COVER INFORMATION Station: VLBA_LA (Code La ) Experiment: 3C345 -- 15, 22, 43GHz: core flux density monitoring Exp. Code: BL104U Schedule Version: 1.00 Processed by SCHED version: NRAO internal release of 4 October 2004 PI: Andrei Lobanov Address: MPIfR Auf dem Hugel 69 D-53121 Bonn, GERMANY Phone: +49 228 525 229 EMAIL: internet: alobanov@mpifr-bonn.mpg.de Fax: +49 228 525 295 Phone during observation: +49 228 525 295 Observing mode: VLBA Notes: 1. Target/fringe finder 3C345. Amplitude check J1638+5720. 2. Minimum antenna number = 7. Least critical antennae: MK, SC. 3. Weather conditions: good or fair for 22GHz. 4. Time sampling (crucial): please observe once per month. Schedule for VLBA_LA (Code La ) Page 2 3C345 -- 15, 22, 43GHz: core flux density monitoring UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sun 5 Dec 2004 Day 340 --- Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 16 43 12 3C345 14 37 30 65.0 71.2 -2.1 -89.2 0 1 1 0 16 43 12 16 47 11 --- 14 41 30 65.8 71.3 -2.0 -89.8 239 F 1 1596 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 16 47 11 3C345 14 41 30 65.8 71.3 -2.0 -89.8 -4 1 1 1596 16 47 11 16 51 11 --- 14 45 30 66.5 71.2 -2.0 -90.5 235 F 1 3191 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 16 51 11 3C345 14 45 30 66.5 71.2 -2.0 -90.5 -4 1 1 3191 16 51 11 16 55 10 --- 14 49 30 67.3 71.2 -1.9 -91.1 235 F 1 4787 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 16 57 25 J1638+5720 14 51 45 62.1 31.1 -1.8 -129.0 102 1 1 4787 16 57 25 17 01 24 =1637+574 14 55 45 62.5 30.4 -1.7 -130.5 239 F 1 6383 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 17 01 24 J1638+5720 14 55 45 62.5 30.4 -1.7 -130.5 -4 1 1 6383 17 01 24 17 05 23 =1637+574 14 59 45 62.9 29.6 -1.6 -132.1 235 F 1 7978 Schedule for VLBA_LA (Code La ) Page 3 3C345 -- 15, 22, 43GHz: core flux density monitoring UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sun 5 Dec 2004 Day 340 --- Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 17 05 23 J1638+5720 14 59 45 62.9 29.6 -1.6 -132.1 -4 1 1 7978 17 05 23 17 09 52 =1637+574 15 04 15 63.3 28.7 -1.6 -133.8 265 F 1 9773 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 17 12 07 3C345 15 06 30 70.6 70.8 -1.6 -94.3 101 1 1 9773 17 12 07 17 19 06 --- 15 13 30 71.9 70.4 -1.5 -95.7 419 F 1 12566 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 17 19 06 3C345 15 13 30 71.9 70.4 -1.5 -95.7 -4 1 1 12566 17 19 06 17 26 05 --- 15 20 30 73.2 69.9 -1.4 -97.3 415 F 1 15358 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 17 26 05 3C345 15 20 30 73.2 69.9 -1.4 -97.3 -4 1 2 15358 17 26 05 17 33 04 --- 15 27 30 74.6 69.2 -1.3 -99.1 415 R 1 17050 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 17 35 18 3C345 15 29 45 75.0 69.0 -1.2 -99.7 128 1 2 17050 17 35 18 17 42 17 --- 15 36 45 76.3 67.9 -1.1 -101.8 419 R 1 14257 Schedule for VLBA_LA (Code La ) Page 4 3C345 -- 15, 22, 43GHz: core flux density monitoring UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sun 5 Dec 2004 Day 340 --- Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 17 42 17 3C345 15 36 45 76.3 67.9 -1.1 -101.8 -4 1 2 14257 17 42 17 17 49 16 --- 15 43 45 77.6 66.6 -1.0 -104.3 415 R 1 11465 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 17 49 16 3C345 15 43 45 77.6 66.6 -1.0 -104.3 -4 1 2 11465 17 49 16 17 56 15 --- 15 50 45 78.9 64.8 -0.9 -107.1 415 R 1 8673 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 17 58 30 3C345 15 53 00 79.3 64.1 -0.8 -108.2 128 1 2 8673 17 58 30 18 05 28 --- 16 00 00 80.6 61.5 -0.7 -111.9 419 R 1 5880 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 18 05 28 3C345 16 00 00 80.6 61.5 -0.7 -111.9 -4 1 2 5880 18 05 28 18 12 27 --- 16 07 00 81.8 57.9 -0.6 -116.6 415 R 1 3088 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 18 12 27 3C345 16 07 00 81.8 57.9 -0.6 -116.6 -4 1 2 3088 18 12 27 18 19 26 --- 16 14 00 83.0 52.8 -0.5 -122.7 415 R 1 296 Schedule for VLBA_LA (Code La ) Page 5 3C345 -- 15, 22, 43GHz: core flux density monitoring UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sun 5 Dec 2004 Day 340 --- Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 18 21 41 3C345 16 16 15 83.3 50.8 -0.4 -125.1 127 1 3 296 18 21 41 18 28 40 --- 16 23 15 84.4 42.8 -0.3 -134.2 419 F 1 3088 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 18 28 40 3C345 16 23 15 84.4 42.8 -0.3 -134.2 -4 1 3 3088 18 28 40 18 35 38 --- 16 30 15 85.2 31.3 -0.2 -146.7 415 F 1 5880 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 18 35 38 3C345 16 30 15 85.2 31.3 -0.2 -146.7 -4 1 3 5880 18 35 38 18 42 37 --- 16 37 15 85.8 15.6 -0.1 -163.5 415 F 1 8673 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 18 44 52 J1638+5720 16 39 30 68.4 -0.4 0.0 179.3 94 1 3 8673 18 44 52 18 51 51 =1637+574 16 46 30 68.4 -3.0 0.1 175.5 419 F 1 11465 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 18 51 51 J1638+5720 16 46 30 68.4 -3.0 0.1 175.5 -4 1 3 11465 18 51 51 18 58 50 =1637+574 16 53 30 68.3 -5.6 0.3 171.6 415 F 1 14257 Schedule for VLBA_LA (Code La ) Page 6 3C345 -- 15, 22, 43GHz: core flux density monitoring UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sun 5 Dec 2004 Day 340 --- Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 18 58 50 J1638+5720 16 53 30 68.3 -5.6 0.3 171.6 -4 1 3 14257 18 58 50 19 05 48 =1637+574 17 00 30 68.1 -8.1 0.4 167.8 415 F 1 17050 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 19 08 03 3C345 17 02 45 84.4 -42.5 0.3 134.5 96 1 4 17050 19 08 03 19 15 02 --- 17 09 45 83.4 -50.6 0.4 125.3 419 R 1 15358 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 19 15 02 3C345 17 09 45 83.4 -50.6 0.4 125.3 -4 1 4 15358 19 15 02 19 22 01 --- 17 16 45 82.2 -56.3 0.6 118.6 415 R 1 12566 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 19 22 01 3C345 17 16 45 82.2 -56.3 0.6 118.6 -4 1 4 12566 19 22 01 19 29 00 --- 17 23 45 81.0 -60.3 0.7 113.4 415 R 1 9773 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 19 29 00 3C345 17 23 45 81.0 -60.3 0.7 113.4 -4 1 4 9773 19 29 00 19 35 58 --- 17 30 45 79.8 -63.3 0.8 109.4 415 R 1 6981 Schedule for VLBA_LA (Code La ) Page 7 3C345 -- 15, 22, 43GHz: core flux density monitoring UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sun 5 Dec 2004 Day 340 --- Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 19 35 58 3C345 17 30 45 79.8 -63.3 0.8 109.4 -4 1 4 6981 19 35 58 19 42 57 --- 17 37 45 78.5 -65.4 0.9 106.2 415 R 1 4189 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 19 42 57 3C345 17 37 45 78.5 -65.4 0.9 106.2 -4 1 4 4189 19 42 57 19 49 56 --- 17 44 45 77.2 -67.1 1.0 103.4 415 R 1 1396 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 19 49 56 3C345 17 44 45 77.2 -67.1 1.0 103.4 -4 1 5 1396 19 49 56 19 56 55 --- 17 51 45 75.9 -68.3 1.1 101.1 415 F 1 1396 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 19 56 55 3C345 17 51 45 75.9 -68.3 1.1 101.1 -4 1 5 1396 19 56 55 20 03 54 --- 17 58 45 74.6 -69.2 1.3 99.1 415 F 1 4189 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 20 03 54 3C345 17 58 45 74.6 -69.2 1.3 99.1 -4 1 5 4189 20 03 54 20 10 53 --- 18 05 45 73.2 -69.9 1.4 97.3 415 F 1 6981 Schedule for VLBA_LA (Code La ) Page 8 3C345 -- 15, 22, 43GHz: core flux density monitoring UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sun 5 Dec 2004 Day 340 --- Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 20 10 53 3C345 18 05 45 73.2 -69.9 1.4 97.3 -4 1 5 6981 20 10 53 20 15 52 --- 18 10 45 72.3 -70.3 1.5 96.2 295 F 1 8975 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 20 15 52 3C345 18 10 45 72.3 -70.3 1.5 96.2 -4 1 5 8975 20 15 52 20 20 51 --- 18 15 45 71.3 -70.6 1.5 95.1 295 F 1 10970 Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 20 20 51 3C345 18 15 45 71.3 -70.6 1.5 95.1 -4 1 5 10970 20 20 51 20 25 50 --- 18 20 45 70.4 -70.8 1.6 94.1 295 F 1 12964 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 20 25 50 3C345 18 20 45 70.4 -70.8 1.6 94.1 -4 1 5 12964 20 25 50 20 30 49 --- 18 25 45 69.4 -71.0 1.7 93.1 295 F 1 14959 Next scan frequencies: 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 Next BBC frequencies: 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 20 30 49 3C345 18 25 45 69.4 -71.0 1.7 93.1 -4 1 5 14959 20 30 49 20 35 49 --- 18 30 45 68.4 -71.1 1.8 92.2 295 F 1 16954 Schedule for VLBA_LA (Code La ) Page 9 3C345 -- 15, 22, 43GHz: core flux density monitoring UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sun 5 Dec 2004 Day 340 --- Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 20 35 49 3C345 18 30 45 68.4 -71.1 1.8 92.2 -4 1 6 16954 20 35 49 20 40 48 --- 18 35 45 67.5 -71.2 1.9 91.3 295 R 1 16252 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: /home/filehost/cwalker/sched/setups/v2cm-128-8-1.set Matches group v2cm_d3 in /home/filehost/cwalker/sched/catalogs/freq.dat Fourth 2cm filter Setup group: 1 Station: VLBA Total bit rate: 128 Format: VLBA1:4 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 1 Speedup factor: 2.00 Tape speeds: Low density - 133.330 ips, High density - 80.00 ips Time per pass for 17600 ft, High density tapes is: 00:44:00 1st LO= 14600.00 14600.00 14600.00 14600.00 14600.00 14600.00 14600.00 14600.00 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 2cm omit 2cm VLBA Synth= 14.6 10.9 10.9 The following frequency sets based on this setup were used. Frequency Set: 1 Setup file default. Used pcal sets: 1 LO sum= 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 BBC fr= 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 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= 510 510 510 510 6510 6510 6510 6510 PCALFR2= 510 510 510 510 6510 6510 6510 6510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_auto Setup file: /home/filehost/cwalker/sched/setups/v1cm-128-8-1.set Matches group v1cm_b3 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 2 Station: VLBA Total bit rate: 128 Format: VLBA1:4 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 1 Speedup factor: 2.00 Tape speeds: Low density - 133.330 ips, High density - 80.00 ips Time per pass for 17600 ft, High density tapes is: 00:44:00 1st LO= 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 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 1cm omit 1cm VLBA Synth= 9.1 15.4 12.4 The following frequency sets based on this setup were used. Frequency Set: 2 Setup file default. Used pcal sets: 1 LO sum= 22217.49 22217.49 22225.49 22225.49 22233.49 22233.49 22241.49 22241.49 BBC fr= 717.49 717.49 725.49 725.49 733.49 733.49 741.49 741.49 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 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= 510 510 510 510 6510 6510 6510 6510 PCALFR2= 510 510 510 510 6510 6510 6510 6510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_auto Setup file: /home/filehost/cwalker/sched/setups/v7mm-128-8-1.set Matches group v7mm_c8 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 3 Station: VLBA Total bit rate: 128 Format: VLBA1:4 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 1 Speedup factor: 2.00 Tape speeds: Low density - 133.330 ips, High density - 80.00 ips Time per pass for 17600 ft, High density tapes is: 00:44:00 1st LO= 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 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 = A C A C A C A C VLBA FE= 7mm omit 7mm omit VLBA Synth= 15.4 7.6 11.6 The following frequency sets based on this setup were used. Frequency Set: 3 Setup file default. Used pcal sets: 1 LO sum= 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 BBC fr= 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 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= 510 510 510 510 6510 6510 6510 6510 PCALFR2= 510 510 510 510 6510 6510 6510 6510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_auto SOURCE LIST -- 3C345 -- 15, 22, 43GHz: core flux density monitoring 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) (B1950) (J2000) (Date) * J1638+5720 16 37 17.425178 * 16 38 13.456293 16 38 16.515995 1637+574 57 26 15.76147 * 57 20 23.97918 57 19 43.07181 J1638+57 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report 0.557 scan hours, 24.856 baseline hours above horizon. J1642+3948 16 41 17.606214 * 16 42 58.809952 16 43 06.765883 1641+399 39 54 10.81489 * 39 48 36.99395 39 47 59.12919 * 3C345 /home/filehost/cwalker/sched/catalogs/sources.vlba J1642+39 ICRF - Ext.1 Source - 1998 IERS Annual Report 3.141 scan hours, 140.163 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) J1638+5720 79.8 3C345 62.3 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