COVER INFORMATION Station: VLBA_HN (Code Hn ) Experiment: 86 and 43 GHz Linear Polarization of Five AGN... Exp. Code: BA053d Schedule Version: 1.00 Processed by SCHED version: Release of 02 July 2002 PI: Joanne M. Attridge Address: Haystack Observatory Off Route 40 Westford, MA 01886 U.S.A. Phone: 978-692-4764 EMAIL: jma@haystack.mit.edu Fax: 781-981-0590 Phone during observation: 978-692-4764 Observing mode: 3/7mm dual polarization Notes: ba053d for source J1924-29 J1751+09 observed as poln. pos. angle calibrator. Use J1924-29 as fringe finder. Schedule for VLBA_HN (Code Hn ) Page 2 86 and 43 GHz Linear Polarization of Five AGN... 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) ---------------------------------------------------------------------------------------- --- Sat 28 Dec 2002 Day 362 --- Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 17 14 28 J1751+09 18 54 32 54.0 207.0 1.0 19.7 0 1 1 0 Stopped 17 15 43 --- 18 55 47 53.9 207.5 1.1 20.1 75 S 1 0 17 15 43 J1751+09 18 55 47 53.9 207.5 1.1 20.1 -6 1 1 0 17 15 43 17 21 12 --- 19 01 17 53.4 209.7 1.2 21.6 323 F 1 4388 ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 17 22 50 J1924-29 19 02 55 17.7 174.9 -0.4 -4.2 21 1 1 4388 Stopped 17 24 50 --- 19 04 56 17.7 175.4 -0.3 -3.9 120 S 1 4388 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 17 24 56 J1924-29 19 05 02 17.7 175.4 -0.3 -3.8 0 1 1 4388 17 24 56 17 30 25 --- 19 10 32 17.8 176.7 -0.2 -2.8 329 F 1 8776 17 30 25 J1924-29 19 10 32 17.8 176.7 -0.2 -2.8 -6 1 1 8776 17 30 25 17 35 54 --- 19 16 02 17.8 177.9 -0.1 -1.7 323 F 1 13164 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 17 36 24 J1924-29 19 16 32 17.8 178.1 -0.1 -1.6 24 1 1 13164 17 36 24 17 41 53 --- 19 22 02 17.8 179.3 0.0 -0.6 329 F 1 17552 ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 17 42 17 J1924-29 19 22 25 17.8 179.4 0.0 -0.5 17 1 2 17552 Stopped 17 44 17 --- 19 24 26 17.8 179.9 0.0 -0.1 120 S 1 17552 Schedule for VLBA_HN (Code Hn ) Page 3 86 and 43 GHz Linear Polarization of Five AGN... 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) ---------------------------------------------------------------------------------------- --- Sat 28 Dec 2002 Day 362 --- Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 17 44 23 J1924-29 19 24 32 17.8 179.9 0.0 -0.1 0 1 2 17552 17 44 23 17 49 52 --- 19 30 02 17.8 181.2 0.1 1.0 329 R 1 13164 17 49 52 J1924-29 19 30 02 17.8 181.2 0.1 1.0 -6 1 2 13164 17 49 52 17 55 21 --- 19 35 32 17.8 182.4 0.2 2.0 323 R 1 8776 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 17 55 51 J1924-29 19 36 02 17.8 182.5 0.2 2.1 24 1 2 8776 17 55 51 18 01 20 --- 19 41 32 17.7 183.8 0.3 3.2 329 R 1 4388 ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 18 01 44 J1924-29 19 41 55 17.7 183.9 0.3 3.3 17 1 2 4388 Stopped 18 03 44 --- 19 43 56 17.7 184.3 0.3 3.6 120 S 1 4388 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 18 03 50 J1924-29 19 44 02 17.7 184.4 0.3 3.7 0 1 2 4388 18 03 50 18 09 19 --- 19 49 32 17.6 185.6 0.4 4.7 329 R 1 0 18 09 19 J1924-29 19 49 32 17.6 185.6 0.4 4.7 -6 1 3 0 18 09 19 18 14 48 --- 19 55 02 17.5 186.9 0.5 5.8 323 F 1 4388 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 18 15 18 J1924-29 19 55 32 17.5 187.0 0.5 5.9 24 1 3 4388 18 15 18 18 20 47 --- 20 01 02 17.4 188.2 0.6 6.9 329 F 1 8776 Schedule for VLBA_HN (Code Hn ) Page 4 86 and 43 GHz Linear Polarization of Five AGN... 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) ---------------------------------------------------------------------------------------- --- Sat 28 Dec 2002 Day 362 --- ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 18 21 11 J1924-29 20 01 25 17.3 188.3 0.6 7.0 17 1 3 8776 Stopped 18 23 11 --- 20 03 26 17.3 188.8 0.6 7.4 120 S 1 8776 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 18 23 17 J1924-29 20 03 32 17.3 188.8 0.6 7.4 0 1 3 8776 18 23 17 18 28 46 --- 20 09 02 17.1 190.0 0.7 8.4 329 F 1 13164 18 28 46 J1924-29 20 09 02 17.1 190.0 0.7 8.4 -6 1 3 13164 18 28 46 18 34 15 --- 20 14 32 16.9 191.3 0.8 9.4 323 F 1 17552 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 18 34 45 J1924-29 20 15 02 16.9 191.4 0.8 9.5 24 1 4 17552 18 34 45 18 40 14 --- 20 20 32 16.7 192.6 0.9 10.6 329 R 1 13164 ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 18 40 37 J1924-29 20 20 55 16.7 192.7 0.9 10.6 17 1 4 13164 Stopped 18 42 37 --- 20 22 56 16.6 193.2 1.0 11.0 120 S 1 13164 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 18 42 43 J1924-29 20 23 02 16.6 193.2 1.0 11.0 0 1 4 13164 18 42 43 18 48 13 --- 20 28 32 16.4 194.4 1.1 12.1 329 R 1 8776 18 48 13 J1924-29 20 28 32 16.4 194.4 1.1 12.1 -6 1 4 8776 18 48 13 18 53 42 --- 20 34 02 16.1 195.6 1.2 13.1 323 R 1 4388 Schedule for VLBA_HN (Code Hn ) Page 5 86 and 43 GHz Linear Polarization of Five AGN... 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) ---------------------------------------------------------------------------------------- --- Sat 28 Dec 2002 Day 362 --- Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 18 54 12 J1924-29 20 34 32 16.1 195.7 1.2 13.2 24 1 4 4388 18 54 12 18 59 41 --- 20 40 02 15.8 197.0 1.3 14.2 329 R 1 0 ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 19 00 04 J1924-29 20 40 25 15.8 197.0 1.3 14.2 17 1 4 0 Stopped 19 02 04 --- 20 42 26 15.7 197.5 1.3 14.6 120 S 1 0 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 19 02 10 J1924-29 20 42 32 15.7 197.5 1.3 14.6 0 1 5 0 19 02 10 19 07 39 --- 20 48 02 15.3 198.7 1.4 15.6 329 F 1 4388 19 07 39 J1924-29 20 48 02 15.3 198.7 1.4 15.6 -6 1 5 4388 19 07 39 19 13 08 --- 20 53 32 15.0 199.9 1.5 16.6 323 F 1 8776 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 19 13 38 J1924-29 20 54 02 15.0 200.0 1.5 16.7 24 1 5 8776 19 13 38 19 19 07 --- 20 59 32 14.6 201.2 1.6 17.7 329 F 1 13164 ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 19 19 31 J1924-29 20 59 55 14.6 201.3 1.6 17.7 17 1 5 13164 Stopped 19 21 31 --- 21 01 56 14.5 201.7 1.6 18.1 120 S 1 13164 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 19 21 37 J1924-29 21 02 02 14.5 201.7 1.6 18.1 0 1 5 13164 19 21 37 19 27 06 --- 21 07 32 14.1 202.9 1.7 19.1 329 F 1 17552 Schedule for VLBA_HN (Code Hn ) Page 6 86 and 43 GHz Linear Polarization of Five AGN... 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) ---------------------------------------------------------------------------------------- --- Sat 28 Dec 2002 Day 362 --- 19 27 06 J1924-29 21 07 32 14.1 202.9 1.7 19.1 -6 1 6 17552 19 27 06 19 32 35 --- 21 13 02 13.7 204.1 1.8 20.0 323 R 1 13164 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 19 33 05 J1924-29 21 13 32 13.6 204.2 1.8 20.1 24 1 6 13164 19 33 05 19 38 34 --- 21 19 02 13.2 205.3 1.9 21.0 329 R 1 8776 ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 19 38 58 J1924-29 21 19 25 13.2 205.4 1.9 21.1 17 1 6 8776 Stopped 19 40 58 --- 21 21 26 13.0 205.8 1.9 21.4 120 S 1 8776 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 19 41 04 J1924-29 21 21 32 13.0 205.9 1.9 21.5 0 1 6 8776 19 41 04 19 46 33 --- 21 27 02 12.6 207.0 2.0 22.4 329 R 1 4388 19 46 33 J1924-29 21 27 02 12.6 207.0 2.0 22.4 -6 1 6 4388 19 46 33 19 52 02 --- 21 32 32 12.1 208.1 2.1 23.3 323 R 1 0 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 19 52 32 J1924-29 21 33 02 12.1 208.2 2.1 23.4 24 1 7 0 19 52 32 19 58 01 --- 21 38 32 11.6 209.3 2.2 24.3 329 F 1 4388 ---------- Scan added by Sched for reference pointing ---------- Next scan frequencies: 43115.99 43115.99 43215.99 43215.99 Next BBC frequencies: 715.99 715.99 815.99 815.99 19 58 25 J1924-29 21 38 55 11.5 209.4 2.2 24.3 17 1 7 4388 Stopped 20 00 25 --- 21 40 56 11.4 209.8 2.3 24.7 120 S 1 4388 Schedule for VLBA_HN (Code Hn ) Page 7 86 and 43 GHz Linear Polarization of Five AGN... 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) ---------------------------------------------------------------------------------------- --- Sat 28 Dec 2002 Day 362 --- Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 20 00 31 J1924-29 21 41 02 11.4 209.9 2.3 24.7 0 1 7 4388 20 00 31 20 06 00 --- 21 46 32 10.8 211.0 2.4 25.6 329 F 1 8776 20 06 00 J1924-29 21 46 32 10.8 211.0 2.4 25.6 -6 1 7 8776 20 06 00 20 11 29 --- 21 52 02 10.3 212.1 2.5 26.4 323 F 1 13164 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 20 11 59 J1924-29 21 52 32 10.3 212.2 2.5 26.5 24 1 7 13164 20 11 59 20 17 28 --- 21 58 02 9.7 213.2 2.6 27.4 329 F 1 17552 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 20 19 57 J1924-29 22 00 32 9.5 213.7 2.6 27.8 143 1 8 17552 20 19 57 20 25 27 --- 22 06 02 8.9 214.8 2.7 28.6 329 R 1 13164 20 25 27 J1924-29 22 06 02 8.9 214.8 2.7 28.6 -6 1 8 13164 20 25 27 20 30 56 --- 22 11 32 8.3 215.9 2.8 29.4 323 R 1 8776 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 20 31 26 J1924-29 22 12 02 8.3 216.0 2.8 29.5 24 1 8 8776 20 31 26 20 36 55 --- 22 17 32 7.7 217.0 2.9 30.3 329 R 1 4388 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 20 39 24 J1924-29 22 20 02 7.4 217.5 2.9 30.7 143 1 8 4388 20 39 24 20 44 53 --- 22 25 32 6.8 218.5 3.0 31.5 329 R 1 0 20 44 53 J1924-29 22 25 32 6.8 218.5 3.0 31.5 -6 1 9 0 20 44 53 20 50 22 --- 22 31 02 6.1 219.5 3.1 32.3 323 F 1 4388 Schedule for VLBA_HN (Code Hn ) Page 8 86 and 43 GHz Linear Polarization of Five AGN... 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) ---------------------------------------------------------------------------------------- --- Sat 28 Dec 2002 Day 362 --- Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 20 50 52 J1924-29 22 31 32 6.1 219.6 3.1 32.4 24 1 9 4388 20 50 52 20 56 21 --- 22 37 02 5.4 220.7 3.2 H 33.1 0 F 1 8776 Next scan frequencies: 86237.49 86237.49 86253.49 86253.49 Next BBC frequencies: 737.49 737.49 753.49 753.49 20 58 51 J1924-29 22 39 32 5.1 221.1 3.2 H 33.5 143 1 9 8776 20 58 51 21 04 20 --- 22 45 02 4.5 222.1 3.3 H 34.2 0 F 1 13164 21 04 20 J1924-29 22 45 02 4.5 222.1 3.3 H 34.2 -6 1 9 13164 21 04 20 21 09 49 --- 22 50 32 3.8 223.1 3.4 H 35.0 0 F 1 17552 Next scan frequencies: 43205.49 43205.49 43221.49 43221.49 Next BBC frequencies: 805.49 805.49 821.49 821.49 21 10 19 J1924-29 22 51 02 3.7 223.2 3.4 H 35.0 24 1 10 17552 21 10 19 21 15 48 --- 22 56 32 3.0 224.2 3.5 H 35.8 0 R 1 13164 21 17 18 J1751+09 22 58 02 16.3 268.0 5.1 47.9 55 1 10 13164 21 17 18 21 22 47 --- 23 03 32 15.3 269.0 5.2 47.9 329 R 1 8776 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: v7mm-256-4-2.set Matches group v7mm_c8 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 2 Station: VLBA Total bit rate: 256 Format: VLBA1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 Passes/head pos: 1 Speedup factor: 1.00 Tape speeds: Low density - 266.660 ips, High density - 160.00 ips Time per pass for 17600 ft, High density tapes is: 00:22:00 1st LO= 42400.00 42400.00 42400.00 42400.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= U U U U IF = 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: 1 Setup file default. Used pcal sets: 1 LO sum= 43205.49 43205.49 43221.49 43221.49 BBC fr= 805.49 805.49 821.49 821.49 Bandwd= 16.000 16.000 16.000 16.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S1 S3 S1 S2 S3 S4 PCALXB2= S2 S4 S2 S4 M1 M2 M3 M4 PCALFR1= 510 510 13510 13510 0 0 0 0 PCALFR2= 510 510 13510 13510 0 0 0 0 Track assignments are: track1= 2, 18, 3, 19 barrel=roll_auto Setup file: /home/filehost/cwalker/sched/setups/pt7mm.set Matches group v7mm_c8 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 3 Station: VLBA Total bit rate: 256 Format: NONE Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 Passes/head pos: 0 Speedup factor: 0.00 1st LO= 42400.00 42400.00 42400.00 42400.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= U U U U IF = 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: 2 Setup file default. Used pcal sets: 2 LO sum= 43115.99 43115.99 43215.99 43215.99 BBC fr= 715.99 715.99 815.99 815.99 Bandwd= 16.000 16.000 16.000 16.000 Frequency Set: 3 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 3 LO sum= 43122.46 43122.46 43222.46 43222.46 BBC fr= 722.46 722.46 822.46 822.46 Bandwd= 2.000 2.000 2.000 2.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 2 PCAL = 1MHZ PCALXB1= S1 S3 S1 S3 S1 S2 S3 S4 PCALXB2= S2 S4 S2 S4 M1 M2 M3 M4 PCALFR1= 10 10 13010 13010 0 0 0 0 PCALFR2= 10 10 13010 13010 0 0 0 0 Pulse cal detection set: 3 PCAL = OFF PCALXB1= S1 S2 S3 S4 OFF OFF OFF OFF PCALXB2= M1 M2 M3 M4 OFF OFF OFF OFF PCALFR1= 0 0 0 0 0 0 0 0 PCALFR2= 0 0 0 0 0 0 0 0 Track assignments are: barrel=roll_off Setup file: v3mm-256-4-2.set Matches group v3mm_a in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 1 Station: VLBA Total bit rate: 256 Format: VLBA1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 Passes/head pos: 1 Speedup factor: 1.00 Tape speeds: Low density - 266.660 ips, High density - 160.00 ips Time per pass for 17600 ft, High density tapes is: 00:22:00 1st LO= 85500.00 85500.00 85500.00 85500.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= U U U U IF = B D B D VLBA FE= omit 3mm omit 3mm VLBA Synth= 14.1 15.4 11.9 The following frequency sets based on this setup were used. Frequency Set: 4 Setup file default. Used pcal sets: 1 LO sum= 86237.49 86237.49 86253.49 86253.49 BBC fr= 737.49 737.49 753.49 753.49 Bandwd= 16.000 16.000 16.000 16.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S1 S3 S1 S2 S3 S4 PCALXB2= S2 S4 S2 S4 M1 M2 M3 M4 PCALFR1= 510 510 13510 13510 0 0 0 0 PCALFR2= 510 510 13510 13510 0 0 0 0 Track assignments are: track1= 2, 18, 3, 19 barrel=roll_auto SOURCE LIST -- 86 and 43 GHz Linear Polarization of Five AGN... 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). Source Source position (RA/Dec) (B1950) (J2000) (Date) J1733-1304 17 30 13.535192 * 17 33 02.705790 17 33 10.378108 1730-130 -13 02 45.83975 *-13 04 49.54823 -13 04 58.84019 J1733-13 /home/filehost/cwalker/sched/catalogs/sources.vlba * NRAO530 ICRF - Ext.1 Source - 1998 IERS Annual Report J1751+0939 17 49 10.387930 * 17 51 32.818573 17 51 39.059506 1749+096 09 39 42.82596 * 09 39 00.72851 09 38 54.15184 * J1751+09 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report J1924-2914 19 21 42.234131 * 19 24 51.055958 19 24 59.674288 1921-293 -29 20 26.35405 *-29 14 30.12115 -29 14 17.08755 * J1924-29 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report * P-VXSGR 18 05 02.981516 * 18 08 04.062000 18 08 12.267087 SIO-VXSGR -22 13 54.77916 *-22 13 26.10000 -22 13 27.64033 VXSGRSIO /home/filehost/cwalker/sched/catalogs/sources.pointing baudry pos, sest vel 2MHz BW 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) NRAO530 16.9 J1751+09 34.2 J1924-29 13.7 P-VXSGR 5.2 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