COVER INFORMATION Station: VLBA_BR (Code Br ) Experiment: APM 08279+5255 at z=3.91 Exp. Code: br131b 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_BR (Code Br ) 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 ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 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 11 27 J0827+5217 03 43 45 46.1 56.7 -4.7 -65.7 0 1 1 0 Stopped 03 17 26 =0824+524 03 49 45 46.9 57.2 -4.6 -66.5 359 S 1 23 03 17 26 J0827+5217 03 49 45 46.9 57.2 -4.6 -66.5 -4 1 1 23 03 17 26 03 18 25 =0824+524 03 50 45 47.1 57.3 -4.6 -66.6 56 F 1 27 03 17 44 03 18 25 APM08279 03 50 45 46.7 56.3 -4.7 -66.5 -6 1 1 27 03 18 25 03 21 25 --- 03 53 45 47.1 56.6 -4.6 -66.9 173 F 1 39 03 18 25 03 21 25 J0827+5217 03 53 45 47.5 57.6 -4.6 -67.0 -6 1 1 39 03 21 25 03 22 25 =0824+524 03 54 45 47.6 57.6 -4.6 -67.1 53 F 1 42 03 21 25 03 22 25 APM08279 03 54 45 47.3 56.7 -4.6 -67.1 -6 1 1 42 03 22 25 03 25 24 --- 03 57 45 47.7 57.0 -4.6 -67.5 173 F 1 54 03 22 25 03 25 24 J0827+5217 03 57 45 48.1 57.9 -4.5 -67.5 -6 1 1 54 03 25 24 03 26 24 =0824+524 03 58 45 48.2 58.0 -4.5 -67.7 53 F 1 58 03 25 24 03 26 24 APM08279 03 58 45 47.8 57.0 -4.6 -67.6 -6 1 1 58 03 26 24 03 29 24 --- 04 01 45 48.3 57.3 -4.5 -68.0 173 F 1 69 03 26 24 03 29 24 J0827+5217 04 01 45 48.6 58.3 -4.4 -68.1 -6 1 1 69 03 29 24 03 30 23 =0824+524 04 02 45 48.8 58.3 -4.4 -68.2 53 F 1 73 03 29 24 03 30 23 APM08279 04 02 45 48.4 57.4 -4.5 -68.2 -6 1 1 73 03 30 23 03 33 23 --- 04 05 45 48.8 57.6 -4.4 -68.6 173 F 1 85 03 30 23 03 33 23 J0827+5217 04 05 45 49.2 58.6 -4.4 -68.6 -6 1 1 85 03 33 23 03 34 23 =0824+524 04 06 45 49.3 58.7 -4.4 -68.7 53 F 1 89 03 33 23 03 34 23 APM08279 04 06 45 49.0 57.7 -4.4 -68.7 -6 1 1 89 03 34 23 03 37 22 --- 04 09 45 49.4 58.0 -4.4 -69.1 173 F 1 100 03 34 23 Schedule for VLBA_BR (Code Br ) 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 ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 03 37 22 J0827+5217 04 09 45 49.8 58.9 -4.3 -69.1 -6 1 1 100 03 37 22 03 38 22 =0824+524 04 10 45 49.9 59.0 -4.3 -69.3 53 F 1 104 03 37 22 03 38 22 APM08279 04 10 45 49.5 58.1 -4.4 -69.3 -6 1 1 104 03 38 22 03 41 22 --- 04 13 45 50.0 58.3 -4.3 -69.7 173 F 1 116 03 38 22 03 41 22 J0827+5217 04 13 45 50.3 59.3 -4.2 -69.7 -6 1 1 116 03 41 22 03 42 21 =0824+524 04 14 45 50.5 59.4 -4.2 -69.8 53 F 1 120 03 41 22 03 42 21 APM08279 04 14 45 50.1 58.4 -4.3 -69.8 -6 1 1 120 03 42 21 03 45 21 --- 04 17 45 50.5 58.6 -4.2 -70.2 173 F 1 131 03 42 21 03 45 21 J0827+5217 04 17 45 50.9 59.6 -4.2 -70.2 -6 1 1 131 03 45 21 03 46 21 =0824+524 04 18 45 51.1 59.7 -4.2 -70.3 53 F 1 135 03 45 21 03 46 21 APM08279 04 18 45 50.7 58.7 -4.2 -70.3 -7 1 1 135 03 46 21 03 49 20 --- 04 21 45 51.1 58.9 -4.2 -70.8 173 F 1 147 03 46 21 03 49 20 J0827+5217 04 21 45 51.5 59.9 -4.1 -70.7 -7 1 1 147 03 49 20 03 50 20 =0824+524 04 22 45 51.6 60.0 -4.1 -70.9 53 F 1 151 03 49 20 03 50 20 APM08279 04 22 45 51.2 59.0 -4.2 -70.9 -7 1 1 151 03 50 20 03 53 20 --- 04 25 45 51.7 59.3 -4.1 -71.3 173 F 1 162 03 50 20 03 53 20 J0827+5217 04 25 45 52.1 60.3 -4.0 -71.3 -7 1 1 162 03 53 20 03 54 20 =0824+524 04 26 45 52.2 60.3 -4.0 -71.4 53 F 1 166 03 53 20 03 54 20 APM08279 04 26 45 51.8 59.3 -4.1 -71.4 -7 1 1 166 03 54 20 03 57 19 --- 04 29 45 52.2 59.6 -4.0 -71.9 173 F 1 178 03 54 20 03 57 19 J0827+5217 04 29 45 52.7 60.6 -4.0 -71.8 -7 1 1 178 03 57 19 03 58 19 =0824+524 04 30 45 52.8 60.7 -4.0 -71.9 53 F 1 181 03 57 19 03 58 19 APM08279 04 30 45 52.4 59.6 -4.0 -72.0 -7 1 1 181 03 58 19 04 01 18 --- 04 33 45 52.8 59.9 -4.0 -72.4 173 F 1 193 03 58 19 04 01 18 J0827+5217 04 33 45 53.2 60.9 -3.9 -72.4 -7 1 1 193 04 01 18 04 02 18 =0824+524 04 34 45 53.4 61.0 -3.9 -72.5 53 F 1 197 04 01 18 04 02 18 APM08279 04 34 45 53.0 60.0 -4.0 -72.5 -7 1 1 197 04 02 18 04 05 18 --- 04 37 45 53.4 60.2 -3.9 -73.0 173 F 1 208 04 02 18 04 05 18 J0827+5217 04 37 45 53.8 61.2 -3.8 -72.9 -7 1 1 208 04 05 18 04 06 18 =0824+524 04 38 45 54.0 61.3 -3.8 -73.0 53 F 1 212 04 05 18 Schedule for VLBA_BR (Code Br ) 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 ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 04 06 18 APM08279 04 38 45 53.5 60.3 -3.9 -73.1 -7 1 1 212 04 06 18 04 09 17 --- 04 41 45 54.0 60.5 -3.8 -73.5 173 F 1 224 04 06 18 04 09 17 J0827+5217 04 41 45 54.4 61.5 -3.8 -73.4 -7 1 1 224 04 09 17 04 10 17 =0824+524 04 42 45 54.6 61.6 -3.8 -73.6 53 F 1 228 04 09 17 04 10 17 APM08279 04 42 45 54.1 60.5 -3.8 -73.7 -7 1 1 228 04 10 17 04 13 16 --- 04 45 45 54.6 60.8 -3.8 -74.1 173 F 1 239 04 10 17 04 13 16 J0827+5217 04 45 45 55.0 61.8 -3.7 -74.0 -7 1 1 239 04 13 16 04 14 16 =0824+524 04 46 45 55.1 61.9 -3.7 -74.1 53 F 1 243 04 13 16 04 14 16 APM08279 04 46 45 54.7 60.8 -3.8 -74.2 -7 1 1 243 04 14 16 04 17 16 --- 04 49 45 55.1 61.0 -3.7 -74.6 173 F 1 255 04 14 16 04 17 16 J0827+5217 04 49 45 55.6 62.1 -3.6 -74.5 -7 1 1 255 04 17 16 04 18 16 =0824+524 04 50 45 55.7 62.2 -3.6 -74.7 53 F 1 259 04 17 16 04 18 45 J0827+5217 04 51 15 55.8 62.2 -3.6 -74.7 25 1 1 259 04 18 45 04 19 45 =0824+524 04 52 15 56.0 62.3 -3.6 -74.9 60 F 1 262 04 19 03 04 19 45 APM08279 04 52 15 55.5 61.2 -3.7 -75.0 -7 1 1 262 04 19 45 04 22 45 --- 04 55 15 56.0 61.4 -3.6 -75.4 173 F 1 274 04 19 45 04 22 45 J0827+5217 04 55 15 56.4 62.5 -3.6 -75.3 -7 1 1 274 04 22 45 04 23 45 =0824+524 04 56 15 56.5 62.5 -3.5 -75.4 53 F 1 278 04 22 45 04 23 45 APM08279 04 56 15 56.1 61.5 -3.6 -75.6 -7 1 1 278 04 23 45 04 26 44 --- 04 59 15 56.5 61.7 -3.6 -76.0 173 F 1 290 04 23 45 04 26 44 J0827+5217 04 59 15 57.0 62.8 -3.5 -75.9 -7 1 1 290 04 26 44 04 27 44 =0824+524 05 00 15 57.1 62.8 -3.5 -76.0 53 F 1 293 04 26 44 04 27 44 APM08279 05 00 15 56.7 61.8 -3.5 -76.1 -7 1 1 293 04 27 44 04 30 44 --- 05 03 15 57.1 62.0 -3.5 -76.6 173 F 1 305 04 27 44 04 30 44 J0827+5217 05 03 15 57.6 63.0 -3.4 -76.4 -7 1 1 305 04 30 44 04 31 43 =0824+524 05 04 15 57.7 63.1 -3.4 -76.6 53 F 1 309 04 30 44 04 31 43 APM08279 05 04 15 57.3 62.0 -3.5 -76.7 -7 1 1 309 04 31 43 04 34 43 --- 05 07 15 57.7 62.2 -3.4 -77.2 173 F 1 320 04 31 43 04 34 43 J0827+5217 05 07 15 58.2 63.3 -3.4 -77.0 -7 1 1 320 04 34 43 04 35 43 =0824+524 05 08 15 58.3 63.4 -3.3 -77.1 53 F 1 324 04 34 43 Schedule for VLBA_BR (Code Br ) 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 ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 04 35 43 APM08279 05 08 15 57.9 62.3 -3.4 -77.3 -7 1 1 324 04 35 43 04 38 42 --- 05 11 15 58.3 62.5 -3.4 -77.7 173 F 1 336 04 35 43 04 38 42 J0827+5217 05 11 15 58.8 63.5 -3.3 -77.6 -7 1 1 336 04 38 42 04 39 42 =0824+524 05 12 15 58.9 63.6 -3.3 -77.7 53 F 1 340 04 38 42 04 39 42 APM08279 05 12 15 58.5 62.5 -3.3 -77.9 -7 1 1 340 04 39 42 04 42 42 --- 05 15 15 58.9 62.7 -3.3 -78.3 173 F 1 351 04 39 42 04 42 42 J0827+5217 05 15 15 59.4 63.8 -3.2 -78.1 -7 1 1 351 04 42 42 04 43 41 =0824+524 05 16 15 59.5 63.9 -3.2 -78.3 53 F 1 355 04 42 42 04 43 41 APM08279 05 16 15 59.1 62.8 -3.3 -78.5 -7 1 1 355 04 43 41 04 46 41 --- 05 19 15 59.5 62.9 -3.2 -78.9 173 F 1 367 04 43 41 04 46 41 J0827+5217 05 19 15 60.0 64.0 -3.2 -78.7 -7 1 1 367 04 46 41 04 47 41 =0824+524 05 20 15 60.1 64.1 -3.1 -78.9 53 F 1 371 04 46 41 04 47 41 APM08279 05 20 15 59.6 63.0 -3.2 -79.1 -7 1 1 371 04 47 41 04 50 40 --- 05 23 15 60.1 63.2 -3.2 -79.5 173 F 1 382 04 47 41 04 50 40 J0827+5217 05 23 15 60.6 64.3 -3.1 -79.3 -7 1 1 382 04 50 40 04 51 40 =0824+524 05 24 15 60.7 64.3 -3.1 -79.5 53 F 1 386 04 50 40 04 51 40 APM08279 05 24 15 60.2 63.2 -3.1 -79.7 -7 1 1 386 04 51 40 04 54 40 --- 05 27 15 60.7 63.4 -3.1 -80.1 173 F 1 398 04 51 40 04 54 40 J0827+5217 05 27 15 61.2 64.5 -3.0 -79.9 -7 1 1 398 04 54 40 04 55 39 =0824+524 05 28 15 61.3 64.6 -3.0 -80.1 53 F 1 401 04 54 40 04 55 39 APM08279 05 28 15 60.8 63.4 -3.1 -80.3 -7 1 1 401 04 55 39 04 58 39 --- 05 31 15 61.3 63.6 -3.0 -80.7 173 F 1 413 04 55 39 04 58 39 J0827+5217 05 31 15 61.8 64.7 -3.0 -80.5 -7 1 1 413 04 58 39 04 59 39 =0824+524 05 32 15 61.9 64.8 -2.9 -80.7 53 F 1 417 04 58 39 04 59 39 APM08279 05 32 15 61.4 63.6 -3.0 -80.9 -7 1 1 417 04 59 39 05 02 38 --- 05 35 15 61.9 63.8 -3.0 -81.4 173 F 1 428 04 59 39 05 02 38 J0827+5217 05 35 15 62.4 64.9 -2.9 -81.1 -7 1 1 428 05 02 38 05 03 38 =0824+524 05 36 15 62.5 65.0 -2.9 -81.3 53 F 1 432 05 02 38 05 03 38 APM08279 05 36 15 62.0 63.8 -2.9 -81.5 -7 1 1 432 05 03 38 05 06 38 --- 05 39 15 62.5 64.0 -2.9 -82.0 173 F 1 444 05 03 38 Schedule for VLBA_BR (Code Br ) 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 ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 05 06 38 J0827+5217 05 39 15 63.0 65.1 -2.8 -81.7 -7 1 1 444 05 06 38 05 07 37 =0824+524 05 40 15 63.1 65.2 -2.8 -81.9 53 F 1 448 05 06 38 05 07 37 APM08279 05 40 15 62.6 64.0 -2.9 -82.2 -7 1 1 448 05 07 37 05 10 37 --- 05 43 15 63.1 64.1 -2.8 -82.6 173 F 1 459 05 07 37 05 10 37 J0827+5217 05 43 15 63.6 65.3 -2.8 -82.3 -7 1 1 459 05 10 37 05 11 37 =0824+524 05 44 15 63.7 65.4 -2.7 -82.5 53 F 1 463 05 10 37 05 11 37 APM08279 05 44 15 63.2 64.2 -2.8 -82.8 -7 1 1 463 05 11 37 05 14 36 --- 05 47 15 63.7 64.3 -2.8 -83.3 173 F 1 475 05 11 37 05 14 36 J0827+5217 05 47 15 64.2 65.5 -2.7 -83.0 -7 1 1 475 05 14 36 05 15 36 =0824+524 05 48 15 64.4 65.5 -2.7 -83.1 53 F 1 479 05 14 36 05 15 36 APM08279 05 48 15 63.8 64.4 -2.7 -83.4 -7 1 1 479 05 15 36 05 18 36 --- 05 51 15 64.3 64.5 -2.7 -83.9 173 F 1 490 05 15 36 05 18 36 J0827+5217 05 51 15 64.8 65.7 -2.6 -83.6 -7 1 1 490 05 18 36 05 19 35 =0824+524 05 52 15 65.0 65.7 -2.6 -83.8 53 F 1 494 05 18 36 05 20 05 J0827+5217 05 52 45 65.0 65.7 -2.6 -83.9 25 1 1 494 05 20 05 05 21 05 =0824+524 05 53 45 65.2 65.8 -2.6 -84.0 60 F 1 498 05 20 23 05 21 05 J0828+5048 05 53 45 64.9 69.2 -2.6 -80.7 -8 1 1 498 05 21 05 05 24 05 --- 05 56 45 65.4 69.4 -2.5 -81.2 171 F 1 510 05 21 05 05 24 05 J0827+5217 05 56 45 65.6 65.9 -2.5 -84.5 -8 1 1 510 05 24 05 05 25 05 =0824+524 05 57 45 65.8 65.9 -2.5 -84.7 51 F 1 513 05 24 05 05 25 05 J0828+5048 05 57 45 65.5 69.5 -2.5 -81.3 -8 1 1 513 05 25 05 05 28 04 --- 06 00 45 66.0 69.6 -2.5 -81.7 171 F 1 525 05 25 05 05 28 04 J0827+5217 06 00 45 66.3 66.0 -2.5 -85.2 -8 1 1 525 05 28 04 05 29 04 =0824+524 06 01 45 66.4 66.0 -2.4 -85.4 51 F 1 529 05 28 04 05 29 04 J0828+5048 06 01 45 66.1 69.7 -2.5 -81.9 -8 1 1 529 05 29 04 05 32 03 --- 06 04 45 66.6 69.9 -2.4 -82.3 171 F 1 540 05 29 04 05 32 03 J0827+5217 06 04 45 66.9 66.1 -2.4 -85.9 -8 1 1 540 05 32 03 05 33 03 =0824+524 06 05 45 67.0 66.2 -2.4 -86.0 51 F 1 544 05 32 03 05 33 33 DA193 06 06 15 81.5 193.3 0.2 11.5 -61 1 1 544 05 33 33 05 39 32 --- 06 12 15 81.2 200.7 0.3 17.9 298 F 1 567 05 33 51 Schedule for VLBA_BR (Code Br ) 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 ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 05 40 02 J0827+5217 06 12 45 68.1 66.3 -2.3 -87.3 -66 1 1 567 05 40 02 05 41 02 =0824+524 06 13 45 68.2 66.3 -2.2 -87.4 -6 F 1 571 05 40 20 05 41 02 APM08279 06 13 45 67.7 65.1 -2.3 -87.9 -7 1 1 571 05 41 02 05 44 01 --- 06 16 45 68.1 65.1 -2.3 -88.4 173 F 1 583 05 41 02 05 44 01 J0827+5217 06 16 45 68.7 66.4 -2.2 -88.0 -7 1 1 583 05 44 01 05 45 01 =0824+524 06 17 45 68.9 66.4 -2.2 -88.2 53 F 1 587 05 44 01 05 45 01 APM08279 06 17 45 68.3 65.1 -2.2 -88.6 -7 1 1 587 05 45 01 05 48 01 --- 06 20 45 68.7 65.1 -2.2 -89.2 173 F 1 598 05 45 01 05 48 01 J0827+5217 06 20 45 69.3 66.4 -2.1 -88.7 -7 1 1 598 05 48 01 05 49 01 =0824+524 06 21 45 69.5 66.4 -2.1 -88.9 53 F 1 602 05 48 01 05 49 01 APM08279 06 21 45 68.9 65.1 -2.2 -89.4 -7 1 1 602 05 49 01 05 52 00 --- 06 24 45 69.3 65.1 -2.1 -90.0 172 F 1 614 05 49 01 05 52 00 J0827+5217 06 24 45 69.9 66.5 -2.1 -89.5 -7 1 1 614 05 52 00 05 53 00 =0824+524 06 25 45 70.1 66.5 -2.0 -89.7 53 F 1 618 05 52 00 05 53 00 APM08279 06 25 45 69.5 65.1 -2.1 -90.2 -7 1 1 618 05 53 00 05 56 00 --- 06 28 45 70.0 65.1 -2.1 -90.8 172 F 1 629 05 53 00 05 56 00 J0827+5217 06 28 45 70.5 66.5 -2.0 -90.3 -7 1 1 629 05 56 00 05 56 59 =0824+524 06 29 45 70.7 66.5 -2.0 -90.5 53 F 1 633 05 56 00 05 56 59 APM08279 06 29 45 70.1 65.1 -2.0 -91.0 -7 1 1 633 05 56 59 05 59 59 --- 06 32 45 70.6 65.1 -2.0 -91.6 172 F 1 645 05 56 59 05 59 59 J0827+5217 06 32 45 71.1 66.4 -1.9 -91.1 -7 1 1 645 05 59 59 06 00 59 =0824+524 06 33 45 71.3 66.4 -1.9 -91.3 53 F 1 649 05 59 59 06 00 59 APM08279 06 33 45 70.7 65.1 -2.0 -91.8 -7 1 1 649 06 00 59 06 03 58 --- 06 36 45 71.2 65.0 -1.9 -92.5 172 F 1 660 06 00 59 06 03 58 J0827+5217 06 36 45 71.8 66.4 -1.9 -91.9 -7 1 1 660 06 03 58 06 04 58 =0824+524 06 37 45 71.9 66.4 -1.8 -92.2 53 F 1 664 06 03 58 06 04 58 APM08279 06 37 45 71.3 65.0 -1.9 -92.7 -7 1 1 664 06 04 58 06 07 58 --- 06 40 45 71.8 64.9 -1.9 -93.4 172 F 1 676 06 04 58 06 07 58 J0827+5217 06 40 45 72.4 66.3 -1.8 -92.8 -7 1 1 676 06 07 58 06 08 57 =0824+524 06 41 45 72.5 66.3 -1.8 -93.0 53 F 1 679 06 07 58 Schedule for VLBA_BR (Code Br ) 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 ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 06 08 57 APM08279 06 41 45 71.9 64.9 -1.8 -93.6 -7 1 1 679 06 08 57 06 11 57 --- 06 44 45 72.4 64.8 -1.8 -94.3 172 F 1 691 06 08 57 06 11 57 J0827+5217 06 44 45 73.0 66.2 -1.7 -93.7 -7 1 1 691 06 11 57 06 12 57 =0824+524 06 45 45 73.1 66.2 -1.7 -94.0 53 F 1 695 06 11 57 06 12 57 APM08279 06 45 45 72.5 64.8 -1.8 -94.5 -7 1 1 695 06 12 57 06 15 56 --- 06 48 45 73.0 64.6 -1.7 -95.2 172 F 1 706 06 12 57 06 15 56 J0827+5217 06 48 45 73.6 66.0 -1.7 -94.7 -7 1 1 706 06 15 56 06 16 56 =0824+524 06 49 45 73.7 66.0 -1.6 -94.9 53 F 1 710 06 15 56 06 16 56 APM08279 06 49 45 73.1 64.6 -1.7 -95.5 -7 1 1 710 06 16 56 06 19 56 --- 06 52 45 73.6 64.4 -1.7 -96.2 172 F 1 722 06 16 56 06 19 56 J0827+5217 06 52 45 74.2 65.8 -1.6 -95.6 -7 1 1 722 06 19 56 06 20 55 =0824+524 06 53 45 74.4 65.8 -1.6 -95.9 53 F 1 726 06 19 56 06 20 55 APM08279 06 53 45 73.7 64.4 -1.6 -96.5 -7 1 1 726 06 20 55 06 23 55 --- 06 56 45 74.2 64.2 -1.6 -97.3 172 F 1 737 06 20 55 06 23 55 J0827+5217 06 56 45 74.8 65.6 -1.5 -96.7 -7 1 1 737 06 23 55 06 24 55 =0824+524 06 57 45 75.0 65.5 -1.5 -96.9 53 F 1 741 06 23 55 06 24 55 APM08279 06 57 45 74.3 64.1 -1.6 -97.6 -7 1 1 741 06 24 55 06 27 54 --- 07 00 45 74.8 63.9 -1.5 -98.4 172 F 1 753 06 24 55 06 27 54 J0827+5217 07 00 45 75.4 65.3 -1.5 -97.7 -7 1 1 753 06 27 54 06 28 54 =0824+524 07 01 45 75.6 65.2 -1.4 -98.0 53 F 1 757 06 27 54 06 28 54 APM08279 07 01 45 74.9 63.8 -1.5 -98.7 -7 1 1 757 06 28 54 06 31 54 --- 07 04 45 75.4 63.5 -1.5 -99.5 172 F 1 768 06 28 54 06 31 54 J0827+5217 07 04 45 76.0 64.9 -1.4 -98.9 -7 1 1 768 06 31 54 06 32 53 =0824+524 07 05 45 76.2 64.8 -1.4 -99.2 53 F 1 772 06 31 54 06 32 53 APM08279 07 05 45 75.5 63.4 -1.4 -99.8 -7 1 1 772 06 32 53 06 35 53 --- 07 08 45 76.0 63.1 -1.4 -100.7 172 F 1 784 06 32 53 06 35 53 J0827+5217 07 08 45 76.6 64.5 -1.3 -100.1 -7 1 1 784 06 35 53 06 36 53 =0824+524 07 09 45 76.8 64.4 -1.3 -100.4 53 F 1 787 06 35 53 06 36 53 APM08279 07 09 45 76.1 62.9 -1.4 -101.1 -7 1 1 787 06 36 53 06 39 52 --- 07 12 45 76.6 62.6 -1.3 -102.0 172 F 1 799 06 36 53 Schedule for VLBA_BR (Code Br ) 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 ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 06 39 52 J0827+5217 07 12 45 77.2 64.0 -1.3 -101.4 -7 1 1 799 06 39 52 06 40 52 =0824+524 07 13 45 77.4 63.9 -1.2 -101.7 53 F 1 803 06 39 52 06 41 22 J0827+5217 07 14 15 77.5 63.8 -1.2 -101.9 25 1 1 803 06 41 22 06 42 22 =0824+524 07 15 15 77.6 63.6 -1.2 -102.2 60 F 1 807 06 41 40 06 42 22 APM08279 07 15 15 76.9 62.2 -1.3 -102.9 -7 1 1 807 06 42 22 06 45 21 --- 07 18 15 77.4 61.7 -1.2 -103.9 172 F 1 818 06 42 22 06 45 21 J0827+5217 07 18 15 78.0 63.2 -1.2 -103.3 -7 1 1 818 06 45 21 06 46 21 =0824+524 07 19 15 78.2 63.0 -1.2 -103.6 53 F 1 822 06 45 21 06 46 21 APM08279 07 19 15 77.5 61.6 -1.2 -104.3 -7 1 1 822 06 46 21 06 49 21 --- 07 22 15 78.0 61.0 -1.2 -105.4 172 F 1 834 06 46 21 06 49 21 J0827+5217 07 22 15 78.6 62.4 -1.1 -104.8 -7 1 1 834 06 49 21 06 50 21 =0824+524 07 23 15 78.8 62.2 -1.1 -105.2 53 F 1 838 06 49 21 06 50 21 APM08279 07 23 15 78.1 60.8 -1.2 -105.8 -7 1 1 838 06 50 21 06 53 20 --- 07 26 15 78.5 60.2 -1.1 -107.0 172 F 1 849 06 50 21 06 53 20 J0827+5217 07 26 15 79.2 61.6 -1.0 -106.4 -7 1 1 849 06 53 20 06 54 20 =0824+524 07 27 15 79.4 61.3 -1.0 -106.9 53 F 1 853 06 53 20 06 54 20 APM08279 07 27 15 78.7 59.9 -1.1 -107.5 -7 1 1 853 06 54 20 06 57 19 --- 07 30 15 79.1 59.2 -1.0 -108.8 172 F 1 865 06 54 20 06 57 19 J0827+5217 07 30 15 79.8 60.6 -1.0 -108.2 -7 1 1 865 06 57 19 06 58 19 =0824+524 07 31 15 80.0 60.3 -1.0 -108.7 53 F 1 869 06 57 19 06 58 19 APM08279 07 31 15 79.3 59.0 -1.0 -109.2 -7 1 1 869 06 58 19 07 01 19 --- 07 34 15 79.7 58.1 -1.0 -110.7 172 F 1 880 06 58 19 07 01 19 J0827+5217 07 34 15 80.4 59.4 -0.9 -110.1 -7 1 1 880 07 01 19 07 02 19 =0824+524 07 35 15 80.5 59.1 -0.9 -110.7 52 F 1 884 07 01 19 07 02 19 APM08279 07 35 15 79.8 57.8 -1.0 -111.2 -7 1 1 884 07 02 19 07 05 18 --- 07 38 15 80.3 56.8 -0.9 -112.7 172 F 1 896 07 02 19 07 05 18 J0827+5217 07 38 15 81.0 58.0 -0.8 -112.3 -7 1 1 896 07 05 18 07 06 18 =0824+524 07 39 15 81.1 57.7 -0.8 -112.9 52 F 1 899 07 05 18 07 06 18 APM08279 07 39 15 80.4 56.5 -0.9 -113.3 -7 1 1 899 07 06 18 07 09 17 --- 07 42 15 80.8 55.3 -0.8 -115.0 172 F 1 911 07 06 18 Schedule for VLBA_BR (Code Br ) 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 ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 07 09 17 J0827+5217 07 42 15 81.5 56.4 -0.8 -114.7 -7 1 1 911 07 09 17 07 10 17 =0824+524 07 43 15 81.7 56.0 -0.8 -115.3 52 F 1 915 07 09 17 07 10 17 APM08279 07 43 15 80.9 54.9 -0.8 -115.6 -7 1 1 915 07 10 17 07 13 17 --- 07 46 15 81.4 53.6 -0.8 -117.5 172 F 1 926 07 10 17 07 13 17 J0827+5217 07 46 15 82.1 54.6 -0.7 -117.3 -7 1 1 926 07 13 17 07 14 17 =0824+524 07 47 15 82.2 54.0 -0.7 -118.0 52 F 1 930 07 13 17 07 14 17 APM08279 07 47 15 81.5 53.1 -0.8 -118.2 -7 1 1 930 07 14 17 07 17 16 --- 07 50 15 81.9 51.6 -0.7 -120.3 172 F 1 942 07 14 17 07 17 16 J0827+5217 07 50 15 82.6 52.3 -0.6 -120.3 -7 1 1 942 07 17 16 07 18 16 =0824+524 07 51 15 82.7 51.7 -0.6 -121.1 52 F 1 946 07 17 16 07 18 16 APM08279 07 51 15 82.0 51.0 -0.7 -121.0 -7 1 1 946 07 18 16 07 21 16 --- 07 54 15 82.4 49.3 -0.6 -123.4 172 F 1 957 07 18 16 07 21 16 J0827+5217 07 54 15 83.1 49.7 -0.6 -123.7 -7 1 1 957 07 21 16 07 22 15 =0824+524 07 55 15 83.3 49.0 -0.6 -124.6 52 F 1 961 07 21 16 07 22 15 APM08279 07 55 15 82.5 48.6 -0.6 -124.2 -7 1 1 961 07 22 15 07 25 15 --- 07 58 15 82.9 46.5 -0.6 -126.9 172 F 1 973 07 22 15 07 25 15 J0827+5217 07 58 15 83.6 46.6 -0.5 -127.5 -7 1 1 973 07 25 15 07 26 15 =0824+524 07 59 15 83.7 45.8 -0.5 -128.6 52 F 1 977 07 25 15 07 26 15 APM08279 07 59 15 83.0 45.8 -0.6 -127.8 -7 1 1 977 07 26 15 07 29 14 --- 08 02 15 83.4 43.4 -0.5 -130.8 172 F 1 988 07 26 15 07 29 14 J0827+5217 08 02 15 84.1 43.0 -0.4 -132.0 -7 1 1 988 07 29 14 07 30 14 =0824+524 08 03 15 84.2 42.0 -0.4 -133.2 52 F 1 992 07 29 14 07 30 14 APM08279 08 03 15 83.5 42.5 -0.5 -131.9 -7 1 1 992 07 30 14 07 33 14 --- 08 06 15 83.8 39.7 -0.4 -135.3 172 F 1 1004 07 30 14 07 33 14 J0827+5217 08 06 15 84.5 38.6 -0.4 -137.1 -7 1 1 1004 07 33 14 07 34 13 =0824+524 08 07 15 84.6 37.4 -0.4 -138.5 52 F 1 1007 07 33 14 07 34 13 APM08279 08 07 15 83.9 38.6 -0.4 -136.5 -7 1 1 1007 07 34 13 07 37 13 --- 08 10 15 84.2 35.4 -0.4 -140.4 172 F 1 1019 07 34 13 07 37 13 J0827+5217 08 10 15 84.9 33.5 -0.3 -142.9 -7 1 1 1019 07 37 13 07 38 13 =0824+524 08 11 15 85.0 32.1 -0.3 -144.5 52 F 1 1023 07 37 13 Schedule for VLBA_BR (Code Br ) 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 ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 07 38 13 APM08279 08 11 15 84.3 34.2 -0.4 -141.8 -7 1 1 1023 07 38 13 07 41 12 --- 08 14 15 84.6 30.4 -0.3 -146.1 172 F 1 1035 07 38 13 07 41 12 J0827+5217 08 14 15 85.3 27.6 -0.2 -149.7 -8 1 1 1035 07 41 12 07 42 12 =0824+524 08 15 15 85.3 25.9 -0.2 -151.5 52 F 1 1038 07 41 12 07 42 42 J0827+5217 08 15 45 85.4 25.1 -0.2 -152.4 24 1 1 1038 07 42 42 07 43 42 =0824+524 08 16 45 85.4 23.4 -0.2 -154.3 60 F 1 1042 07 43 00 07 43 42 APM08279 08 16 45 84.8 26.9 -0.3 -150.1 -8 1 1 1042 07 43 42 07 46 41 --- 08 19 45 85.0 22.4 -0.2 -155.2 171 F 1 1054 07 43 42 07 46 41 J0827+5217 08 19 45 85.6 18.0 -0.1 -160.4 -9 1 1 1054 07 46 41 07 47 41 =0824+524 08 20 45 85.7 16.0 -0.1 -162.5 51 F 1 1058 07 46 41 07 47 41 APM08279 08 20 45 85.0 20.8 -0.2 -157.0 -9 1 1 1058 07 47 41 07 50 41 --- 08 23 45 85.2 15.8 -0.1 -162.6 170 F 1 1069 07 47 41 07 50 41 J0827+5217 08 23 45 85.8 10.1 -0.1 -169.0 -10 1 1 1069 07 50 41 07 51 41 =0824+524 08 24 45 85.8 8.0 -0.1 -171.3 50 F 1 1073 07 50 41 07 51 41 APM08279 08 24 45 85.2 14.0 -0.1 -164.5 -10 1 1 1073 07 51 41 07 54 40 --- 08 27 45 85.3 8.6 -0.1 -170.5 169 F 1 1085 07 51 41 07 54 40 J0827+5217 08 27 45 85.9 1.7 0.0 -178.1 -11 1 1 1085 07 54 40 07 55 40 =0824+524 08 28 45 85.9 -0.4 0.0 179.6 49 F 1 1089 07 54 40 07 55 40 APM08279 08 28 45 85.4 6.8 -0.1 -172.5 -11 1 1 1089 07 55 40 07 58 39 --- 08 31 45 85.4 1.2 0.0 -178.7 169 F 1 1100 07 55 40 07 58 39 J0827+5217 08 31 45 85.8 -6.7 0.1 172.7 -11 1 1 1100 07 58 39 07 59 39 =0824+524 08 32 45 85.8 -8.8 0.1 170.4 49 F 1 1104 07 58 39 07 59 39 APM08279 08 32 45 85.4 -0.7 0.0 179.2 -11 1 1 1104 07 59 39 08 02 39 --- 08 35 45 85.4 -6.4 0.1 173.0 168 F 1 1116 07 59 39 08 02 39 J0827+5217 08 35 45 85.7 -14.8 0.1 163.8 -12 1 1 1116 08 02 39 08 03 39 =0824+524 08 36 45 85.7 -16.8 0.1 161.6 48 F 1 1119 08 02 39 08 03 39 APM08279 08 36 45 85.4 -8.2 0.1 170.9 -12 1 1 1119 08 03 39 08 06 38 --- 08 39 45 85.3 -13.7 0.1 164.9 168 F 1 1131 08 03 39 08 06 38 J0827+5217 08 39 45 85.5 -22.3 0.2 155.5 -12 1 1 1131 08 06 38 08 07 38 =0824+524 08 40 45 85.4 -24.1 0.2 153.6 48 F 1 1135 08 06 38 Schedule for VLBA_BR (Code Br ) 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 ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 08 07 38 APM08279 08 40 45 85.2 -15.4 0.1 163.0 -12 1 1 1135 08 07 38 08 10 37 --- 08 43 45 85.1 -20.4 0.2 157.4 168 F 1 1146 08 07 38 08 10 37 J0827+5217 08 43 45 85.2 -29.0 0.3 148.1 -12 1 1 1146 08 10 37 08 11 37 =0824+524 08 44 45 85.1 -30.5 0.3 146.4 48 F 1 1150 08 10 37 08 11 37 APM08279 08 44 45 85.0 -22.1 0.2 155.6 -12 1 1 1150 08 11 37 08 14 37 --- 08 47 45 84.8 -26.6 0.3 150.4 168 F 1 1162 08 11 37 08 14 37 J0827+5217 08 47 45 84.8 -34.7 0.3 141.6 -11 1 1 1162 08 14 37 08 15 37 =0824+524 08 48 45 84.8 -36.0 0.3 140.1 48 F 1 1166 08 14 37 08 15 37 APM08279 08 48 45 84.7 -28.0 0.3 148.8 -11 1 1 1166 08 15 37 08 18 36 --- 08 51 45 84.5 -32.0 0.3 144.2 168 F 1 1177 08 15 37 08 18 36 J0827+5217 08 51 45 84.4 -39.7 0.4 135.9 -11 1 1 1177 08 18 36 08 19 36 =0824+524 08 52 45 84.3 -40.8 0.4 134.6 49 F 1 1181 08 18 36 08 19 36 APM08279 08 52 45 84.4 -33.3 0.3 142.8 -11 1 1 1181 08 19 36 08 22 35 --- 08 55 45 84.1 -36.8 0.4 138.7 169 F 1 1193 08 19 36 08 22 35 J0827+5217 08 55 45 84.0 -43.8 0.5 130.9 -11 1 1 1193 08 22 35 08 23 35 =0824+524 08 56 45 83.9 -44.8 0.5 129.8 49 F 1 1197 08 22 35 08 23 35 APM08279 08 56 45 84.0 -37.9 0.4 137.4 -11 1 1 1197 08 23 35 08 26 35 --- 08 59 45 83.7 -40.9 0.5 133.8 169 F 1 1208 08 23 35 08 26 35 J0827+5217 08 59 45 83.5 -47.4 0.5 126.6 -10 1 1 1208 08 26 35 08 27 35 =0824+524 09 00 45 83.4 -48.2 0.5 125.6 50 F 1 1212 08 26 35 08 27 35 APM08279 09 00 45 83.6 -41.8 0.5 132.7 -10 1 1 1212 08 27 35 08 30 34 --- 09 03 45 83.2 -44.4 0.5 129.5 169 F 1 1224 08 27 35 08 30 34 J0827+5217 09 03 45 83.0 -50.3 0.6 122.9 -10 1 1 1224 08 30 34 08 31 34 =0824+524 09 04 45 82.9 -51.0 0.6 122.0 50 F 1 1228 08 30 34 08 31 34 APM08279 09 04 45 83.1 -45.2 0.5 128.5 -10 1 1 1228 08 31 34 08 34 33 --- 09 07 45 82.7 -47.5 0.6 125.7 170 F 1 1239 08 31 34 08 34 33 J0827+5217 09 07 45 82.5 -52.9 0.7 119.6 -10 1 1 1239 08 34 33 08 35 33 =0824+524 09 08 45 82.4 -53.4 0.7 118.8 50 F 1 1243 08 34 33 08 35 33 APM08279 09 08 45 82.6 -48.1 0.6 124.8 -10 1 1 1243 08 35 33 08 38 33 --- 09 11 45 82.2 -50.0 0.7 122.4 170 F 1 1255 08 35 33 Schedule for VLBA_BR (Code Br ) 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 ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 08 38 33 J0827+5217 09 11 45 82.0 -55.0 0.7 116.7 -9 1 1 1255 08 38 33 08 39 33 =0824+524 09 12 45 81.8 -55.5 0.7 116.0 51 F 1 1258 08 38 33 08 39 33 APM08279 09 12 45 82.1 -50.6 0.7 121.6 -9 1 1 1258 08 39 33 08 42 32 --- 09 15 45 81.7 -52.3 0.7 119.4 170 F 1 1270 08 39 33 08 42 32 J0827+5217 09 15 45 81.4 -56.8 0.8 114.1 -9 1 1 1270 08 42 32 08 43 32 =0824+524 09 16 45 81.3 -57.2 0.8 113.5 51 F 1 1274 08 42 32 08 44 02 J0827+5217 09 17 15 81.2 -57.4 0.8 113.2 25 1 1 1274 08 44 02 08 45 02 =0824+524 09 18 15 81.1 -57.8 0.8 112.6 60 F 1 1278 08 44 20 08 45 02 APM08279 09 18 15 81.4 -53.5 0.8 117.6 -9 1 1 1278 08 45 02 08 48 01 --- 09 21 15 81.0 -54.8 0.8 115.7 171 F 1 1289 08 45 02 08 48 01 J0827+5217 09 21 15 80.6 -58.9 0.9 111.0 -9 1 1 1289 08 48 01 08 49 01 =0824+524 09 22 15 80.5 -59.2 0.9 110.5 51 F 1 1293 08 48 01 08 49 01 APM08279 09 22 15 80.8 -55.2 0.8 115.1 -9 1 1 1293 08 49 01 08 52 01 --- 09 25 15 80.4 -56.4 0.9 113.4 171 F 1 1305 08 49 01 08 52 01 J0827+5217 09 25 15 80.0 -60.1 0.9 109.0 -8 1 1 1305 08 52 01 08 53 00 =0824+524 09 26 15 79.9 -60.4 1.0 108.5 51 F 1 1309 08 52 01 08 53 00 APM08279 09 26 15 80.3 -56.7 0.9 112.8 -8 1 1 1309 08 53 00 08 56 00 --- 09 29 15 79.9 -57.7 0.9 111.3 171 F 1 1320 08 53 00 08 56 00 J0827+5217 09 29 15 79.5 -61.2 1.0 107.1 -8 1 1 1320 08 56 00 08 57 00 =0824+524 09 30 15 79.3 -61.4 1.0 106.7 52 F 1 1324 08 56 00 08 57 00 APM08279 09 30 15 79.7 -58.0 1.0 110.8 -8 1 1 1324 08 57 00 08 59 59 --- 09 33 15 79.3 -58.9 1.0 109.3 171 F 1 1336 08 57 00 08 59 59 J0827+5217 09 33 15 78.9 -62.1 1.1 105.4 -8 1 1 1336 08 59 59 09 00 59 =0824+524 09 34 15 78.7 -62.3 1.1 105.0 52 F 1 1339 08 59 59 09 00 59 APM08279 09 34 15 79.2 -59.2 1.0 108.9 -8 1 1 1339 09 00 59 09 03 59 --- 09 37 15 78.7 -59.9 1.1 107.6 171 F 1 1351 09 00 59 09 03 59 J0827+5217 09 37 15 78.3 -62.9 1.1 103.9 -8 1 1 1351 09 03 59 09 04 58 =0824+524 09 38 15 78.1 -63.1 1.2 103.5 52 F 1 1355 09 03 59 09 04 58 APM08279 09 38 15 78.6 -60.1 1.1 107.1 -8 1 1 1355 09 04 58 09 07 58 --- 09 41 15 78.1 -60.8 1.1 105.9 172 F 1 1366 09 04 58 Schedule for VLBA_BR (Code Br ) 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 ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 09 07 58 J0827+5217 09 41 15 77.7 -63.5 1.2 102.4 -8 1 1 1366 09 07 58 09 08 58 =0824+524 09 42 15 77.5 -63.7 1.2 102.1 52 F 1 1370 09 07 58 09 08 58 APM08279 09 42 15 78.0 -61.0 1.2 105.5 -8 1 1 1370 09 08 58 09 11 57 --- 09 45 15 77.6 -61.5 1.2 104.4 172 F 1 1382 09 08 58 09 11 57 J0827+5217 09 45 15 77.1 -64.1 1.3 101.1 -8 1 1 1382 09 11 57 09 12 57 =0824+524 09 46 15 76.9 -64.2 1.3 100.8 52 F 1 1386 09 11 57 09 12 57 APM08279 09 46 15 77.4 -61.7 1.2 104.0 -8 1 1 1386 09 12 57 09 15 57 --- 09 49 15 77.0 -62.2 1.3 102.9 172 F 1 1397 09 12 57 09 15 57 J0827+5217 09 49 15 76.5 -64.6 1.3 99.8 -8 1 1 1397 09 15 57 09 16 57 =0824+524 09 50 15 76.3 -64.7 1.4 99.5 52 F 1 1401 09 15 57 09 16 57 APM08279 09 50 15 76.8 -62.3 1.3 102.6 -8 1 1 1401 09 16 57 09 19 56 --- 09 53 15 76.4 -62.7 1.3 101.6 172 F 1 1413 09 16 57 09 19 56 J0827+5217 09 53 15 75.9 -65.0 1.4 98.6 -7 1 1 1413 09 19 56 09 20 56 =0824+524 09 54 15 75.7 -65.1 1.4 98.3 52 F 1 1417 09 19 56 09 20 56 APM08279 09 54 15 76.2 -62.9 1.4 101.3 -7 1 1 1417 09 20 56 09 23 55 --- 09 57 15 75.8 -63.2 1.4 100.3 172 F 1 1428 09 20 56 09 23 55 J0827+5217 09 57 15 75.3 -65.4 1.5 97.5 -7 1 1 1428 09 23 55 09 24 55 =0824+524 09 58 15 75.1 -65.4 1.5 97.2 52 F 1 1432 09 23 55 09 24 55 APM08279 09 58 15 75.6 -63.3 1.4 100.0 -7 1 1 1432 09 24 55 09 27 55 --- 10 01 15 75.2 -63.6 1.5 99.2 172 F 1 1444 09 24 55 09 27 55 J0827+5217 10 01 15 74.7 -65.6 1.5 96.4 -7 1 1 1444 09 27 55 09 28 55 =0824+524 10 02 15 74.5 -65.7 1.6 96.2 53 F 1 1448 09 27 55 09 28 55 APM08279 10 02 15 75.0 -63.7 1.5 98.9 -7 1 1 1448 09 28 55 09 31 54 --- 10 05 15 74.6 -64.0 1.5 98.0 172 F 1 1459 09 28 55 09 31 54 J0827+5217 10 05 15 74.1 -65.9 1.6 95.4 -7 1 1 1459 09 31 54 09 32 54 =0824+524 10 06 15 73.9 -65.9 1.6 95.2 53 F 1 1463 09 31 54 09 32 54 APM08279 10 06 15 74.4 -64.0 1.6 97.7 -7 1 1 1463 09 32 54 09 35 53 --- 10 09 15 74.0 -64.3 1.6 96.9 172 F 1 1475 09 32 54 09 35 53 J0827+5217 10 09 15 73.5 -66.1 1.7 94.4 -7 1 1 1475 09 35 53 09 36 53 =0824+524 10 10 15 73.3 -66.1 1.7 94.2 53 F 1 1478 09 35 53 Schedule for VLBA_BR (Code Br ) 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 ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 09 36 53 APM08279 10 10 15 73.8 -64.3 1.6 96.7 -7 1 1 1478 09 36 53 09 39 53 --- 10 13 15 73.4 -64.5 1.7 95.9 172 F 1 1490 09 36 53 09 39 53 J0827+5217 10 13 15 72.8 -66.2 1.7 93.5 -7 1 1 1490 09 39 53 09 40 53 =0824+524 10 14 15 72.7 -66.2 1.8 93.3 53 F 1 1494 09 39 53 09 40 53 APM08279 10 14 15 73.2 -64.5 1.7 95.7 -7 1 1 1494 09 40 53 09 43 52 --- 10 17 15 72.8 -64.7 1.7 94.9 172 F 1 1505 09 40 53 09 43 52 J0827+5217 10 17 15 72.2 -66.3 1.8 92.6 -7 1 1 1505 09 43 52 09 44 52 =0824+524 10 18 15 72.1 -66.3 1.8 92.4 53 F 1 1509 09 43 52 09 45 22 J0827+5217 10 18 45 72.0 -66.4 1.8 92.3 25 1 1 1509 09 45 22 09 46 22 =0824+524 10 19 45 71.9 -66.4 1.9 92.1 60 F 1 1513 09 45 40 09 46 22 J0828+5048 10 19 45 72.0 -71.2 1.8 87.6 -9 1 1 1513 09 46 22 09 49 21 --- 10 22 45 71.5 -71.1 1.9 87.1 170 F 1 1525 09 46 22 09 49 21 J0827+5217 10 22 45 71.4 -66.4 1.9 91.4 -9 1 1 1525 09 49 21 09 50 21 =0824+524 10 23 45 71.2 -66.4 1.9 91.2 51 F 1 1529 09 49 21 09 50 21 J0828+5048 10 23 45 71.3 -71.1 1.9 87.0 -9 1 1 1529 09 50 21 09 53 21 --- 10 26 45 70.9 -71.0 2.0 86.5 170 F 1 1540 09 50 21 09 53 21 J0827+5217 10 26 45 70.8 -66.5 2.0 90.6 -9 1 1 1540 09 53 21 09 54 20 =0824+524 10 27 45 70.6 -66.5 2.0 90.4 51 F 1 1544 09 53 21 09 54 20 J0828+5048 10 27 45 70.7 -71.0 2.0 86.3 -9 1 1 1544 09 54 20 09 57 20 --- 10 30 45 70.2 -70.9 2.0 85.8 170 F 1 1556 09 54 20 09 57 20 J0827+5217 10 30 45 70.2 -66.5 2.0 89.8 -9 1 1 1556 09 57 20 09 58 20 =0824+524 10 31 45 70.0 -66.5 2.1 89.6 51 F 1 1559 09 57 20 09 58 50 4C39.25 10 32 15 75.2 237.9 1.1 46.7 -179 1 1 1559 09 58 50 10 04 49 --- 10 38 15 74.3 240.9 1.2 48.6 180 F 1 1583 09 59 08 10 05 19 J0827+5217 10 38 45 68.9 293.6 2.2 88.3 -11 1 1 1583 10 05 19 10 06 18 =0824+524 10 39 45 68.8 293.6 2.2 88.1 49 F 1 1587 10 05 37 10 06 18 APM08279 10 39 45 69.4 294.9 2.1 90.0 -7 1 1 1587 10 06 18 10 09 18 --- 10 42 45 68.9 294.9 2.2 89.4 172 F 1 1598 10 06 18 10 09 18 J0827+5217 10 42 45 68.3 293.7 2.2 87.6 -7 1 1 1598 10 09 18 10 10 18 =0824+524 10 43 45 68.2 293.7 2.3 87.4 53 F 1 1602 10 09 18 Schedule for VLBA_BR (Code Br ) 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 ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 10 10 18 APM08279 10 43 45 68.8 294.9 2.2 89.2 -7 1 1 1602 10 10 18 10 13 17 --- 10 46 45 68.3 294.9 2.2 88.7 172 F 1 1614 10 10 18 10 13 17 J0827+5217 10 46 45 67.7 293.7 2.3 86.8 -7 1 1 1614 10 13 17 10 14 17 =0824+524 10 47 45 67.6 293.8 2.3 86.7 53 F 1 1617 10 13 17 10 14 17 APM08279 10 47 45 68.2 294.9 2.3 88.5 -7 1 1 1617 10 14 17 10 17 17 --- 10 50 45 67.7 294.9 2.3 87.9 172 F 1 1629 10 14 17 10 17 17 J0827+5217 10 50 45 67.1 293.8 2.4 86.1 -7 1 1 1629 10 17 17 10 18 16 =0824+524 10 51 45 67.0 293.9 2.4 86.0 53 F 1 1633 10 17 17 10 18 16 APM08279 10 51 45 67.6 295.0 2.3 87.7 -7 1 1 1633 10 18 16 10 21 16 --- 10 54 45 67.1 295.0 2.4 87.2 172 F 1 1644 10 18 16 10 21 16 J0827+5217 10 54 45 66.5 293.9 2.4 85.5 -7 1 1 1644 10 21 16 10 22 16 =0824+524 10 55 45 66.4 294.0 2.5 85.3 53 F 1 1648 10 21 16 10 22 16 APM08279 10 55 45 67.0 295.0 2.4 87.0 -7 1 1 1648 10 22 16 10 25 15 --- 10 58 45 66.5 295.1 2.4 86.5 172 F 1 1660 10 22 16 10 25 15 J0827+5217 10 58 45 65.9 294.1 2.5 84.8 -7 1 1 1660 10 25 15 10 26 15 =0824+524 10 59 45 65.7 294.1 2.5 84.6 53 F 1 1664 10 25 15 10 26 15 APM08279 10 59 45 66.4 295.1 2.5 86.3 -7 1 1 1664 10 26 15 10 29 15 --- 11 02 45 65.9 295.2 2.5 85.8 172 F 1 1675 10 26 15 10 29 15 J0827+5217 11 02 45 65.3 294.2 2.6 84.1 -7 1 1 1675 10 29 15 10 30 14 =0824+524 11 03 45 65.1 294.3 2.6 84.0 53 F 1 1679 10 29 15 10 30 14 APM08279 11 03 45 65.7 295.2 2.5 85.6 -7 1 1 1679 10 30 14 10 33 14 --- 11 06 45 65.3 295.3 2.6 85.1 172 F 1 1691 10 30 14 10 33 14 J0827+5217 11 06 45 64.7 294.4 2.6 83.5 -7 1 1 1691 10 33 14 10 34 14 =0824+524 11 07 45 64.5 294.4 2.7 83.3 53 F 1 1695 10 33 14 10 34 14 APM08279 11 07 45 65.1 295.3 2.6 84.9 -7 1 1 1695 10 34 14 10 37 13 --- 11 10 45 64.7 295.4 2.6 84.4 172 F 1 1706 10 34 14 10 37 13 J0827+5217 11 10 45 64.1 294.5 2.7 82.8 -7 1 1 1706 10 37 13 10 38 13 =0824+524 11 11 45 63.9 294.6 2.7 82.7 53 F 1 1710 10 37 13 10 38 13 APM08279 11 11 45 64.5 295.5 2.7 84.2 -7 1 1 1710 10 38 13 10 41 13 --- 11 14 45 64.1 295.6 2.7 83.7 172 F 1 1722 10 38 13 Schedule for VLBA_BR (Code Br ) 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 ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 10 41 13 J0827+5217 11 14 45 63.5 294.7 2.8 82.2 -7 1 1 1722 10 41 13 10 42 13 =0824+524 11 15 45 63.3 294.8 2.8 82.0 53 F 1 1725 10 41 13 10 42 13 APM08279 11 15 45 63.9 295.6 2.7 83.6 -7 1 1 1725 10 42 13 10 45 12 --- 11 18 45 63.5 295.7 2.8 83.1 172 F 1 1737 10 42 13 10 45 12 J0827+5217 11 18 45 62.9 294.9 2.8 81.6 -7 1 1 1737 10 45 12 10 46 12 =0824+524 11 19 45 62.7 295.0 2.9 81.4 53 F 1 1741 10 45 12 10 46 12 APM08279 11 19 45 63.3 295.8 2.8 82.9 -7 1 1 1741 10 46 12 10 49 11 --- 11 22 45 62.9 295.9 2.8 82.4 172 F 1 1753 10 46 12 10 49 11 J0827+5217 11 22 45 62.3 295.1 2.9 81.0 -7 1 1 1753 10 49 11 10 50 11 =0824+524 11 23 45 62.1 295.2 2.9 80.8 53 F 1 1756 10 49 11 10 50 11 APM08279 11 23 45 62.7 296.0 2.9 82.3 -7 1 1 1756 10 50 11 10 53 11 --- 11 26 45 62.3 296.1 2.9 81.8 172 F 1 1768 10 50 11 10 53 11 J0827+5217 11 26 45 61.6 295.3 3.0 80.4 -7 1 1 1768 10 53 11 10 54 11 =0824+524 11 27 45 61.5 295.4 3.0 80.2 53 F 1 1772 10 53 11 10 54 11 APM08279 11 27 45 62.1 296.1 2.9 81.6 -7 1 1 1772 10 54 11 10 57 10 --- 11 30 45 61.7 296.3 3.0 81.2 172 F 1 1783 10 54 11 10 57 10 J0827+5217 11 30 45 61.0 295.5 3.0 79.8 -7 1 1 1783 10 57 10 10 58 10 =0824+524 11 31 45 60.9 295.6 3.1 79.6 53 F 1 1787 10 57 10 10 58 10 APM08279 11 31 45 61.5 296.3 3.0 81.0 -7 1 1 1787 10 58 10 11 01 09 --- 11 34 45 61.1 296.5 3.0 80.6 172 F 1 1799 10 58 10 11 01 09 J0827+5217 11 34 45 60.4 295.8 3.1 79.2 -7 1 1 1799 11 01 09 11 02 09 =0824+524 11 35 45 60.3 295.8 3.1 79.0 53 F 1 1803 11 01 09 11 02 09 APM08279 11 35 45 60.9 296.5 3.1 80.4 -7 1 1 1803 11 02 09 11 05 09 --- 11 38 45 60.5 296.7 3.1 79.9 172 F 1 1814 11 02 09 11 05 09 J0827+5217 11 38 45 59.8 296.0 3.2 78.6 -7 1 1 1814 11 05 09 11 06 09 =0824+524 11 39 45 59.7 296.1 3.2 78.4 53 F 1 1818 11 05 09 11 06 09 APM08279 11 39 45 60.3 296.7 3.1 79.8 -7 1 1 1818 11 06 09 11 09 08 --- 11 42 45 59.9 296.9 3.2 79.3 172 F 1 1830 11 06 09 11 09 08 J0827+5217 11 42 45 59.2 296.3 3.2 78.0 -7 1 1 1830 11 09 08 11 10 08 =0824+524 11 43 45 59.1 296.3 3.3 77.9 53 F 1 1834 11 09 08 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: br131b.set Matches group v20cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat FD filtered above 1760. SC filtered above 1740. Setup group: 9 Station: VLBA_BR 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: 9 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 21.226552 0.00 52 55 26.79664 * 52 45 17.46000 52 43 37.74682 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 06.853418 0.26 0552+398 39 48 21.94585 * 39 48 49.16500 39 49 03.76522 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 33.147016 3.48 0824+524 52 27 54.37254 * 52 17 58.29603 52 16 21.07811 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 15.130617 7.81 50 58 25.19664 * 50 48 26.51073 50 46 48.72688 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 35.982001 0.26 0923+392 39 15 23.56648 * 39 02 20.85188 39 00 07.79774 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 145.3 DA193 137.7 J0827+5217 145.7 J0828+5048 147.1 4C39.25 157.1 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