COVER INFORMATION Station: VLBA_FD (Code Fd ) Experiment: APM 08279+5255 at z=3.91 Exp. Code: br131a Schedule Version: 1.00 Processed by SCHED version: 6.05 June 2006 PI: Dominik A. Riechers Address: California Institute of Technology 1200 East California Blvd., MC 105-24 Pasadena, CA 91125 U.S.A. Phone: +1 626 395 4670 EMAIL: dr@astro.caltech.edu Fax: +1 626 568 9352 Phone during observation: +1 626 345 4432 Observing mode: VLBA/MKIV Notes: 20cm continuum 512Mbps VLBA Schedule for VLBA_FD (Code Fd ) Page 2 APM 08279+5255 at z=3.91 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 27 Jan 2008 Day 27 --- Next scan frequencies: 1414.49 1414.49 1414.49 1414.49 1430.49 1430.49 1430.49 1430.49 1446.49 1446.49 1446.49 1446.49 1462.49 1462.49 1462.49 1462.49 Next BBC frequencies: 985.51 985.51 985.51 985.51 969.51 969.51 969.51 969.51 953.51 953.51 953.51 953.51 937.51 937.51 937.51 937.51 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 03 19 18 J0827+5217 04 46 42 44.5 45.0 -3.7 -96.0 0 1 1 0 Stopped 03 25 17 =0824+524 04 52 42 45.5 44.9 -3.6 -97.3 359 S 1 23 03 25 17 J0827+5217 04 52 42 45.5 44.9 -3.6 -97.3 -4 1 1 23 03 25 17 03 26 17 =0824+524 04 53 42 45.6 44.8 -3.6 -97.5 56 F 1 27 03 25 35 03 26 17 APM08279 04 53 42 45.0 44.3 -3.6 -97.1 -7 1 1 27 03 26 17 03 29 17 --- 04 56 42 45.4 44.2 -3.6 -97.8 172 F 1 39 03 26 17 03 29 17 J0827+5217 04 56 42 46.1 44.8 -3.5 -98.1 -7 1 1 39 03 29 17 03 30 17 =0824+524 04 57 42 46.2 44.7 -3.5 -98.3 53 F 1 42 03 29 17 03 30 17 APM08279 04 57 42 45.6 44.2 -3.6 -98.0 -7 1 1 42 03 30 17 03 33 16 --- 05 00 42 46.0 44.1 -3.5 -98.6 172 F 1 54 03 30 17 03 33 16 J0827+5217 05 00 42 46.7 44.6 -3.5 -99.0 -7 1 1 54 03 33 16 03 34 16 =0824+524 05 01 42 46.8 44.6 -3.4 -99.2 53 F 1 58 03 33 16 03 34 16 APM08279 05 01 42 46.2 44.1 -3.5 -98.9 -7 1 1 58 03 34 16 03 37 15 --- 05 04 42 46.6 44.0 -3.5 -99.5 172 F 1 69 03 34 16 03 37 15 J0827+5217 05 04 42 47.3 44.5 -3.4 -99.9 -7 1 1 69 03 37 15 03 38 15 =0824+524 05 05 42 47.4 44.4 -3.4 -100.1 53 F 1 73 03 37 15 03 38 15 APM08279 05 05 42 46.8 43.9 -3.4 -99.8 -7 1 1 73 03 38 15 03 41 15 --- 05 08 42 47.2 43.8 -3.4 -100.4 172 F 1 85 03 38 15 03 41 15 J0827+5217 05 08 42 47.9 44.3 -3.3 -100.8 -7 1 1 85 03 41 15 03 42 15 =0824+524 05 09 42 48.0 44.3 -3.3 -101.1 53 F 1 89 03 41 15 03 42 15 APM08279 05 09 42 47.4 43.8 -3.4 -100.7 -7 1 1 89 03 42 15 03 45 14 --- 05 12 42 47.8 43.6 -3.3 -101.4 172 F 1 100 03 42 15 Schedule for VLBA_FD (Code Fd ) Page 3 APM 08279+5255 at z=3.91 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 27 Jan 2008 Day 27 --- 03 45 14 J0827+5217 05 12 42 48.5 44.1 -3.3 -101.7 -7 1 1 100 03 45 14 03 46 14 =0824+524 05 13 42 48.6 44.1 -3.2 -102.0 53 F 1 104 03 45 14 03 46 14 APM08279 05 13 42 48.0 43.6 -3.3 -101.6 -7 1 1 104 03 46 14 03 49 13 --- 05 16 42 48.4 43.4 -3.3 -102.3 172 F 1 116 03 46 14 03 49 13 J0827+5217 05 16 42 49.1 43.9 -3.2 -102.7 -7 1 1 116 03 49 13 03 50 13 =0824+524 05 17 42 49.2 43.9 -3.2 -102.9 53 F 1 120 03 49 13 03 50 13 APM08279 05 17 42 48.6 43.4 -3.2 -102.5 -7 1 1 120 03 50 13 03 53 13 --- 05 20 42 49.0 43.2 -3.2 -103.2 172 F 1 131 03 50 13 03 53 13 J0827+5217 05 20 42 49.7 43.7 -3.1 -103.6 -7 1 1 131 03 53 13 03 54 13 =0824+524 05 21 42 49.8 43.7 -3.1 -103.9 53 F 1 135 03 53 13 03 54 13 APM08279 05 21 42 49.2 43.2 -3.2 -103.5 -7 1 1 135 03 54 13 03 57 12 --- 05 24 42 49.6 43.0 -3.1 -104.2 172 F 1 147 03 54 13 03 57 12 J0827+5217 05 24 42 50.3 43.5 -3.1 -104.6 -7 1 1 147 03 57 12 03 58 12 =0824+524 05 25 42 50.4 43.4 -3.0 -104.9 53 F 1 151 03 57 12 03 58 12 APM08279 05 25 42 49.7 43.0 -3.1 -104.5 -7 1 1 151 03 58 12 04 01 11 --- 05 28 42 50.2 42.8 -3.1 -105.2 172 F 1 162 03 58 12 04 01 11 J0827+5217 05 28 42 50.9 43.2 -3.0 -105.6 -7 1 1 162 04 01 11 04 02 11 =0824+524 05 29 42 51.0 43.2 -3.0 -105.8 53 F 1 166 04 01 11 04 02 11 APM08279 05 29 42 50.3 42.7 -3.0 -105.4 -7 1 1 166 04 02 11 04 05 11 --- 05 32 42 50.8 42.5 -3.0 -106.2 172 F 1 178 04 02 11 04 05 11 J0827+5217 05 32 42 51.4 43.0 -2.9 -106.6 -7 1 1 178 04 05 11 04 06 11 =0824+524 05 33 42 51.6 42.9 -2.9 -106.8 53 F 1 181 04 05 11 04 06 11 APM08279 05 33 42 50.9 42.5 -3.0 -106.4 -7 1 1 181 04 06 11 04 09 10 --- 05 36 42 51.3 42.3 -2.9 -107.2 172 F 1 193 04 06 11 04 09 10 J0827+5217 05 36 42 52.0 42.7 -2.9 -107.6 -7 1 1 193 04 09 10 04 10 10 =0824+524 05 37 42 52.2 42.6 -2.8 -107.9 53 F 1 197 04 09 10 04 10 10 APM08279 05 37 42 51.5 42.2 -2.9 -107.4 -7 1 1 197 04 10 10 04 13 10 --- 05 40 42 51.9 42.0 -2.9 -108.2 172 F 1 208 04 10 10 04 13 10 J0827+5217 05 40 42 52.6 42.4 -2.8 -108.7 -7 1 1 208 04 13 10 04 14 09 =0824+524 05 41 42 52.8 42.3 -2.8 -108.9 53 F 1 212 04 13 10 Schedule for VLBA_FD (Code Fd ) Page 4 APM 08279+5255 at z=3.91 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 27 Jan 2008 Day 27 --- 04 14 09 APM08279 05 41 42 52.1 41.9 -2.8 -108.5 -7 1 1 212 04 14 09 04 17 09 --- 05 44 42 52.5 41.6 -2.8 -109.3 172 F 1 224 04 14 09 04 17 09 J0827+5217 05 44 42 53.2 42.0 -2.7 -109.7 -7 1 1 224 04 17 09 04 18 09 =0824+524 05 45 42 53.3 41.9 -2.7 -110.0 52 F 1 228 04 17 09 04 18 09 APM08279 05 45 42 52.6 41.6 -2.8 -109.5 -7 1 1 228 04 18 09 04 21 08 --- 05 48 42 53.1 41.3 -2.7 -110.3 172 F 1 239 04 18 09 04 21 08 J0827+5217 05 48 42 53.8 41.7 -2.7 -110.8 -7 1 1 239 04 21 08 04 22 08 =0824+524 05 49 42 53.9 41.6 -2.6 -111.1 52 F 1 243 04 21 08 04 22 08 APM08279 05 49 42 53.2 41.2 -2.7 -110.6 -7 1 1 243 04 22 08 04 25 08 --- 05 52 42 53.6 40.9 -2.7 -111.4 172 F 1 255 04 22 08 04 25 08 J0827+5217 05 52 42 54.3 41.3 -2.6 -111.9 -7 1 1 255 04 25 08 04 26 07 =0824+524 05 53 42 54.5 41.2 -2.6 -112.2 52 F 1 259 04 25 08 04 26 37 J0827+5217 05 54 12 54.5 41.1 -2.6 -112.3 25 1 1 259 04 26 37 04 27 37 =0824+524 05 55 12 54.7 41.0 -2.6 -112.6 60 F 1 262 04 26 55 04 27 37 APM08279 05 55 12 54.0 40.7 -2.6 -112.1 -7 1 1 262 04 27 37 04 30 37 --- 05 58 12 54.4 40.4 -2.6 -112.9 172 F 1 274 04 27 37 04 30 37 J0827+5217 05 58 12 55.1 40.7 -2.5 -113.4 -7 1 1 274 04 30 37 04 31 36 =0824+524 05 59 12 55.2 40.6 -2.5 -113.7 52 F 1 278 04 30 37 04 31 36 APM08279 05 59 12 54.5 40.3 -2.6 -113.2 -7 1 1 278 04 31 36 04 34 36 --- 06 02 12 55.0 40.0 -2.5 -114.1 172 F 1 290 04 31 36 04 34 36 J0827+5217 06 02 12 55.7 40.3 -2.4 -114.6 -7 1 1 290 04 34 36 04 35 36 =0824+524 06 03 12 55.8 40.2 -2.4 -114.9 52 F 1 293 04 34 36 04 35 36 APM08279 06 03 12 55.1 39.9 -2.5 -114.4 -7 1 1 293 04 35 36 04 38 35 --- 06 06 12 55.5 39.5 -2.4 -115.2 172 F 1 305 04 35 36 04 38 35 J0827+5217 06 06 12 56.2 39.8 -2.4 -115.8 -7 1 1 305 04 38 35 04 39 35 =0824+524 06 07 12 56.4 39.7 -2.4 -116.1 52 F 1 309 04 38 35 04 39 35 APM08279 06 07 12 55.6 39.4 -2.4 -115.5 -7 1 1 309 04 39 35 04 42 35 --- 06 10 12 56.0 39.1 -2.4 -116.4 172 F 1 320 04 39 35 04 42 35 J0827+5217 06 10 12 56.8 39.3 -2.3 -117.0 -7 1 1 320 04 42 35 04 43 35 =0824+524 06 11 12 56.9 39.2 -2.3 -117.3 52 F 1 324 04 42 35 Schedule for VLBA_FD (Code Fd ) Page 5 APM 08279+5255 at z=3.91 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 27 Jan 2008 Day 27 --- 04 43 35 APM08279 06 11 12 56.2 39.0 -2.4 -116.7 -7 1 1 324 04 43 35 04 46 34 --- 06 14 12 56.6 38.6 -2.3 -117.6 172 F 1 336 04 43 35 04 46 34 J0827+5217 06 14 12 57.3 38.8 -2.2 -118.2 -7 1 1 336 04 46 34 04 47 34 =0824+524 06 15 12 57.4 38.7 -2.2 -118.5 52 F 1 340 04 46 34 04 47 34 APM08279 06 15 12 56.7 38.4 -2.3 -117.9 -7 1 1 340 04 47 34 04 50 33 --- 06 18 12 57.1 38.1 -2.2 -118.9 172 F 1 351 04 47 34 04 50 33 J0827+5217 06 18 12 57.8 38.3 -2.2 -119.4 -7 1 1 351 04 50 33 04 51 33 =0824+524 06 19 12 58.0 38.1 -2.2 -119.8 52 F 1 355 04 50 33 04 51 33 APM08279 06 19 12 57.3 37.9 -2.2 -119.2 -7 1 1 355 04 51 33 04 54 33 --- 06 22 12 57.6 37.5 -2.2 -120.1 172 F 1 367 04 51 33 04 54 33 J0827+5217 06 22 12 58.4 37.7 -2.1 -120.7 -7 1 1 367 04 54 33 04 55 33 =0824+524 06 23 12 58.5 37.5 -2.1 -121.1 52 F 1 371 04 54 33 04 55 33 APM08279 06 23 12 57.8 37.4 -2.2 -120.5 -7 1 1 371 04 55 33 04 58 32 --- 06 26 12 58.2 36.9 -2.1 -121.4 172 F 1 382 04 55 33 04 58 32 J0827+5217 06 26 12 58.9 37.1 -2.0 -122.0 -7 1 1 382 04 58 32 04 59 32 =0824+524 06 27 12 59.0 36.9 -2.0 -122.4 52 F 1 386 04 58 32 04 59 32 APM08279 06 27 12 58.3 36.8 -2.1 -121.7 -7 1 1 386 04 59 32 05 02 31 --- 06 30 12 58.7 36.3 -2.0 -122.7 172 F 1 398 04 59 32 05 02 31 J0827+5217 06 30 12 59.4 36.4 -2.0 -123.4 -7 1 1 398 05 02 31 05 03 31 =0824+524 06 31 12 59.5 36.3 -2.0 -123.7 52 F 1 401 05 02 31 05 03 31 APM08279 06 31 12 58.8 36.1 -2.0 -123.1 -7 1 1 401 05 03 31 05 06 31 --- 06 34 12 59.2 35.7 -2.0 -124.1 172 F 1 413 05 03 31 05 06 31 J0827+5217 06 34 12 59.9 35.7 -1.9 -124.8 -7 1 1 413 05 06 31 05 07 31 =0824+524 06 35 12 60.0 35.6 -1.9 -125.1 52 F 1 417 05 06 31 05 07 31 APM08279 06 35 12 59.3 35.5 -2.0 -124.4 -7 1 1 417 05 07 31 05 10 30 --- 06 38 12 59.7 35.0 -1.9 -125.5 172 F 1 428 05 07 31 05 10 30 J0827+5217 06 38 12 60.4 35.0 -1.8 -126.2 -7 1 1 428 05 10 30 05 11 30 =0824+524 06 39 12 60.5 34.9 -1.8 -126.5 52 F 1 432 05 10 30 05 11 30 APM08279 06 39 12 59.8 34.8 -1.9 -125.8 -7 1 1 432 05 11 30 05 14 29 --- 06 42 12 60.2 34.3 -1.8 -126.9 172 F 1 444 05 11 30 Schedule for VLBA_FD (Code Fd ) Page 6 APM 08279+5255 at z=3.91 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 27 Jan 2008 Day 27 --- 05 14 29 J0827+5217 06 42 12 60.9 34.3 -1.8 -127.6 -7 1 1 444 05 14 29 05 15 29 =0824+524 06 43 12 61.0 34.1 -1.8 -128.0 52 F 1 448 05 14 29 05 15 29 APM08279 06 43 12 60.3 34.1 -1.8 -127.2 -7 1 1 448 05 15 29 05 18 29 --- 06 46 12 60.7 33.5 -1.8 -128.3 172 F 1 459 05 15 29 05 18 29 J0827+5217 06 46 12 61.4 33.5 -1.7 -129.1 -7 1 1 459 05 18 29 05 19 29 =0824+524 06 47 12 61.5 33.3 -1.7 -129.5 52 F 1 463 05 18 29 05 19 29 APM08279 06 47 12 60.8 33.3 -1.8 -128.7 -7 1 1 463 05 19 29 05 22 28 --- 06 50 12 61.1 32.7 -1.7 -129.8 172 F 1 475 05 19 29 05 22 28 J0827+5217 06 50 12 61.9 32.7 -1.6 -130.6 -7 1 1 475 05 22 28 05 23 28 =0824+524 06 51 12 62.0 32.5 -1.6 -131.0 52 F 1 479 05 22 28 05 23 28 APM08279 06 51 12 61.2 32.5 -1.7 -130.2 -7 1 1 479 05 23 28 05 26 27 --- 06 54 12 61.6 31.9 -1.6 -131.3 172 F 1 490 05 23 28 05 26 27 J0827+5217 06 54 12 62.3 31.8 -1.6 -132.2 -7 1 1 490 05 26 27 05 27 27 =0824+524 06 55 12 62.4 31.6 -1.6 -132.6 52 F 1 494 05 26 27 05 27 57 J0827+5217 06 55 42 62.5 31.5 -1.5 -132.8 25 1 1 494 05 27 57 05 28 57 =0824+524 06 56 42 62.6 31.2 -1.5 -133.2 60 F 1 498 05 28 15 05 28 57 J0828+5048 06 56 42 63.5 33.9 -1.5 -130.7 -8 1 1 498 05 28 57 05 31 57 --- 06 59 42 63.9 33.2 -1.5 -131.9 172 F 1 510 05 28 57 05 31 57 J0827+5217 06 59 42 62.9 30.6 -1.5 -134.4 -8 1 1 510 05 31 57 05 32 56 =0824+524 07 00 42 63.0 30.3 -1.5 -134.8 52 F 1 513 05 31 57 05 32 56 J0828+5048 07 00 42 64.0 32.9 -1.5 -132.3 -8 1 1 513 05 32 56 05 35 56 --- 07 03 42 64.3 32.2 -1.4 -133.6 172 F 1 525 05 32 56 05 35 56 J0827+5217 07 03 42 63.4 29.6 -1.4 -136.0 -8 1 1 525 05 35 56 05 36 56 =0824+524 07 04 42 63.5 29.3 -1.4 -136.4 52 F 1 529 05 35 56 05 36 56 J0828+5048 07 04 42 64.5 31.9 -1.4 -134.0 -8 1 1 529 05 36 56 05 39 55 --- 07 07 42 64.8 31.1 -1.4 -135.3 172 F 1 540 05 36 56 05 39 55 J0827+5217 07 07 42 63.8 28.6 -1.3 -137.7 -8 1 1 540 05 39 55 05 40 55 =0824+524 07 08 42 63.9 28.3 -1.3 -138.1 52 F 1 544 05 39 55 05 41 25 DA193 07 09 12 72.5 -53.3 1.2 116.0 -31 1 1 544 05 41 25 05 47 24 --- 07 15 12 71.5 -54.9 1.3 113.6 328 F 1 567 05 41 43 Schedule for VLBA_FD (Code Fd ) Page 7 APM 08279+5255 at z=3.91 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 27 Jan 2008 Day 27 --- 05 47 54 J0827+5217 07 15 42 64.6 26.5 -1.2 -141.2 -30 1 1 567 05 47 54 05 48 54 =0824+524 07 16 42 64.7 26.2 -1.2 -141.7 30 F 1 571 05 48 12 05 48 54 APM08279 07 16 42 64.0 26.6 -1.3 -140.6 -7 1 1 571 05 48 54 05 51 53 --- 07 19 42 64.2 25.7 -1.2 -141.9 172 F 1 583 05 48 54 05 51 53 J0827+5217 07 19 42 65.0 25.3 -1.1 -143.0 -7 1 1 583 05 51 53 05 52 53 =0824+524 07 20 42 65.0 25.0 -1.1 -143.5 52 F 1 587 05 51 53 05 52 53 APM08279 07 20 42 64.3 25.5 -1.2 -142.3 -7 1 1 587 05 52 53 05 55 53 --- 07 23 42 64.6 24.6 -1.1 -143.7 172 F 1 598 05 52 53 05 55 53 J0827+5217 07 23 42 65.3 24.1 -1.1 -144.9 -7 1 1 598 05 55 53 05 56 52 =0824+524 07 24 42 65.4 23.8 -1.1 -145.4 52 F 1 602 05 55 53 05 56 52 APM08279 07 24 42 64.7 24.3 -1.1 -144.2 -7 1 1 602 05 56 52 05 59 52 --- 07 27 42 65.0 23.5 -1.1 -145.5 172 F 1 614 05 56 52 05 59 52 J0827+5217 07 27 42 65.7 22.9 -1.0 -146.8 -7 1 1 614 05 59 52 06 00 52 =0824+524 07 28 42 65.7 22.6 -1.0 -147.3 52 F 1 618 05 59 52 06 00 52 APM08279 07 28 42 65.0 23.2 -1.1 -146.0 -7 1 1 618 06 00 52 06 03 51 --- 07 31 42 65.3 22.3 -1.0 -147.4 172 F 1 629 06 00 52 06 03 51 J0827+5217 07 31 42 66.0 21.7 -0.9 -148.7 -7 1 1 629 06 03 51 06 04 51 =0824+524 07 32 42 66.1 21.3 -0.9 -149.2 53 F 1 633 06 03 51 06 04 51 APM08279 07 32 42 65.4 22.0 -1.0 -147.9 -7 1 1 633 06 04 51 06 07 51 --- 07 35 42 65.6 21.0 -0.9 -149.3 172 F 1 645 06 04 51 06 07 51 J0827+5217 07 35 42 66.3 20.4 -0.9 -150.7 -7 1 1 645 06 07 51 06 08 51 =0824+524 07 36 42 66.4 20.0 -0.9 -151.2 53 F 1 649 06 07 51 06 08 51 APM08279 07 36 42 65.7 20.7 -0.9 -149.8 -7 1 1 649 06 08 51 06 11 50 --- 07 39 42 65.9 19.7 -0.9 -151.3 172 F 1 660 06 08 51 06 11 50 J0827+5217 07 39 42 66.6 19.0 -0.8 -152.7 -7 1 1 660 06 11 50 06 12 50 =0824+524 07 40 42 66.6 18.7 -0.8 -153.3 53 F 1 664 06 11 50 06 12 50 APM08279 07 40 42 66.0 19.4 -0.9 -151.8 -7 1 1 664 06 12 50 06 15 49 --- 07 43 42 66.2 18.4 -0.8 -153.3 172 F 1 676 06 12 50 06 15 49 J0827+5217 07 43 42 66.9 17.6 -0.7 -154.8 -7 1 1 676 06 15 49 06 16 49 =0824+524 07 44 42 66.9 17.3 -0.7 -155.3 53 F 1 679 06 15 49 Schedule for VLBA_FD (Code Fd ) Page 8 APM 08279+5255 at z=3.91 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 27 Jan 2008 Day 27 --- 06 16 49 APM08279 07 44 42 66.3 18.1 -0.8 -153.8 -7 1 1 679 06 16 49 06 19 49 --- 07 47 42 66.5 17.1 -0.7 -155.4 172 F 1 691 06 16 49 06 19 49 J0827+5217 07 47 42 67.1 16.2 -0.7 -156.9 -7 1 1 691 06 19 49 06 20 49 =0824+524 07 48 42 67.2 15.8 -0.7 -157.4 53 F 1 695 06 19 49 06 20 49 APM08279 07 48 42 66.5 16.7 -0.7 -155.9 -7 1 1 695 06 20 49 06 23 48 --- 07 51 42 66.7 15.7 -0.7 -157.4 172 F 1 706 06 20 49 06 23 48 J0827+5217 07 51 42 67.3 14.7 -0.6 -159.1 -7 1 1 706 06 23 48 06 24 48 =0824+524 07 52 42 67.4 14.4 -0.6 -159.6 53 F 1 710 06 23 48 06 24 48 APM08279 07 52 42 66.8 15.3 -0.7 -158.0 -7 1 1 710 06 24 48 06 27 47 --- 07 55 42 66.9 14.2 -0.6 -159.5 172 F 1 722 06 24 48 06 27 47 J0827+5217 07 55 42 67.5 13.2 -0.5 -161.2 -7 1 1 722 06 27 47 06 28 47 =0824+524 07 56 42 67.6 12.8 -0.5 -161.8 53 F 1 726 06 27 47 06 28 47 APM08279 07 56 42 67.0 13.9 -0.6 -160.1 -7 1 1 726 06 28 47 06 31 47 --- 07 59 42 67.1 12.8 -0.5 -161.7 172 F 1 737 06 28 47 06 31 47 J0827+5217 07 59 42 67.7 11.7 -0.5 -163.4 -7 1 1 737 06 31 47 06 32 47 =0824+524 08 00 42 67.8 11.3 -0.5 -164.0 53 F 1 741 06 31 47 06 32 47 APM08279 08 00 42 67.2 12.4 -0.5 -162.2 -7 1 1 741 06 32 47 06 35 46 --- 08 03 42 67.3 11.3 -0.5 -163.9 172 F 1 753 06 32 47 06 35 46 J0827+5217 08 03 42 67.9 10.1 -0.4 -165.7 -7 1 1 753 06 35 46 06 36 46 =0824+524 08 04 42 67.9 9.7 -0.4 -166.2 53 F 1 757 06 35 46 06 36 46 APM08279 08 04 42 67.3 10.9 -0.5 -164.4 -7 1 1 757 06 36 46 06 39 45 --- 08 07 42 67.5 9.8 -0.4 -166.1 172 F 1 768 06 36 46 06 39 45 J0827+5217 08 07 42 68.0 8.5 -0.3 -167.9 -7 1 1 768 06 39 45 06 40 45 =0824+524 08 08 42 68.1 8.1 -0.3 -168.5 53 F 1 772 06 39 45 06 40 45 APM08279 08 08 42 67.5 9.4 -0.4 -166.6 -7 1 1 772 06 40 45 06 43 45 --- 08 11 42 67.6 8.2 -0.3 -168.3 172 F 1 784 06 40 45 06 43 45 J0827+5217 08 11 42 68.1 6.9 -0.3 -170.2 -7 1 1 784 06 43 45 06 44 45 =0824+524 08 12 42 68.2 6.5 -0.3 -170.8 53 F 1 787 06 43 45 06 44 45 APM08279 08 12 42 67.6 7.8 -0.3 -168.8 -7 1 1 787 06 44 45 06 47 44 --- 08 15 42 67.7 6.7 -0.3 -170.5 173 F 1 799 06 44 45 Schedule for VLBA_FD (Code Fd ) Page 9 APM 08279+5255 at z=3.91 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 27 Jan 2008 Day 27 --- 06 47 44 J0827+5217 08 15 42 68.2 5.3 -0.2 -172.5 -7 1 1 799 06 47 44 06 48 44 =0824+524 08 16 42 68.3 4.9 -0.2 -173.1 53 F 1 803 06 47 44 06 49 14 J0827+5217 08 17 12 68.3 4.7 -0.2 -173.4 25 1 1 803 06 49 14 06 50 14 =0824+524 08 18 12 68.3 4.3 -0.2 -174.0 60 F 1 807 06 49 32 06 50 14 APM08279 08 18 12 67.8 5.7 -0.2 -171.9 -7 1 1 807 06 50 14 06 53 13 --- 08 21 12 67.8 4.5 -0.2 -173.6 173 F 1 818 06 50 14 06 53 13 J0827+5217 08 21 12 68.3 3.0 -0.1 -175.7 -7 1 1 818 06 53 13 06 54 13 =0824+524 08 22 12 68.3 2.6 -0.1 -176.3 53 F 1 822 06 53 13 06 54 13 APM08279 08 22 12 67.8 4.1 -0.2 -174.2 -7 1 1 822 06 54 13 06 57 13 --- 08 25 12 67.9 2.9 -0.1 -175.9 173 F 1 834 06 54 13 06 57 13 J0827+5217 08 25 12 68.4 1.4 -0.1 -178.0 -7 1 1 834 06 57 13 06 58 12 =0824+524 08 26 12 68.4 1.0 0.0 -178.6 53 F 1 838 06 57 13 06 58 12 APM08279 08 26 12 67.9 2.5 -0.1 -176.5 -7 1 1 838 06 58 12 07 01 12 --- 08 29 12 67.9 1.3 -0.1 -178.2 173 F 1 849 06 58 12 07 01 12 J0827+5217 08 29 12 68.4 -0.3 0.0 179.6 -7 1 1 849 07 01 12 07 02 12 =0824+524 08 30 12 68.4 -0.7 0.0 179.0 53 F 1 853 07 01 12 07 02 12 APM08279 08 30 12 67.9 0.9 0.0 -178.8 -7 1 1 853 07 02 12 07 05 11 --- 08 33 12 67.9 -0.3 0.0 179.5 173 F 1 865 07 02 12 07 05 11 J0827+5217 08 33 12 68.3 -1.9 0.1 177.3 -7 1 1 865 07 05 11 07 06 11 =0824+524 08 34 12 68.3 -2.3 0.1 176.7 53 F 1 869 07 05 11 07 06 11 APM08279 08 34 12 67.9 -0.7 0.0 178.9 -7 1 1 869 07 06 11 07 09 11 --- 08 37 12 67.9 -1.9 0.1 177.2 173 F 1 880 07 06 11 07 09 11 J0827+5217 08 37 12 68.3 -3.6 0.1 175.0 -7 1 1 880 07 09 11 07 10 10 =0824+524 08 38 12 68.3 -4.0 0.2 174.4 53 F 1 884 07 09 11 07 10 10 APM08279 08 38 12 67.9 -2.4 0.1 176.7 -7 1 1 884 07 10 10 07 13 10 --- 08 41 12 67.8 -3.6 0.1 174.9 173 F 1 896 07 10 10 07 13 10 J0827+5217 08 41 12 68.2 -5.2 0.2 172.6 -7 1 1 896 07 13 10 07 14 10 =0824+524 08 42 12 68.2 -5.6 0.2 172.1 53 F 1 899 07 13 10 07 14 10 APM08279 08 42 12 67.8 -4.0 0.2 174.4 -7 1 1 899 07 14 10 07 17 09 --- 08 45 12 67.8 -5.1 0.2 172.7 173 F 1 911 07 14 10 Schedule for VLBA_FD (Code Fd ) Page 10 APM 08279+5255 at z=3.91 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 27 Jan 2008 Day 27 --- 07 17 09 J0827+5217 08 45 12 68.1 -6.9 0.3 170.3 -7 1 1 911 07 17 09 07 18 09 =0824+524 08 46 12 68.1 -7.3 0.3 169.8 53 F 1 915 07 17 09 07 18 09 APM08279 08 46 12 67.8 -5.5 0.2 172.1 -7 1 1 915 07 18 09 07 21 09 --- 08 49 12 67.7 -6.7 0.3 170.4 172 F 1 926 07 18 09 07 21 09 J0827+5217 08 49 12 68.0 -8.5 0.3 168.1 -7 1 1 926 07 21 09 07 22 08 =0824+524 08 50 12 68.0 -8.9 0.4 167.5 53 F 1 930 07 21 09 07 22 08 APM08279 08 50 12 67.7 -7.1 0.3 169.9 -7 1 1 930 07 22 08 07 25 08 --- 08 53 12 67.6 -8.3 0.3 168.2 172 F 1 942 07 22 08 07 25 08 J0827+5217 08 53 12 67.9 -10.1 0.4 165.8 -7 1 1 942 07 25 08 07 26 08 =0824+524 08 54 12 67.9 -10.4 0.4 165.2 53 F 1 946 07 25 08 07 26 08 APM08279 08 54 12 67.6 -8.7 0.4 167.6 -7 1 1 946 07 26 08 07 29 07 --- 08 57 12 67.4 -9.8 0.4 166.0 172 F 1 957 07 26 08 07 29 07 J0827+5217 08 57 12 67.7 -11.6 0.5 163.6 -7 1 1 957 07 29 07 07 30 07 =0824+524 08 58 12 67.7 -12.0 0.5 163.0 53 F 1 961 07 29 07 07 30 07 APM08279 08 58 12 67.4 -10.2 0.4 165.4 -7 1 1 961 07 30 07 07 33 07 --- 09 01 12 67.3 -11.4 0.5 163.8 172 F 1 973 07 30 07 07 33 07 J0827+5217 09 01 12 67.5 -13.1 0.5 161.3 -7 1 1 973 07 33 07 07 34 07 =0824+524 09 02 12 67.5 -13.5 0.6 160.8 53 F 1 977 07 33 07 07 34 07 APM08279 09 02 12 67.2 -11.7 0.5 163.2 -7 1 1 977 07 34 07 07 37 06 --- 09 05 12 67.1 -12.8 0.5 161.6 172 F 1 988 07 34 07 07 37 06 J0827+5217 09 05 12 67.3 -14.6 0.6 159.2 -7 1 1 988 07 37 06 07 38 06 =0824+524 09 06 12 67.3 -15.0 0.6 158.6 53 F 1 992 07 37 06 07 38 06 APM08279 09 06 12 67.1 -13.2 0.6 161.0 -7 1 1 992 07 38 06 07 41 05 --- 09 09 12 66.9 -14.3 0.6 159.4 172 F 1 1004 07 38 06 07 41 05 J0827+5217 09 09 12 67.1 -16.1 0.7 157.0 -7 1 1 1004 07 41 05 07 42 05 =0824+524 09 10 12 67.1 -16.5 0.7 156.5 53 F 1 1007 07 41 05 07 42 05 APM08279 09 10 12 66.9 -14.7 0.6 158.9 -7 1 1 1007 07 42 05 07 45 05 --- 09 13 12 66.7 -15.7 0.7 157.3 172 F 1 1019 07 42 05 07 45 05 J0827+5217 09 13 12 66.9 -17.5 0.7 154.9 -7 1 1 1019 07 45 05 07 46 05 =0824+524 09 14 12 66.8 -17.9 0.8 154.4 53 F 1 1023 07 45 05 Schedule for VLBA_FD (Code Fd ) Page 11 APM 08279+5255 at z=3.91 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 27 Jan 2008 Day 27 --- 07 46 05 APM08279 09 14 12 66.6 -16.1 0.7 156.8 -7 1 1 1023 07 46 05 07 49 04 --- 09 17 12 66.4 -17.1 0.7 155.3 172 F 1 1035 07 46 05 07 49 04 J0827+5217 09 17 12 66.6 -18.9 0.8 152.9 -7 1 1 1035 07 49 04 07 50 04 =0824+524 09 18 12 66.5 -19.3 0.8 152.3 53 F 1 1038 07 49 04 07 50 34 J0827+5217 09 18 42 66.5 -19.4 0.8 152.1 25 1 1 1038 07 50 34 07 51 34 =0824+524 09 19 42 66.4 -19.8 0.9 151.6 60 F 1 1042 07 50 52 07 51 34 APM08279 09 19 42 66.3 -18.0 0.8 154.0 -7 1 1 1042 07 51 34 07 54 33 --- 09 22 42 66.1 -19.0 0.8 152.5 172 F 1 1054 07 51 34 07 54 33 J0827+5217 09 22 42 66.2 -20.8 0.9 150.1 -7 1 1 1054 07 54 33 07 55 33 =0824+524 09 23 42 66.1 -21.1 0.9 149.6 53 F 1 1058 07 54 33 07 55 33 APM08279 09 23 42 66.0 -19.3 0.9 152.0 -7 1 1 1058 07 55 33 07 58 32 --- 09 26 42 65.8 -20.3 0.9 150.5 172 F 1 1069 07 55 33 07 58 32 J0827+5217 09 26 42 65.9 -22.1 1.0 148.1 -7 1 1 1069 07 58 32 07 59 32 =0824+524 09 27 42 65.8 -22.4 1.0 147.6 53 F 1 1073 07 58 32 07 59 32 APM08279 09 27 42 65.7 -20.6 0.9 150.0 -7 1 1 1073 07 59 32 08 02 32 --- 09 30 42 65.5 -21.6 1.0 148.5 172 F 1 1085 07 59 32 08 02 32 J0827+5217 09 30 42 65.5 -23.3 1.0 146.2 -7 1 1 1085 08 02 32 08 03 32 =0824+524 09 31 42 65.5 -23.6 1.1 145.7 53 F 1 1089 08 02 32 08 03 32 APM08279 09 31 42 65.4 -21.9 1.0 148.1 -7 1 1 1089 08 03 32 08 06 31 --- 09 34 42 65.2 -22.8 1.0 146.6 172 F 1 1100 08 03 32 08 06 31 J0827+5217 09 34 42 65.2 -24.5 1.1 144.3 -7 1 1 1100 08 06 31 08 07 31 =0824+524 09 35 42 65.1 -24.8 1.1 143.8 53 F 1 1104 08 06 31 08 07 31 APM08279 09 35 42 65.1 -23.1 1.1 146.2 -7 1 1 1104 08 07 31 08 10 31 --- 09 38 42 64.8 -24.0 1.1 144.8 172 F 1 1116 08 07 31 08 10 31 J0827+5217 09 38 42 64.8 -25.7 1.2 142.4 -7 1 1 1116 08 10 31 08 11 30 =0824+524 09 39 42 64.7 -26.0 1.2 142.0 53 F 1 1119 08 10 31 08 11 30 APM08279 09 39 42 64.7 -24.3 1.1 144.3 -7 1 1 1119 08 11 30 08 14 30 --- 09 42 42 64.5 -25.1 1.2 142.9 172 F 1 1131 08 11 30 08 14 30 J0827+5217 09 42 42 64.5 -26.8 1.2 140.6 -7 1 1 1131 08 14 30 08 15 30 =0824+524 09 43 42 64.4 -27.1 1.3 140.2 53 F 1 1135 08 14 30 Schedule for VLBA_FD (Code Fd ) Page 12 APM 08279+5255 at z=3.91 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 27 Jan 2008 Day 27 --- 08 15 30 APM08279 09 43 42 64.4 -25.4 1.2 142.5 -7 1 1 1135 08 15 30 08 18 29 --- 09 46 42 64.1 -26.2 1.2 141.1 172 F 1 1146 08 15 30 08 18 29 J0827+5217 09 46 42 64.1 -27.9 1.3 138.9 -7 1 1 1146 08 18 29 08 19 29 =0824+524 09 47 42 64.0 -28.1 1.3 138.4 53 F 1 1150 08 18 29 08 19 29 APM08279 09 47 42 64.0 -26.5 1.3 140.7 -7 1 1 1150 08 19 29 08 22 29 --- 09 50 42 63.7 -27.3 1.3 139.4 173 F 1 1162 08 19 29 08 22 29 J0827+5217 09 50 42 63.6 -28.9 1.4 137.2 -7 1 1 1162 08 22 29 08 23 28 =0824+524 09 51 42 63.5 -29.2 1.4 136.7 53 F 1 1166 08 22 29 08 23 28 APM08279 09 51 42 63.6 -27.5 1.3 139.0 -7 1 1 1166 08 23 28 08 26 28 --- 09 54 42 63.3 -28.3 1.4 137.7 173 F 1 1177 08 23 28 08 26 28 J0827+5217 09 54 42 63.2 -29.9 1.4 135.5 -7 1 1 1177 08 26 28 08 27 28 =0824+524 09 55 42 63.1 -30.1 1.5 135.1 53 F 1 1181 08 26 28 08 27 28 APM08279 09 55 42 63.2 -28.5 1.4 137.3 -7 1 1 1181 08 27 28 08 30 27 --- 09 58 42 62.9 -29.3 1.4 136.0 173 F 1 1193 08 27 28 08 30 27 J0827+5217 09 58 42 62.8 -30.9 1.5 133.8 -7 1 1 1193 08 30 27 08 31 27 =0824+524 09 59 42 62.7 -31.1 1.5 133.4 53 F 1 1197 08 30 27 08 31 27 APM08279 09 59 42 62.8 -29.5 1.5 135.6 -7 1 1 1197 08 31 27 08 34 27 --- 10 02 42 62.5 -30.2 1.5 134.4 173 F 1 1208 08 31 27 08 34 27 J0827+5217 10 02 42 62.3 -31.8 1.6 132.3 -7 1 1 1208 08 34 27 08 35 26 =0824+524 10 03 42 62.2 -32.0 1.6 131.9 53 F 1 1212 08 34 27 08 35 26 APM08279 10 03 42 62.3 -30.4 1.5 134.0 -7 1 1 1212 08 35 26 08 38 26 --- 10 06 42 62.0 -31.1 1.6 132.8 173 F 1 1224 08 35 26 08 38 26 J0827+5217 10 06 42 61.9 -32.6 1.6 130.7 -7 1 1 1224 08 38 26 08 39 26 =0824+524 10 07 42 61.8 -32.8 1.7 130.3 53 F 1 1228 08 38 26 08 39 26 APM08279 10 07 42 61.9 -31.3 1.6 132.4 -7 1 1 1228 08 39 26 08 42 25 --- 10 10 42 61.6 -31.9 1.6 131.3 173 F 1 1239 08 39 26 08 42 25 J0827+5217 10 10 42 61.4 -33.5 1.7 129.2 -7 1 1 1239 08 42 25 08 43 25 =0824+524 10 11 42 61.3 -33.7 1.7 128.8 53 F 1 1243 08 42 25 08 43 25 APM08279 10 11 42 61.4 -32.2 1.7 130.9 -7 1 1 1243 08 43 25 08 46 25 --- 10 14 42 61.1 -32.8 1.7 129.7 173 F 1 1255 08 43 25 Schedule for VLBA_FD (Code Fd ) Page 13 APM 08279+5255 at z=3.91 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 27 Jan 2008 Day 27 --- 08 46 25 J0827+5217 10 14 42 60.9 -34.2 1.8 127.7 -7 1 1 1255 08 46 25 08 47 24 =0824+524 10 15 42 60.8 -34.4 1.8 127.3 53 F 1 1258 08 46 25 08 47 24 APM08279 10 15 42 61.0 -33.0 1.7 129.4 -7 1 1 1258 08 47 24 08 50 24 --- 10 18 42 60.6 -33.5 1.8 128.3 173 F 1 1270 08 47 24 08 50 24 J0827+5217 10 18 42 60.4 -35.0 1.8 126.2 -7 1 1 1270 08 50 24 08 51 24 =0824+524 10 19 42 60.3 -35.2 1.9 125.9 53 F 1 1274 08 50 24 08 51 54 J0827+5217 10 20 12 60.3 -35.3 1.9 125.7 25 1 1 1274 08 51 54 08 52 54 =0824+524 10 21 12 60.1 -35.4 1.9 125.4 60 F 1 1278 08 52 12 08 52 54 APM08279 10 21 12 60.3 -34.0 1.8 127.4 -7 1 1 1278 08 52 54 08 55 53 --- 10 24 12 60.0 -34.6 1.9 126.3 173 F 1 1289 08 52 54 08 55 53 J0827+5217 10 24 12 59.8 -36.0 1.9 124.3 -7 1 1 1289 08 55 53 08 56 53 =0824+524 10 25 12 59.6 -36.1 1.9 124.0 53 F 1 1293 08 55 53 08 56 53 APM08279 10 25 12 59.8 -34.7 1.9 125.9 -7 1 1 1293 08 56 53 08 59 52 --- 10 28 12 59.5 -35.3 1.9 124.9 173 F 1 1305 08 56 53 08 59 52 J0827+5217 10 28 12 59.2 -36.6 2.0 122.9 -7 1 1 1305 08 59 52 09 00 52 =0824+524 10 29 12 59.1 -36.8 2.0 122.6 53 F 1 1309 08 59 52 09 00 52 APM08279 10 29 12 59.4 -35.4 1.9 124.5 -7 1 1 1309 09 00 52 09 03 52 --- 10 32 12 59.0 -35.9 2.0 123.5 173 F 1 1320 09 00 52 09 03 52 J0827+5217 10 32 12 58.7 -37.3 2.1 121.6 -7 1 1 1320 09 03 52 09 04 52 =0824+524 10 33 12 58.6 -37.4 2.1 121.3 53 F 1 1324 09 03 52 09 04 52 APM08279 10 33 12 58.8 -36.1 2.0 123.2 -7 1 1 1324 09 04 52 09 07 51 --- 10 36 12 58.5 -36.6 2.1 122.2 173 F 1 1336 09 04 52 09 07 51 J0827+5217 10 36 12 58.2 -37.9 2.1 120.3 -7 1 1 1336 09 07 51 09 08 51 =0824+524 10 37 12 58.1 -38.0 2.1 120.0 53 F 1 1339 09 07 51 09 08 51 APM08279 10 37 12 58.3 -36.7 2.1 121.9 -7 1 1 1339 09 08 51 09 11 50 --- 10 40 12 58.0 -37.2 2.1 120.9 173 F 1 1351 09 08 51 09 11 50 J0827+5217 10 40 12 57.7 -38.4 2.2 119.0 -7 1 1 1351 09 11 50 09 12 50 =0824+524 10 41 12 57.5 -38.6 2.2 118.7 53 F 1 1355 09 11 50 09 12 50 APM08279 10 41 12 57.8 -37.3 2.1 120.6 -7 1 1 1355 09 12 50 09 15 50 --- 10 44 12 57.4 -37.7 2.2 119.6 173 F 1 1366 09 12 50 Schedule for VLBA_FD (Code Fd ) Page 14 APM 08279+5255 at z=3.91 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 27 Jan 2008 Day 27 --- 09 15 50 J0827+5217 10 44 12 57.1 -39.0 2.3 117.8 -7 1 1 1366 09 15 50 09 16 50 =0824+524 10 45 12 57.0 -39.1 2.3 117.5 53 F 1 1370 09 15 50 09 16 50 APM08279 10 45 12 57.3 -37.9 2.2 119.3 -7 1 1 1370 09 16 50 09 19 49 --- 10 48 12 56.9 -38.3 2.3 118.3 173 F 1 1382 09 16 50 09 19 49 J0827+5217 10 48 12 56.6 -39.5 2.3 116.6 -7 1 1 1382 09 19 49 09 20 49 =0824+524 10 49 12 56.5 -39.6 2.3 116.3 53 F 1 1386 09 19 49 09 20 49 APM08279 10 49 12 56.8 -38.4 2.3 118.0 -7 1 1 1386 09 20 49 09 23 48 --- 10 52 12 56.4 -38.8 2.3 117.1 173 F 1 1397 09 20 49 09 23 48 J0827+5217 10 52 12 56.0 -40.0 2.4 115.4 -7 1 1 1397 09 23 48 09 24 48 =0824+524 10 53 12 55.9 -40.1 2.4 115.1 53 F 1 1401 09 23 48 09 24 48 APM08279 10 53 12 56.2 -38.9 2.3 116.8 -7 1 1 1401 09 24 48 09 27 48 --- 10 56 12 55.8 -39.3 2.4 115.9 173 F 1 1413 09 24 48 09 27 48 J0827+5217 10 56 12 55.5 -40.4 2.5 114.2 -6 1 1 1413 09 27 48 09 28 48 =0824+524 10 57 12 55.3 -40.5 2.5 113.9 53 F 1 1417 09 27 48 09 28 48 APM08279 10 57 12 55.7 -39.4 2.4 115.6 -6 1 1 1417 09 28 48 09 31 47 --- 11 00 12 55.3 -39.7 2.5 114.8 173 F 1 1428 09 28 48 09 31 47 J0827+5217 11 00 12 54.9 -40.9 2.5 113.1 -6 1 1 1428 09 31 47 09 32 47 =0824+524 11 01 12 54.8 -41.0 2.5 112.8 53 F 1 1432 09 31 47 09 32 47 APM08279 11 01 12 55.1 -39.8 2.5 114.5 -6 1 1 1432 09 32 47 09 35 47 --- 11 04 12 54.7 -40.2 2.5 113.6 173 F 1 1444 09 32 47 09 35 47 J0827+5217 11 04 12 54.4 -41.3 2.6 111.9 -6 1 1 1444 09 35 47 09 36 46 =0824+524 11 05 12 54.2 -41.4 2.6 111.7 53 F 1 1448 09 35 47 09 36 46 APM08279 11 05 12 54.6 -40.3 2.5 113.3 -6 1 1 1448 09 36 46 09 39 46 --- 11 08 12 54.2 -40.6 2.6 112.5 173 F 1 1459 09 36 46 09 39 46 J0827+5217 11 08 12 53.8 -41.7 2.7 110.8 -6 1 1 1459 09 39 46 09 40 46 =0824+524 11 09 12 53.6 -41.7 2.7 110.6 53 F 1 1463 09 39 46 09 40 46 APM08279 11 09 12 54.0 -40.7 2.6 112.2 -6 1 1 1463 09 40 46 09 43 45 --- 11 12 12 53.6 -41.0 2.7 111.4 173 F 1 1475 09 40 46 09 43 45 J0827+5217 11 12 12 53.2 -42.0 2.7 109.8 -6 1 1 1475 09 43 45 09 44 45 =0824+524 11 13 12 53.1 -42.1 2.7 109.5 53 F 1 1478 09 43 45 Schedule for VLBA_FD (Code Fd ) Page 15 APM 08279+5255 at z=3.91 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 27 Jan 2008 Day 27 --- 09 44 45 APM08279 11 13 12 53.5 -41.0 2.7 111.1 -6 1 1 1478 09 44 45 09 47 45 --- 11 16 12 53.0 -41.3 2.7 110.3 173 F 1 1490 09 44 45 09 47 45 J0827+5217 11 16 12 52.6 -42.3 2.8 108.7 -7 1 1 1490 09 47 45 09 48 44 =0824+524 11 17 12 52.5 -42.4 2.8 108.4 53 F 1 1494 09 47 45 09 48 44 APM08279 11 17 12 52.9 -41.4 2.7 110.0 -7 1 1 1494 09 48 44 09 51 44 --- 11 20 12 52.5 -41.7 2.8 109.2 173 F 1 1505 09 48 44 09 51 44 J0827+5217 11 20 12 52.1 -42.7 2.9 107.7 -7 1 1 1505 09 51 44 09 52 44 =0824+524 11 21 12 51.9 -42.7 2.9 107.4 53 F 1 1509 09 51 44 09 53 14 J0827+5217 11 21 42 51.8 -42.8 2.9 107.3 25 1 1 1509 09 53 14 09 54 13 =0824+524 11 22 42 51.7 -42.8 2.9 107.0 60 F 1 1513 09 53 32 09 54 13 J0828+5048 11 22 42 52.2 -45.1 2.9 105.4 -7 1 1 1513 09 54 13 09 57 13 --- 11 25 42 51.8 -45.3 2.9 104.6 172 F 1 1525 09 54 13 09 57 13 J0827+5217 11 25 42 51.3 -43.1 3.0 106.3 -7 1 1 1525 09 57 13 09 58 13 =0824+524 11 26 42 51.1 -43.1 3.0 106.0 52 F 1 1529 09 57 13 09 58 13 J0828+5048 11 26 42 51.6 -45.4 3.0 104.4 -7 1 1 1529 09 58 13 10 01 12 --- 11 29 42 51.1 -45.6 3.0 103.7 172 F 1 1540 09 58 13 10 01 12 J0827+5217 11 29 42 50.7 -43.3 3.0 105.3 -7 1 1 1540 10 01 12 10 02 12 =0824+524 11 30 42 50.5 -43.4 3.0 105.0 52 F 1 1544 10 01 12 10 02 12 J0828+5048 11 30 42 51.0 -45.6 3.0 103.4 -7 1 1 1544 10 02 12 10 05 12 --- 11 33 42 50.5 -45.8 3.1 102.7 172 F 1 1556 10 02 12 10 05 12 J0827+5217 11 33 42 50.1 -43.6 3.1 104.3 -7 1 1 1556 10 05 12 10 06 12 =0824+524 11 34 42 49.9 -43.6 3.1 104.1 52 F 1 1559 10 05 12 10 06 41 4C39.25 11 35 12 62.7 -63.4 2.1 98.0 -2 1 1 1559 10 06 41 10 12 40 --- 11 41 12 61.5 -63.8 2.2 96.8 357 F 1 1583 10 06 59 10 13 10 J0827+5217 11 41 42 48.9 -44.0 3.2 102.4 -1 1 1 1583 10 13 10 10 14 10 =0824+524 11 42 42 48.7 -44.0 3.2 102.1 58 F 1 1587 10 13 28 10 14 10 APM08279 11 42 42 49.2 -43.2 3.2 103.6 -7 1 1 1587 10 14 10 10 17 10 --- 11 45 42 48.8 -43.3 3.2 102.8 173 F 1 1598 10 14 10 10 17 10 J0827+5217 11 45 42 48.3 -44.2 3.3 101.4 -7 1 1 1598 10 17 10 10 18 10 =0824+524 11 46 42 48.1 -44.2 3.3 101.2 53 F 1 1602 10 17 10 Schedule for VLBA_FD (Code Fd ) Page 16 APM 08279+5255 at z=3.91 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 27 Jan 2008 Day 27 --- 10 18 10 APM08279 11 46 42 48.6 -43.4 3.2 102.6 -7 1 1 1602 10 18 10 10 21 09 --- 11 49 42 48.2 -43.5 3.3 101.9 173 F 1 1614 10 18 10 10 21 09 J0827+5217 11 49 42 47.7 -44.4 3.4 100.5 -7 1 1 1614 10 21 09 10 22 09 =0824+524 11 50 42 47.5 -44.4 3.4 100.3 53 F 1 1617 10 21 09 10 22 09 APM08279 11 50 42 48.0 -43.6 3.3 101.7 -7 1 1 1617 10 22 09 10 25 08 --- 11 53 42 47.6 -43.7 3.4 101.0 173 F 1 1629 10 22 09 10 25 08 J0827+5217 11 53 42 47.1 -44.5 3.4 99.6 -7 1 1 1629 10 25 08 10 26 08 =0824+524 11 54 42 46.9 -44.6 3.4 99.4 53 F 1 1633 10 25 08 10 26 08 APM08279 11 54 42 47.4 -43.7 3.4 100.7 -7 1 1 1633 10 26 08 10 29 08 --- 11 57 42 47.0 -43.9 3.4 100.1 173 F 1 1644 10 26 08 10 29 08 J0827+5217 11 57 42 46.5 -44.7 3.5 98.7 -7 1 1 1644 10 29 08 10 30 08 =0824+524 11 58 42 46.3 -44.7 3.5 98.5 53 F 1 1648 10 29 08 10 30 08 APM08279 11 58 42 46.8 -43.9 3.4 99.8 -7 1 1 1648 10 30 08 10 33 07 --- 12 01 42 46.4 -44.0 3.5 99.2 173 F 1 1660 10 30 08 10 33 07 J0827+5217 12 01 42 45.9 -44.8 3.6 97.8 -7 1 1 1660 10 33 07 10 34 07 =0824+524 12 02 42 45.7 -44.8 3.6 97.6 53 F 1 1664 10 33 07 10 34 07 APM08279 12 02 42 46.2 -44.1 3.5 98.9 -7 1 1 1664 10 34 07 10 37 06 --- 12 05 42 45.8 -44.2 3.6 98.3 173 F 1 1675 10 34 07 10 37 06 J0827+5217 12 05 42 45.3 -44.9 3.6 97.0 -7 1 1 1675 10 37 06 10 38 06 =0824+524 12 06 42 45.1 -44.9 3.6 96.8 53 F 1 1679 10 37 06 10 38 06 APM08279 12 06 42 45.6 -44.2 3.6 98.0 -7 1 1 1679 10 38 06 10 41 06 --- 12 09 42 45.2 -44.3 3.6 97.4 173 F 1 1691 10 38 06 10 41 06 J0827+5217 12 09 42 44.7 -45.0 3.7 96.1 -7 1 1 1691 10 41 06 10 42 06 =0824+524 12 10 42 44.5 -45.0 3.7 95.9 53 F 1 1695 10 41 06 10 42 06 APM08279 12 10 42 45.0 -44.3 3.6 97.2 -7 1 1 1695 10 42 06 10 45 05 --- 12 13 42 44.6 -44.4 3.7 96.5 173 F 1 1706 10 42 06 10 45 05 J0827+5217 12 13 42 44.0 -45.1 3.8 95.3 -7 1 1 1706 10 45 05 10 46 05 =0824+524 12 14 42 43.9 -45.1 3.8 95.1 53 F 1 1710 10 45 05 10 46 05 APM08279 12 14 42 44.4 -44.4 3.7 96.3 -7 1 1 1710 10 46 05 10 49 04 --- 12 17 42 44.0 -44.5 3.8 95.7 173 F 1 1722 10 46 05 Schedule for VLBA_FD (Code Fd ) Page 17 APM 08279+5255 at z=3.91 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 27 Jan 2008 Day 27 --- 10 49 04 J0827+5217 12 17 42 43.4 -45.2 3.8 94.4 -7 1 1 1722 10 49 04 10 50 04 =0824+524 12 18 42 43.3 -45.2 3.8 94.2 53 F 1 1725 10 49 04 10 50 04 APM08279 12 18 42 43.8 -44.5 3.8 95.4 -7 1 1 1725 10 50 04 10 53 04 --- 12 21 42 43.4 -44.5 3.8 94.8 173 F 1 1737 10 50 04 10 53 04 J0827+5217 12 21 42 42.8 -45.2 3.9 93.6 -7 1 1 1737 10 53 04 10 54 04 =0824+524 12 22 42 42.7 -45.2 3.9 93.4 53 F 1 1741 10 53 04 10 54 04 APM08279 12 22 42 43.2 -44.6 3.8 94.6 -7 1 1 1741 10 54 04 10 57 03 --- 12 25 42 42.8 -44.6 3.9 94.0 173 F 1 1753 10 54 04 10 57 03 J0827+5217 12 25 42 42.2 -45.3 4.0 92.8 -7 1 1 1753 10 57 03 10 58 03 =0824+524 12 26 42 42.1 -45.3 4.0 92.6 53 F 1 1756 10 57 03 10 58 03 APM08279 12 26 42 42.6 -44.6 3.9 93.8 -7 1 1 1756 10 58 03 11 01 03 --- 12 29 42 42.2 -44.7 4.0 93.1 173 F 1 1768 10 58 03 11 01 03 J0827+5217 12 29 42 41.6 -45.3 4.0 92.0 -7 1 1 1768 11 01 03 11 02 02 =0824+524 12 30 42 41.5 -45.3 4.0 91.8 53 F 1 1772 11 01 03 11 02 02 APM08279 12 30 42 42.0 -44.7 4.0 92.9 -7 1 1 1772 11 02 02 11 05 02 --- 12 33 42 41.6 -44.7 4.0 92.3 173 F 1 1783 11 02 02 11 05 02 J0827+5217 12 33 42 41.0 -45.3 4.1 91.1 -7 1 1 1783 11 05 02 11 06 02 =0824+524 12 34 42 40.8 -45.3 4.1 90.9 53 F 1 1787 11 05 02 11 06 02 APM08279 12 34 42 41.4 -44.7 4.0 92.1 -7 1 1 1787 11 06 02 11 09 01 --- 12 37 42 41.0 -44.7 4.1 91.5 172 F 1 1799 11 06 02 11 09 01 J0827+5217 12 37 42 40.4 -45.3 4.2 90.4 -7 1 1 1799 11 09 01 11 10 01 =0824+524 12 38 42 40.2 -45.3 4.2 90.2 53 F 1 1803 11 09 01 11 10 01 APM08279 12 38 42 40.8 -44.7 4.1 91.3 -7 1 1 1803 11 10 01 11 13 01 --- 12 41 42 40.3 -44.7 4.2 90.7 172 F 1 1814 11 10 01 11 13 01 J0827+5217 12 41 42 39.8 -45.3 4.2 89.6 -7 1 1 1814 11 13 01 11 14 00 =0824+524 12 42 42 39.6 -45.3 4.2 89.4 53 F 1 1818 11 13 01 11 14 00 APM08279 12 42 42 40.2 -44.7 4.2 90.5 -7 1 1 1818 11 14 00 11 17 00 --- 12 45 42 39.7 -44.7 4.2 89.9 172 F 1 1830 11 14 00 11 17 00 J0827+5217 12 45 42 39.2 -45.3 4.3 88.8 -7 1 1 1830 11 17 00 11 18 00 =0824+524 12 46 42 39.0 -45.3 4.3 88.6 53 F 1 1834 11 17 00 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: br131a.set Matches group v20cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat FD filtered above 1760. SC filtered above 1740. Setup group: 4 Station: VLBA_FD Total bit rate: 512 Format: VLBA1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 16 Speedup factor: 1.00 Disk used to record data. 1st LO= 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 Net SB= L L U U L L U U L L U U L L U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 1 2 3 4 3 4 5 6 5 6 7 8 7 8 BBC SB= U U L L U U L L U U L L U U L L IF = A C A C A C A C 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: 4 Setup file default. Used pcal sets: 1 LO sum= 1414.49 1414.49 1414.49 1414.49 1430.49 1430.49 1430.49 1430.49 1446.49 1446.49 1446.49 1446.49 1462.49 1462.49 1462.49 1462.49 BBC fr= 985.51 985.51 985.51 985.51 969.51 969.51 969.51 969.51 953.51 953.51 953.51 953.51 937.51 937.51 937.51 937.51 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 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 S9 S11 S13 S15 PCALXB2= S2 S4 S6 S8 S10 S12 S14 S16 PCALFR1= 490 510 490 510 490 510 490 510 PCALFR2= 490 510 490 510 490 510 490 510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27, 66, 74, 82, 90, 67, 75, 83, 91 barrel=roll_off SOURCE LIST -- APM 08279+5255 at z=3.91 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) * APM08279 08 27 57.997954 * 08 31 41.698000 08 32 21.217989 0.00 52 55 26.79664 * 52 45 17.46000 52 43 37.38913 0.00 From catalog imbedded in main SCHED input file. 5.286 scan hours, 228.014 baseline hours above horizon. J0555+3948 05 52 01.407172 * 05 55 30.805614 05 56 06.881107 0.26 0552+398 39 48 21.94585 * 39 48 49.16500 39 49 03.62815 0.40 * DA193 /home/filehost/cwalker/sched/catalogs/sources.vlba J0555+39 VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.100 scan hours, 3.932 baseline hours above horizon. * J0827+5217 08 24 10.281451 * 08 27 53.698146 08 28 33.139642 3.48 0824+524 52 27 54.37254 * 52 17 58.29603 52 16 20.72502 1.55 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 2.011 scan hours, 79.388 baseline hours above horizon. * J0828+5048 08 24 56.763443 * 08 28 36.391577 08 29 15.123059 7.81 50 58 25.19664 * 50 48 26.51073 50 46 48.38959 5.75 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.299 scan hours, 12.831 baseline hours above horizon. J0927+3902 09 23 55.319213 * 09 27 03.013934 09 27 35.960523 0.26 0923+392 39 15 23.56648 * 39 02 20.85188 39 00 07.60860 0.40 * 4C39.25 /home/filehost/cwalker/sched/catalogs/sources.vlba J0927+39 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.100 scan hours, 4.024 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) APM08279 145.9 DA193 139.6 J0827+5217 146.3 J0828+5048 147.8 4C39.25 156.8 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