SUMMARY FILE FOR PROJECT: BC167H COVER INFORMATION: Experiment: Monitoring Knot HST-1 in M87 Jet Exp. Code: BC167H Start Day 354 is Thu 20 Dec 2007 MJD 54454 Schedule Version: 1.00 Processed by SCHED version: 6.05 June 2006 PI: Teddy Cheung Address: NASA GSFC Code 661 Greenbelt MD 20771, USA Phone: 301 286 5749 EMAIL: ccheung@milkyway.gsfc.nasa.gov Fax: 301 286 1682 Phone during observation: Observing mode: 9050cm 64-8-2 Notes: COVER LETTER: This is BC167H. BC167 SUMMARY: 1. Nov06 (VLBA L band for 8 hrs = BC167 A) - observed 2. Feb07 (VLBA L band for 8 hrs = BC167 B) - observed 3. May07 (VLBA L band, and P+50cm for 8 hrs each = BC167 C, D) coordinated with VLA A-config run. 4. Aug07 (VLBA L band, and P+50cm for 8 hrs each = BC167 E, F) coordinated with VLA A-config run. 5. Dec07 (VLBA L band, and P+50cm for 8 hrs each = BC167 G, H) coordinated with VLA B-config run. -------------------------------------------------------------------- Here is the official dynamic scheduling sheet: ================================================================ Preferred Dynamic Contraints. Alter [defaults] as desired. ================================================================ Equipment constraints: Stations. Below each station code, the "o" indicates an [optional] station that is to be used if it is available. Change "o" to "r" if the station is required or change "o" to "n" if the station is not to be used. SC HN NL FD LA PT KP OV BR MK o o o o o o o o o r Minimum number of stations [7]: May we swap PT for a single VLA antenna? [yes] Consult http://www.aoc.nrao.edu/~gtaylor/y1gotcha.html to decide. If you adopt the default, then both PT and VLA1 must be in the stations list in the keyin file. Bands and polarizations. Below each band code, insert "R" if the righthand polarization is to be used, "L" if the lefthand polarization is to be used, "d" if dual polarizations are to be used, or "o" if the band is in your setups but scheduling should not be constrained by its availability. 90cm 50cm 20cm 13cm 6cm 4cm 2cm 1cm 7mm 3mm d d Weather constraints: [appropriate for bands marked "L", "R", or "d" above and for at least the minimum number of stations] Date constraints: Preferred date(s), usually a series start [none]: This epoch any time in December 2007 Excluded dates plus reason [none]: Preferred interval between segments in days [none]: Special conditions (e.g., a series with different spacings in time) [See the comments at the top.]: CORRELATION REQUESTS (Defaults in parentheses): Correlator (Required if recording): SOCORRO Correlator average time (2 sec): 1.050 sec. Alternate average time (for spacecraft). 0.000 sec. Spectral channels per baseband (16): 64 Number of antennas to be correlated: 10 Polarization (ON): ON Correlator weighting function (UNIFORM): UNIFORM Distribution tape (DAT): FTP Source positions from: STANDARD Shipping address for correlator output: Correlator Notes: DERIVED INFORMATION FOR CORRELATION: Elapsed time for project: 7.61 hours. Total time in scheduled scans: 7.15 hours. Total time in recording scans: 7.15 hours. Total number of baseline hours: 352.20 (Recording scans only) Projected maximum data output rate from the correlator: 858.2 kbytes/sec if processed in one pass. Projected correlator output data set size: 9892.3 Mbytes NOTE: Above numbers assume the same correlator parameters are used for all data. NOTE: Output data set size large. Consider requesting high density tapes. STATIONS USED IN SCHEDULE: Station Code Latitude Longitude Elevation X Y Z VLBA_SC Sc 17.75658 64.58363 -15. 2607848.521 -5488069.685 1932739.540 VLBA_HN Hn 42.93361 71.98658 296. 1446375.116 -4447939.656 4322306.124 VLBA_NL Nl 41.77142 91.57414 222. -130872.254 -4762317.116 4226851.040 VLBA_FD Fd 30.63503 103.94482 1606. -1324009.127 -5332181.966 3231962.474 VLBA_LA La 35.77512 106.24560 1962. -1449752.359 -4975298.588 3709123.928 VLBA_PT Pt 34.30102 108.11919 2365. -1640953.712 -5014816.024 3575411.880 VLBA_KP Kp 31.95630 111.61242 1902. -1995678.626 -5037317.713 3357328.129 VLBA_OV Ov 37.23165 118.27705 1196. -2409150.112 -4478573.229 3838617.399 VLBA_BR Br 48.13122 119.68328 251. -2112064.976 -3705356.516 4726813.798 VLBA_MK Mk 19.80138 155.45550 3763. -5464074.960 -2495249.116 2148296.844 Plate tectonic motion adjustments for MJD 54454 Station Code Station motions (m/yr) Adjusted positions X Y Z MJD0 X Y Z VLBA_SC Sc 0.0082 0.0098 0.0100 50449 2607848.611 -5488069.577 1932739.650 VLBA_HN Hn -0.0145 -0.0009 0.0019 50449 1446374.957 -4447939.666 4322306.145 VLBA_NL Nl -0.0144 0.0013 -0.0039 50449 -130872.412 -4762317.102 4226850.998 VLBA_FD Fd -0.0116 0.0004 -0.0066 50449 -1324009.254 -5332181.962 3231962.401 VLBA_LA La -0.0132 0.0008 -0.0068 50449 -1449752.504 -4975298.580 3709123.853 VLBA_PT Pt -0.0138 -0.0003 -0.0082 50449 -1640953.863 -5014816.027 3575411.790 VLBA_KP Kp -0.0127 0.0006 -0.0081 50449 -1995678.766 -5037317.707 3357328.041 VLBA_OV Ov -0.0175 0.0068 -0.0054 50449 -2409150.304 -4478573.154 3838617.339 VLBA_BR Br -0.0136 0.0008 -0.0095 50449 -2112065.125 -3705356.507 4726813.694 VLBA_MK Mk -0.0137 0.0622 0.0303 50449 -5464075.110 -2495248.434 2148297.176 BASELINE LENGTHS (km) Sc Hn Nl Fd La Pt Kp Ov Br Mk Sc 0 2853 3645 4143 4458 4579 4839 5460 5767 8611 Hn 2853 0 1611 3105 3006 3226 3623 3885 3657 7502 Nl 3645 1611 0 1654 1432 1663 2075 2328 2300 6156 Fd 4143 3105 1654 0 608 564 744 1508 2345 5134 La 4458 3006 1432 608 0 236 652 1088 1757 4970 Pt 4579 3226 1663 564 236 0 417 973 1806 4795 Kp 4839 3623 2075 744 652 417 0 845 1913 4466 Ov 5460 3885 2328 1508 1088 973 845 0 1214 4015 Br 5767 3657 2300 2345 1757 1806 1913 1214 0 4398 Mk 8611 7502 6156 5134 4970 4795 4466 4015 4398 0 RECORDING SYSTEM INFORMATION: DISKS - Stations potentially recording on disks. Station Drive type DAR VLBA_SC MARK5A VLBA VLBA_HN MARK5A VLBA VLBA_NL MARK5A VLBA VLBA_FD MARK5A VLBA VLBA_LA MARK5A VLBA VLBA_PT MARK5A VLBA VLBA_KP MARK5A VLBA VLBA_OV MARK5A VLBA VLBA_BR MARK5A VLBA VLBA_MK MARK5A VLBA EXPERIMENT SUMMARY: Number of input scans: 55 Number of scans scheduled: 21 Number of stations: 10 Number of sources input: 2 Number of setup files used: 1 Station summaries (tape stations): Station Control Scans Scan Tape Tapes Passes Readbacks Formatter Sync Hours Hours Reconfigures Hours Station summaries (disk stations): Station Control Scans Scan Hours Record hrs Gbytes Formatter Sync Reconfigures Hours VLBA_SC VLBA 12 5.15 5.22 152. 0/ 0 0.01 VLBA_HN VLBA 18 6.48 6.58 191. 0/ 0 0.01 VLBA_NL VLBA 21 7.15 7.26 211. 0/ 0 0.02 VLBA_FD VLBA 21 7.15 7.26 211. 0/ 0 0.02 VLBA_LA VLBA 21 7.15 7.26 211. 0/ 0 0.02 VLBA_PT VLBA 21 7.15 7.26 211. 0/ 0 0.02 VLBA_KP VLBA 21 7.15 7.26 211. 0/ 0 0.02 VLBA_OV VLBA 21 7.15 7.26 211. 0/ 0 0.02 VLBA_BR VLBA 21 7.15 7.26 211. 0/ 0 0.02 VLBA_MK VLBA 18 5.65 5.75 167. 0/ 0 0.01 Notes on the station summaries: "Sync Hours" is on-source, in-scan time lost during correlation to resyncing recordings. Resyncs follow tape stoppages and formatter reconfigures. For VLBA DAR stations, total reconfigures and reconfigures during recording are shown. Reconfigures during recording can cause slow correlator sync. Any reconfigure can slow sync at JIVE. Tapes started before scan start time 195 times. See PRESTART and MINPAUSE. They may have been kept running through short scan gaps. The number can be large because each station/scan combination counts. The following setup groups are the same as group 1 below. 2:VLBA_HN 3:VLBA_NL 4:VLBA_FD 5:VLBA_LA 6:VLBA_PT 7:VLBA_KP 8:VLBA_OV 9:VLBA_BR 10:VLBA_MK Setup file: v9050cm Matches group v5090n in /users/cwalker/sched/catalogs/freq.dat Setup group: 1 Station: VLBA_SC Total bit rate: 64 Format: VLBA1:1 Bits per sample: 2 Sample rate: 4.000 Number of channels: 8 Speedup factor: 2.00 Disk used to record data. 1st LO= -500.00 -500.00 -500.00 -500.00 0.00 0.00 0.00 0.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= U U U U U U U U IF = B D B D B D B D VLBA FE= omit 90cm omit 90cm VLBA Synth= 15.4 15.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 1 Setup file default. Used pcal sets: 1 LO sum= 326.49 326.49 328.49 328.49 608.99 608.99 610.99 610.99 BBC fr= 826.49 826.49 828.49 828.49 608.99 608.99 610.99 610.99 Bandwd= 2.000 2.000 2.000 2.000 2.000 2.000 2.000 2.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 510 510 10 10 1510 1510 1010 1010 PCALFR2= 510 510 10 10 1510 1510 1010 1010 Track assignments are: track1= 2, 6, 10, 14, 18, 22, 26, 30 barrel=roll_off SUMMARY for experiment BC167H Monitoring Knot HST-1 in M87 Jet Top item is: Start elevation, flag (D=>Down, H=>Below Horizon, t=>Tape Change.) Bottom item is: Start azimuth, flag (D=>Down, H=>Below Horizon, t=>Tape Change.) TYPE top: -=> normal scan, P=>Pointing or Ta; bottom: -=>recording, N=>not recording. Day 354 is Thu 20 Dec 2007 MJD 54454 SCAN DAY START UT SOURCE TYPE STATIONS t => tape change STOP UT Sc Hn Nl Fd La Pt Kp Ov Br Mk 1 354 09:48:04 3C147 - 17 38 50 51 56 56 57 64 70 60 354 09:53:03 v9050cm - -42 -53 -58 -47 -52 -50 -46 -51 -74 7 2 354 09:54:03 3C147 - 16 37 49 50 55 55 56 63 69 60 354 09:59:02 - - -42 -53 -58 -47 -52 -50 -47 -51 -73 5 3 354 10:01:18 3C274 - 76 54 44 38 35 34 31 26 23 --- 354 10:31:13 - - 111 143 118 99 101 99 95 94 98 --- 4 354 10:32:13 3C274 - 82 57 49 45 41 40 38 32 29 --- 354 11:02:08 - - 134 156 126 104 107 104 100 99 104 --- 5 354 11:04:13 3C147 - --- 28 38 39 43 44 44 52 58 58 354 11:09:12 - - --- 314 307 -48 -52 -51 -49 -54 -68 -16 6 354 11:10:12 3C147 - --- 27 37 38 42 43 43 51 57 58 354 11:15:12 - - --- 314 308 -48 -52 -51 -49 -54 -68 -18 7 354 11:17:18 3C274 - 82 59 55 54 50 49 47 40 36 --- 354 11:47:13 - - 226 177 141 113 117 113 108 107 114 --- 8 354 11:48:13 3C274 - 76 59 58 60 55 55 53 46 40 16 354 12:18:08 - - 249 191 154 122 125 121 115 114 122 82 9 354 12:20:14 3C147 - --- 18 27 27 31 32 32 40 47 50 354 12:25:13 - - --- 322 314 -46 312 -48 -48 -52 299 -33 10 354 12:26:13 3C147 - --- 18 26 26 31 31 31 39 46 50 354 12:31:12 - - --- 323 315 -45 312 -48 -48 -52 300 -34 11 354 12:33:22 3C274 - 66 56 61 67 62 62 62 54 46 26 354 13:03:17 - - 261 211 175 140 143 137 129 126 134 86 12 354 13:04:17 3C274 - 58 53 60 71 65 66 66 59 50 34 354 13:34:12 - - 265 223 191 159 158 153 142 137 145 88 13 354 13:36:11 3C147 - --- --- 18 15 20 20 21 28 36 40 354 13:41:11 - - --- --- 322 319 317 317 317 313 307 -41 14 354 13:42:10 3C147 - --- --- 17 14 20 20 20 27 35 39 354 13:47:10 - - --- --- 323 320 318 318 317 313 308 -41 15 354 13:49:11 3C274 - 48 46 57 71 66 68 70 64 53 44 354 14:19:06 - - 269 237 211 193 185 180 170 158 161 92 16 354 14:20:05 3C274 - 40 41 54 69 65 67 70 65 54 51 354 14:50:01 - - 271 245 223 214 203 200 193 175 174 95 SUMMARY for experiment BC167H Monitoring Knot HST-1 in M87 Jet Top item is: Start elevation, flag (D=>Down, H=>Below Horizon, t=>Tape Change.) Bottom item is: Start azimuth, flag (D=>Down, H=>Below Horizon, t=>Tape Change.) TYPE top: -=> normal scan, P=>Pointing or Ta; bottom: -=>recording, N=>not recording. Day 354 is Thu 20 Dec 2007 MJD 54454 SCAN DAY START UT SOURCE TYPE STATIONS t => tape change STOP UT Sc Hn Nl Fd La Pt Kp Ov Br Mk 17 Skipping scan on 3C147 18 Skipping scan on 3C147 19 354 14:51:00 3C274 - 33 36 49 64 62 64 67 65 54 59 354 15:20:55 v9050cm - 273 252 233 229 218 217 212 193 187 99 20 354 15:21:55 3C274 - 25 31 45 59 57 59 63 62 53 66 354 15:51:50 - - 276 258 242 240 231 230 227 209 199 104 21 Skipping scan on 3C147 22 Skipping scan on 3C147 23 354 15:52:50 3C274 - --- 25 39 53 52 54 58 59 51 73 354 16:22:45 - - --- 264 249 249 240 240 239 223 211 113 24 354 16:23:45 3C274 - --- 19 34 46 46 48 52 54 48 79 354 16:53:40 - - --- 269 255 255 248 248 247 233 222 131 25 Skipping scan on 3C147 26 Skipping scan on 3C147 27 354 16:54:40 3C274 - --- --- 28 40 41 42 46 49 44 83 354 17:24:35 - - --- --- 261 260 254 254 254 242 231 175 SUMMARY for experiment BC167H Monitoring Knot HST-1 in M87 Jet Top item is: Scan end: Tape drive, direction, and head index. Disk Gbytes. Bottom item is: Headset at scan end and tape footage (thousands) at scan start. Tape parameters are only predictions for stations using automatic tape allocation. TYPE top: -=> normal scan, P=>Pointing or Ta; bottom: -=>recording, N=>not recording. Day 354 is Thu 20 Dec 2007 MJD 54454 SCAN DAY START UT SOURCE TYPE STATIONS t => tape change STOP UT Sc Hn Nl Fd La Pt Kp Ov Br Mk 1 354 09:48:04 3C147 - 3 3 3 3 3 3 3 3 3 3 354 09:53:03 v9050cm - 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 2 354 09:54:03 3C147 - 5 5 5 5 5 5 5 5 5 5 354 09:59:02 - - 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 3 354 10:01:18 3C274 - 20 20 20 20 20 20 20 20 20 --- 354 10:31:13 - - 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 --- 4 354 10:32:13 3C274 - 34 34 34 34 34 34 34 34 34 --- 354 11:02:08 - - 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 --- 5 354 11:04:13 3C147 - --- 37 37 37 37 37 37 37 37 8 354 11:09:12 - - --- 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 6 354 11:10:12 3C147 - --- 40 40 40 40 40 40 40 40 10 354 11:15:12 - - --- 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 7 354 11:17:18 3C274 - 49 54 54 54 54 54 54 54 54 --- 354 11:47:13 - - 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 --- 8 354 11:48:13 3C274 - 64 69 69 69 69 69 69 69 69 25 354 12:18:08 - - 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 9 354 12:20:14 3C147 - --- 71 71 71 71 71 71 71 71 28 354 12:25:13 - - --- 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 10 354 12:26:13 3C147 - --- 74 74 74 74 74 74 74 74 30 354 12:31:12 - - --- 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 11 354 12:33:22 3C274 - 78 89 89 89 89 89 89 89 89 45 354 13:03:17 - - 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 12 354 13:04:17 3C274 - 93 103 103 103 103 103 103 103 103 59 354 13:34:12 - - 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 13 354 13:36:11 3C147 - --- --- 106 106 106 106 106 106 106 62 354 13:41:11 - - --- --- 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 14 354 13:42:10 3C147 - --- --- 108 108 108 108 108 108 108 65 354 13:47:10 - - --- --- 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 15 354 13:49:11 3C274 - 108 118 123 123 123 123 123 123 123 79 354 14:19:06 - - 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 16 354 14:20:05 3C274 - 122 133 138 138 138 138 138 138 138 94 354 14:50:01 - - 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 SUMMARY for experiment BC167H Monitoring Knot HST-1 in M87 Jet Top item is: Scan end: Tape drive, direction, and head index. Disk Gbytes. Bottom item is: Headset at scan end and tape footage (thousands) at scan start. Tape parameters are only predictions for stations using automatic tape allocation. TYPE top: -=> normal scan, P=>Pointing or Ta; bottom: -=>recording, N=>not recording. Day 354 is Thu 20 Dec 2007 MJD 54454 SCAN DAY START UT SOURCE TYPE STATIONS t => tape change STOP UT Sc Hn Nl Fd La Pt Kp Ov Br Mk 17 Skipping scan on 3C147 18 Skipping scan on 3C147 19 354 14:51:00 3C274 - 137 147 152 152 152 152 152 152 152 108 354 15:20:55 v9050cm - 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 20 354 15:21:55 3C274 - 152 162 167 167 167 167 167 167 167 123 354 15:51:50 - - 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 21 Skipping scan on 3C147 22 Skipping scan on 3C147 23 354 15:52:50 3C274 - --- 176 182 182 182 182 182 182 182 138 354 16:22:45 - - --- 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 24 354 16:23:45 3C274 - --- 191 196 196 196 196 196 196 196 152 354 16:53:40 - - --- 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 25 Skipping scan on 3C147 26 Skipping scan on 3C147 27 354 16:54:40 3C274 - --- --- 211 211 211 211 211 211 211 167 354 17:24:35 - - --- --- 1/00 1/00 1/00 1/00 1/00 1/00 1/00 1/00 Automatic tape allocation requested for sites using VLBA control files and having 2 or more drives. SCHED cannot predict tape changes. Number of tapes or GBytes used at each autoaloc station: Includes all disk stations. Station Tapes GBytes VLBA_SC 151.5 VLBA_HN 191.1 VLBA_NL 210.9 VLBA_FD 210.9 VLBA_LA 210.9 VLBA_PT 210.9 VLBA_KP 210.9 VLBA_OV 210.9 VLBA_BR 210.9 VLBA_MK 167.0 ESTIMATED TAPE TIMES (With autoallocation): Times are approximate and assume project starts at the beginning of a tape. Times can be affected by actual tape length. Tape change may occur during scan preceeding indicated time. Tape start time. Tape end time. Station Day Time Day Time (UT) (UT) VLBA_SC 354 09:48:04 354 15:51:50 VLBA_HN 354 09:48:04 354 16:53:40 VLBA_NL 354 09:48:04 354 17:24:35 VLBA_FD 354 09:48:04 354 17:24:35 VLBA_LA 354 09:48:04 354 17:24:35 VLBA_PT 354 09:48:04 354 17:24:35 VLBA_KP 354 09:48:04 354 17:24:35 VLBA_OV 354 09:48:04 354 17:24:35 VLBA_BR 354 09:48:04 354 17:24:35 VLBA_MK 354 09:48:04 354 17:24:35 SOURCE LIST -- Monitoring Knot HST-1 in M87 Jet Catalog positions marked with *. Precession of date coordinates is based on stop time of first scan. Names used in schedule marked with *. Short names used in VLA and SNAP files marked with +. Observation date used in B1950/J2000 coordinate conversion (PRECDATE): 1979.900 No adjustments are made for rates (DRA, DDEC). Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) J0542+4951 05 38 43.517525 * 05 42 36.137902 05 43 16.047211 0.32 0538+498 49 49 42.83710 * 49 51 07.23373 49 51 27.68144 0.41 * 3C147 /users/cwalker/sched/catalogs/sources.vlba J0542+49 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 1.163 scan hours, 24.101 baseline hours above horizon. J1230+1223 12 28 17.569279 * 12 30 49.423381 12 31 13.952389 0.31 1228+126 12 40 01.74901 * 12 23 28.04383 12 20 41.59696 0.20 * 3C274 /users/cwalker/sched/catalogs/sources.vlba J1230+12 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 6.482 scan hours, 260.786 baseline hours above horizon. The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) 3C147 153.5 3C274 86.2 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg Source separations in degrees for pairs closer than 30.00 degrees. J2000 coordinates formatted for possible transfer to the correlator data base: name = '3C147' ra = 05h42m36.137902s dec = 49d51'07.23373" name = '3C274' ra = 12h30m49.423381s dec = 12d23'28.04383" Catalogs: Station: /users/cwalker/sched/catalogs/stations.dat Version: 2006Dec04-17:14:51 Location: /users/cwalker/sched/catalogs/locations.dat Version: Not known Frequency: /users/cwalker/sched/catalogs/freq.dat Version: 2006Jun08-14:55:16 Source: /users/cwalker/sched/catalogs/sources.vlba Version: Not given Code versions: Release version: 6.05 June 2006 Version of VEX standard: 1.50 Version of VEX code: 0.86 Version of plot code: 1.06 Version of ephemeris code: 1.01 Version of PGPLOT: v5.2.0