COVER INFORMATION Station: VLBA_NL (Code Nl ) Experiment: VLBA Monitoring Exp. Code: MT351 Schedule Version: 3.10 Processed by SCHED version: Release of 18 Sept. 2003 PI: Lorant Sjouwerman Address: NRAO-AOC P.O.Box O Socorro NM 87801, U.S.A. Phone: +1-505-838-4507 (home) EMAIL: lsjouwer@nrao.edu, analysts@nrao.edu Fax: Phone during observation: +1-505-835-7332 (work) Observing mode: VLBA 128MHz 8bbc 1bit R+L Notes: VLBA Monitoring test in dynamic scheduling and runs for 90 minutes (1.5 hours) total. Note: MAKE SURE ONE SOURCE IS SELECTED COVER LETTER: Please schedule ONE source depending on between approximately -3h to +3h of LST in Pie Town; a source can be selected by deleting the -one and only- ONE explanation mark in front of it. Schedule for VLBA_NL (Code Nl ) Page 2 VLBA 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) ---------------------------------------------------------------------------------------- --- Wed 17 Dec 2003 Day 351 --- Next scan frequencies: 1400.49 1400.49 1408.49 1408.49 1416.49 1416.49 1424.49 1424.49 Next BBC frequencies: 999.51 999.51 991.51 991.51 983.51 983.51 975.51 975.51 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 10 27 54 0923+392 10 04 11 82.5 251.6 0.6 65.7 0 1 1 0 10 27 54 10 34 23 --- 10 10 41 81.3 255.2 0.7 68.1 389 F 1 5186 Next scan frequencies: 1642.49 1642.49 1650.49 1650.49 1658.49 1658.49 1666.49 1666.49 Next BBC frequencies: 757.51 757.51 749.51 749.51 741.51 741.51 733.51 733.51 10 36 23 0923+392 10 12 41 80.9 256.1 0.8 68.7 113 1 1 5186 10 36 23 10 42 52 --- 10 19 11 79.8 258.7 0.9 70.3 389 F 1 10372 Next scan frequencies: 2279.49 2279.49 2287.49 2287.49 2295.49 2295.49 2303.49 2303.49 Next BBC frequencies: 820.51 820.51 812.51 812.51 804.51 804.51 796.51 796.51 10 43 52 0923+392 10 20 11 79.6 259.1 0.9 70.5 54 1 1 10372 10 43 52 10 50 20 --- 10 26 41 78.4 261.2 1.0 71.6 389 F 1 15557 Next scan frequencies: 4974.49 4974.49 4982.49 4982.49 4990.49 4990.49 4998.49 4998.49 Next BBC frequencies: 874.49 874.49 882.49 882.49 890.49 890.49 898.49 898.49 10 52 20 0923+392 10 28 41 78.0 261.8 1.0 71.8 113 1 2 15557 10 52 20 10 58 49 --- 10 35 11 76.8 263.6 1.1 72.5 389 R 1 14457 Next scan frequencies: 8399.49 8399.49 8407.49 8407.49 8415.49 8415.49 8423.49 8423.49 Next BBC frequencies: 799.49 799.49 807.49 807.49 815.49 815.49 823.49 823.49 10 59 49 0923+392 10 36 11 76.6 263.8 1.1 72.6 54 1 2 14457 10 59 49 11 06 18 --- 10 42 41 75.4 265.4 1.3 73.1 389 R 1 9271 Schedule for VLBA_NL (Code Nl ) Page 3 VLBA 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) ---------------------------------------------------------------------------------------- --- Wed 17 Dec 2003 Day 351 --- Next scan frequencies: 15269.49 15269.49 15277.49 15277.49 15285.49 15285.49 15293.49 15293.49 Next BBC frequencies: 669.49 669.49 677.49 677.49 685.49 685.49 693.49 693.49 11 08 17 0923+392 10 44 41 75.0 265.8 1.3 73.2 113 1 2 9271 11 08 17 11 14 46 --- 10 51 11 73.8 267.2 1.4 73.5 389 R 1 4085 Next scan frequencies: 22219.49 22219.49 22227.49 22227.49 22235.49 22235.49 22243.49 22243.49 Next BBC frequencies: 719.49 719.49 727.49 727.49 735.49 735.49 743.49 743.49 11 15 46 0923+392 10 52 11 73.7 267.4 1.4 73.5 54 1 1 4085 11 15 46 11 22 15 --- 10 58 41 72.4 268.6 1.5 73.7 389 F 2 1101 Next scan frequencies: 43119.49 43119.49 43127.49 43127.49 43135.49 43135.49 43143.49 43143.49 Next BBC frequencies: 719.49 719.49 727.49 727.49 735.49 735.49 743.49 743.49 11 24 15 0923+392 11 00 41 72.1 269.0 1.6 73.7 113 1 1 1101 11 24 15 11 30 44 --- 11 07 11 70.9 270.1 1.7 73.7 389 F 2 6286 Next scan frequencies: 4974.49 4974.49 4990.49 4990.49 Next BBC frequencies: 874.49 874.49 890.49 890.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 11 32 43 0923+392 11 09 11 70.5 270.4 1.7 73.7 113 1 1 6286 11 32 43 11 39 12 --- 11 15 41 69.3 271.4 1.8 73.7 389 F 2 11472 Next scan frequencies: 4982.49 4982.49 4986.49 4986.49 4990.49 4990.49 4994.49 4994.49 Next BBC frequencies: 882.49 882.49 886.49 886.49 890.49 890.49 894.49 894.49 Next scan bandwidths: 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 11 40 12 0923+392 11 16 41 69.1 271.6 1.8 73.7 54 1 1 11472 11 40 12 11 46 41 --- 11 23 11 67.9 272.6 1.9 73.5 389 F 2 16658 Schedule for VLBA_NL (Code Nl ) Page 4 VLBA 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) ---------------------------------------------------------------------------------------- --- Wed 17 Dec 2003 Day 351 --- Next scan frequencies: 315.99 315.99 319.99 319.99 323.99 323.99 608.99 608.99 Next BBC frequencies: 815.99 815.99 819.99 819.99 823.99 823.99 608.99 608.99 11 49 41 0923+392 11 26 11 67.3 273.0 2.0 73.5 173 1 2 16658 11 49 41 11 57 39 --- 11 34 11 65.8 274.1 2.1 73.2 479 R 2 12159 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: band.21cm Matches group v20cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat FD filtered above 1760. SC filtered above 1740. Setup group: 1 Station: VLBA Total bit rate: 128 Format: VLBA1:2 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 2 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= 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 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= L L L L L L L L IF = A C A C A C A C VLBA FE= 20cm omit 20cm omit VLBA Synth= 15.4 2.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 1 Setup file default. Used pcal sets: 1 LO sum= 1400.49 1400.49 1408.49 1408.49 1416.49 1416.49 1424.49 1424.49 BBC fr= 999.51 999.51 991.51 991.51 983.51 983.51 975.51 975.51 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, 6, 10, 14, 18, 22, 26, 30 track2= 3, 7, 11, 15, 19, 23, 27, 31 barrel=roll_8 Setup file: band.18cm Matches group v20cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat FD filtered above 1760. SC filtered above 1740. Setup group: 2 Station: VLBA Total bit rate: 128 Format: VLBA1:2 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 2 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= 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 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= L L L L L L L L IF = A C A C A C A C VLBA FE= 20cm omit 20cm omit VLBA Synth= 15.4 2.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 2 Setup file default. Used pcal sets: 1 LO sum= 1642.49 1642.49 1650.49 1650.49 1658.49 1658.49 1666.49 1666.49 BBC fr= 757.51 757.51 749.51 749.51 741.51 741.51 733.51 733.51 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, 6, 10, 14, 18, 22, 26, 30 track2= 3, 7, 11, 15, 19, 23, 27, 31 barrel=roll_off Setup file: band.13cm Matches group v13cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat LA,NL only 2200-2400 Setup group: 3 Station: VLBA Total bit rate: 128 Format: VLBA1:2 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 2 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= 3100.00 3100.00 3100.00 3100.00 3100.00 3100.00 3100.00 3100.00 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= L L L L L L L L IF = A C A C A C A C VLBA FE= 13cm omit 13cm omit VLBA Synth= 15.4 3.1 15.4 The following frequency sets based on this setup were used. Frequency Set: 3 Setup file default. Used pcal sets: 1 LO sum= 2279.49 2279.49 2287.49 2287.49 2295.49 2295.49 2303.49 2303.49 BBC fr= 820.51 820.51 812.51 812.51 804.51 804.51 796.51 796.51 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, 6, 10, 14, 18, 22, 26, 30 track2= 3, 7, 11, 15, 19, 23, 27, 31 barrel=roll_8 Setup file: band.6cm Matches group v6cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 4 Station: VLBA Total bit rate: 128 Format: VLBA1:2 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 2 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= 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 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= 6cm omit 6cm omit VLBA Synth= 15.4 4.1 15.4 The following frequency sets based on this setup were used. Frequency Set: 4 Setup file default. Used pcal sets: 1 LO sum= 4974.49 4974.49 4982.49 4982.49 4990.49 4990.49 4998.49 4998.49 BBC fr= 874.49 874.49 882.49 882.49 890.49 890.49 898.49 898.49 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, 6, 10, 14, 18, 22, 26, 30 track2= 3, 7, 11, 15, 19, 23, 27, 31 barrel=roll_16 Setup file: band.4cm Matches group v4cm_3 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 5 Station: VLBA Total bit rate: 128 Format: VLBA1:2 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 2 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= 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 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 4cm omit 4cm VLBA Synth= 7.6 15.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 5 Setup file default. Used pcal sets: 1 LO sum= 8399.49 8399.49 8407.49 8407.49 8415.49 8415.49 8423.49 8423.49 BBC fr= 799.49 799.49 807.49 807.49 815.49 815.49 823.49 823.49 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, 6, 10, 14, 18, 22, 26, 30 track2= 3, 7, 11, 15, 19, 23, 27, 31 barrel=roll_off Setup file: band.2cm Matches group v2cm_d3 in /home/filehost/cwalker/sched/catalogs/freq.dat Fourth 2cm filter Setup group: 6 Station: VLBA Total bit rate: 128 Format: VLBA1:2 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 2 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= 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: 6 Setup file default. Used pcal sets: 1 LO sum= 15269.49 15269.49 15277.49 15277.49 15285.49 15285.49 15293.49 15293.49 BBC fr= 669.49 669.49 677.49 677.49 685.49 685.49 693.49 693.49 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, 6, 10, 14, 18, 22, 26, 30 track2= 3, 7, 11, 15, 19, 23, 27, 31 barrel=roll_auto Setup file: band.1cm Matches group v1cm_b3 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 7 Station: VLBA Total bit rate: 128 Format: VLBA1:2 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 2 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= 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: 7 Setup file default. Used pcal sets: 1 LO sum= 22219.49 22219.49 22227.49 22227.49 22235.49 22235.49 22243.49 22243.49 BBC fr= 719.49 719.49 727.49 727.49 735.49 735.49 743.49 743.49 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, 6, 10, 14, 18, 22, 26, 30 track2= 3, 7, 11, 15, 19, 23, 27, 31 barrel=roll_16 Setup file: band.7mm Matches group v7mm_c8 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 8 Station: VLBA Total bit rate: 128 Format: VLBA1:2 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 2 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 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: 8 Setup file default. Used pcal sets: 1 LO sum= 43119.49 43119.49 43127.49 43127.49 43135.49 43135.49 43143.49 43143.49 BBC fr= 719.49 719.49 727.49 727.49 735.49 735.49 743.49 743.49 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, 6, 10, 14, 18, 22, 26, 30 track2= 3, 7, 11, 15, 19, 23, 27, 31 barrel=roll_8 Setup file: band.6-16 Matches group v6cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 9 Station: VLBA Total bit rate: 128 Format: VLBA1:4 Bits per sample: 1 Sample rate: 32.000 Number of channels: 4 Passes/head pos: 2 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= 4100.00 4100.00 4100.00 4100.00 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= 6cm omit 6cm omit VLBA Synth= 15.4 4.1 15.4 The following frequency sets based on this setup were used. Frequency Set: 9 Setup file default. Used pcal sets: 2 LO sum= 4974.49 4974.49 4990.49 4990.49 BBC fr= 874.49 874.49 890.49 890.49 Bandwd= 16.000 16.000 16.000 16.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 2 PCAL = 1MHZ PCALXB1= S1 S3 S1 S3 S1 S3 S1 S3 PCALXB2= S2 S4 S2 S4 S2 S4 S2 S4 PCALFR1= 510 510 13510 13510 0 0 1510 1510 PCALFR2= 510 510 13510 13510 0 0 1510 1510 Track assignments are: track1= 2, 10, 18, 26 track2= 3, 11, 19, 27 barrel=roll_auto Setup file: band.6-4 Matches group v6cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 10 Station: VLBA Total bit rate: 128 Format: VLBA1:1 Bits per sample: 2 Sample rate: 8.000 Number of channels: 8 Passes/head pos: 2 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= 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 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= 6cm omit 6cm omit VLBA Synth= 15.4 4.1 15.4 The following frequency sets based on this setup were used. Frequency Set: 10 Setup file default. Used pcal sets: 3 LO sum= 4982.49 4982.49 4986.49 4986.49 4990.49 4990.49 4994.49 4994.49 BBC fr= 882.49 882.49 886.49 886.49 890.49 890.49 894.49 894.49 Bandwd= 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 3 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 2510 2510 2510 2510 PCALFR2= 510 510 510 510 2510 2510 2510 2510 Track assignments are: track1= 2, 6, 10, 14, 18, 22, 26, 30 track2= 3, 7, 11, 15, 19, 23, 27, 31 barrel=roll_off Setup file: band.9050 Matches group v5090n in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 11 Station: VLBA Total bit rate: 128 Format: VLBA1:1 Bits per sample: 2 Sample rate: 8.000 Number of channels: 8 Passes/head pos: 2 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= -500.00 -500.00 -500.00 -500.00 -500.00 -500.00 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: 11 Setup file default. Used pcal sets: 4 LO sum= 315.99 315.99 319.99 319.99 323.99 323.99 608.99 608.99 BBC fr= 815.99 815.99 819.99 819.99 823.99 823.99 608.99 608.99 Bandwd= 4.000 4.000 4.000 4.000 4.000 4.000 4.000 4.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 4 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 10 10 10 10 3010 3010 3010 3010 PCALFR2= 10 10 10 10 3010 3010 3010 3010 Track assignments are: track1= 2, 6, 10, 14, 18, 22, 26, 30 track2= 3, 7, 11, 15, 19, 23, 27, 31 barrel=roll_16 SOURCE LIST -- VLBA 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). Source Source position (RA/Dec) (B1950) (J2000) (Date) J0927+3902 09 23 55.319195 * 09 27 03.013916 09 27 18.104169 * 0923+392 39 15 23.56655 * 39 02 20.85195 39 01 15.72192 4C39.25 /home/filehost/cwalker/sched/catalogs/sources.vlba J0927+39 ICRF - Ext.1 Source - 1998 IERS Annual Report 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) 0923+392 129.5 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