: 0.14 El: 0.04 Beam size (arc min): RCP Az: 1.97 RCP El: 2.47 LCP Az: 1.94 LCP El: 2.44 Collimation offsets: Apriori pointing offsets: Az: 1.40 (arc min) El: 3.01 Average measured offset: Az: 1.01 (arc min) El: 3.34 Postfit average offset: Az: 0.99 (arc min) El: 1.27 RMS deviation from apriori: Az: 29.6 (arc sec) El: 26.2 RMS of average: Az: 18.2 (arc sec) El: 17.0 RMS of postfit offsets: Az: 14.4 (arc sec) El: 17.8 Pt. offset for 0.95 gain (arc sec): 15.1 Collimation offset changes ^^^^^ Average - Apriori: Az: -23.3 (arc sec) El: 19.9 Postfit - Apriori: Az: -24.7 (arc sec) El: -104.3 -------------------------------------------- POINTING ANALYSIS FOR STATION: BR on Sat 7 Dec 1996 DOY:342 Page 2 USER INPUT: Data input file (INFILE): 1cmdec.tsm Gain data file (GAINFILE): /jansky/POINTING/vlba_gains.key This print file (SUMFILE): 1cmdec.sum