COVER INFORMATION Station: VLBA_LA (Code La ) Experiment: BP123b VLBA 6cm Spring 2004 8 hours centered 2h LST Perlman Exp. Code: BP123b Schedule Version: 1.00 Processed by SCHED version: 6.02 July 2005 PI: Eric S. Perlman Address: Joint Ctr. for Astrophysics, Physics Dept. University of Maryland, Baltimore County 1000 Hilltop Circle Baltimore, MD 21250 Phone: +1-410-455-1982 EMAIL: perlman@jca.umbc.edu (Internet) Fax: +1-410-455-1072 Phone during observation: +1-907-786-1242 Observing mode: 6cm VLBA continuum Notes: Please use all available antennas. Schedule for VLBA_LA (Code La ) Page 2 BP123b VLBA 6cm Spring 2004 8 hours centered 2h LST Perlman UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Mon 19 Dec 2005 Day 353 --- Next scan frequencies: 4960.49 4968.49 4976.49 4984.49 4992.49 5000.49 5008.49 5016.49 Next BBC frequencies: 860.49 868.49 876.49 884.49 892.49 900.49 908.49 916.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 23 17 53 WGAJ0227-08 22 07 30 14.4 112.3 -4.3 -49.4 0 1 1 0 23 17 53 23 25 51 --- 22 15 30 15.9 113.6 -4.2 -48.8 479 F 1 0 23 18 16 23 25 51 PKS0256-005 22 15 30 15.1 101.6 -4.7 -52.6 -14 1 1 0 23 25 51 23 33 50 --- 22 23 30 16.7 102.9 -4.6 -52.3 465 F 1 0 23 25 51 23 33 50 RGBJ0254+39 22 23 30 37.4 64.1 -4.5 -71.2 -48 1 1 0 23 33 50 23 41 49 --- 22 31 30 38.9 64.7 -4.4 -72.1 431 F 1 0 23 33 50 23 41 49 J0243-0550 22 31 30 17.9 111.3 -4.2 -49.4 -48 1 1 0 23 41 49 23 42 48 =0240-060 22 32 30 18.1 111.5 -4.2 -49.4 12 F 1 0 23 41 49 23 42 48 WGAJ0230-10 22 32 30 17.4 117.5 -4.0 -47.1 -10 1 1 0 23 42 48 23 45 48 --- 22 35 30 17.9 118.0 -3.9 -46.8 170 F 1 0 23 42 48 23 45 48 J0243-0550 22 35 30 18.6 112.0 -4.1 -49.1 -10 1 1 0 23 45 48 23 46 48 =0240-060 22 36 30 18.8 112.2 -4.1 -49.0 50 F 1 0 23 45 48 23 46 48 WGAJ0230-10 22 36 30 18.1 118.2 -3.9 -46.7 -10 1 1 0 23 46 48 23 49 47 --- 22 39 30 18.7 118.7 -3.8 -46.4 170 F 1 0 23 46 48 23 49 47 J0243-0550 22 39 30 19.4 112.7 -4.1 -48.8 -10 1 1 0 23 49 47 23 50 47 =0240-060 22 40 30 19.6 112.9 -4.1 -48.7 50 F 1 0 23 49 47 23 50 47 WGAJ0230-10 22 40 30 18.8 118.9 -3.8 -46.3 -10 1 1 0 23 50 47 23 53 47 --- 22 43 30 19.4 119.4 -3.8 -46.0 170 F 1 0 23 50 47 23 53 47 J0243-0550 22 43 30 20.1 113.4 -4.0 -48.5 -10 1 1 0 23 53 47 23 54 46 =0240-060 22 44 30 20.3 113.6 -4.0 -48.4 50 F 1 0 23 53 47 23 54 46 J0301+0118 22 44 30 21.4 104.6 -4.3 -51.8 -12 1 1 0 23 54 46 23 55 46 =0258+011 22 45 30 21.6 104.8 -4.3 -51.7 48 F 1 0 23 54 46 23 55 46 WGAJ0304+00 22 45 30 20.1 105.2 -4.3 -51.5 -9 1 1 0 23 55 46 23 58 46 --- 22 48 30 20.7 105.7 -4.3 -51.3 171 F 1 0 23 55 46 Schedule for VLBA_LA (Code La ) Page 3 BP123b VLBA 6cm Spring 2004 8 hours centered 2h LST Perlman UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Mon 19 Dec 2005 Day 353 --- 23 58 46 J0301+0118 22 48 30 22.2 105.3 -4.2 -51.5 -9 1 1 0 23 58 46 23 59 46 =0258+011 22 49 30 22.4 105.4 -4.2 -51.5 51 F 1 0 23 58 46 --- Start: Mon 19 Dec 2005 Day 353 -- Stop: Tue 20 Dec 2005 Day 354 --- 23 59 46 WGAJ0304+00 22 49 30 20.9 105.9 -4.3 -51.3 -9 1 1 0 23 59 46 00 02 45 --- 22 52 30 21.5 106.4 -4.2 -51.1 171 F 1 0 23 59 46 00 02 45 J0301+0118 22 52 30 23.0 105.9 -4.2 -51.3 -9 1 1 0 00 02 45 00 03 45 =0258+011 22 53 30 23.2 106.1 -4.1 -51.2 51 F 1 0 00 02 45 00 03 45 WGAJ0304+00 22 53 30 21.7 106.6 -4.2 -51.0 -9 1 1 0 00 03 45 00 06 45 --- 22 56 30 22.3 107.1 -4.1 -50.9 171 F 1 0 00 03 45 00 06 45 J0301+0118 22 56 30 23.8 106.6 -4.1 -51.0 -9 1 1 0 00 06 45 00 07 44 =0258+011 22 57 30 24.0 106.8 -4.1 -51.0 51 F 1 0 00 06 45 00 09 44 J2253+16 22 59 30 70.4 183.8 0.1 3.2 21 1 1 0 00 09 44 00 14 43 --- 23 04 30 70.3 187.3 0.2 6.2 299 F 1 0 00 10 07 00 14 43 WGAJ0227-08 23 04 30 24.7 122.5 -3.4 -43.8 -97 1 1 0 00 14 43 00 22 42 --- 23 12 30 26.0 124.1 -3.3 -42.8 381 F 1 0 00 14 43 00 22 42 PKS0256-005 23 12 30 26.2 111.2 -3.8 -49.2 -15 1 1 0 00 22 42 00 30 41 --- 23 20 30 27.7 112.7 -3.7 -48.5 464 F 1 0 00 22 42 00 30 41 RGBJ0254+39 23 20 30 48.0 68.1 -3.6 -77.5 -47 1 1 0 00 30 41 00 38 39 --- 23 28 30 49.5 68.6 -3.4 -78.4 432 F 1 0 00 30 41 00 38 39 WGAJ0447-03 23 28 30 6.2 98.7 -5.3 -53.5 -93 1 1 0 00 38 39 00 48 18 --- 23 38 10 8.1 100.1 -5.2 -53.1 486 F 1 0 00 38 39 00 48 18 J0243-0550 23 38 10 29.9 123.9 -3.1 -42.6 -50 1 1 0 00 48 18 00 49 18 =0240-060 23 39 10 30.0 124.1 -3.1 -42.5 10 F 1 0 00 48 18 00 49 18 WGAJ0230-10 23 39 10 28.6 130.5 -2.9 -38.9 -10 1 1 0 00 49 18 00 52 17 --- 23 42 10 29.1 131.1 -2.8 -38.4 169 F 1 0 00 49 18 00 52 17 J0243-0550 23 42 10 30.5 124.8 -3.0 -42.1 -10 1 1 0 00 52 17 00 53 17 =0240-060 23 43 10 30.7 125.0 -3.0 -41.9 50 F 1 0 00 52 17 00 53 17 WGAJ0230-10 23 43 10 29.2 131.3 -2.8 -38.3 -10 1 1 0 00 53 17 00 56 16 --- 23 46 10 29.7 132.0 -2.7 -37.8 169 F 1 0 00 53 17 Schedule for VLBA_LA (Code La ) Page 4 BP123b VLBA 6cm Spring 2004 8 hours centered 2h LST Perlman UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 20 Dec 2005 Day 354 --- 00 56 16 J0243-0550 23 46 10 31.2 125.6 -3.0 -41.5 -10 1 1 0 00 56 16 00 57 16 =0240-060 23 47 10 31.4 125.8 -2.9 -41.4 50 F 1 0 00 56 16 00 57 16 WGAJ0230-10 23 47 10 29.8 132.2 -2.7 -37.7 -10 1 1 0 00 57 16 01 00 16 --- 23 50 10 30.3 132.9 -2.7 -37.2 169 F 1 0 00 57 16 01 00 16 J0243-0550 23 50 10 31.9 126.5 -2.9 -41.0 -10 1 1 0 01 00 16 01 01 16 =0240-060 23 51 10 32.0 126.7 -2.9 -40.8 50 F 1 0 01 00 16 01 01 16 J0301+0118 23 51 10 34.1 116.9 -3.2 -46.4 -13 1 1 0 01 01 16 01 02 15 =0258+011 23 52 10 34.2 117.1 -3.2 -46.2 47 F 1 0 01 01 16 01 02 15 WGAJ0304+00 23 52 10 32.7 117.5 -3.2 -46.0 -9 1 1 0 01 02 15 01 05 15 --- 23 55 10 33.3 118.1 -3.2 -45.7 170 F 1 0 01 02 15 01 05 15 J0301+0118 23 55 10 34.8 117.7 -3.1 -45.9 -9 1 1 0 01 05 15 01 06 15 =0258+011 23 56 10 35.0 118.0 -3.1 -45.8 51 F 1 0 01 05 15 01 06 15 WGAJ0304+00 23 56 10 33.4 118.3 -3.2 -45.6 -9 1 1 0 01 06 15 01 09 14 --- 23 59 10 34.0 118.9 -3.1 -45.2 170 F 1 0 01 06 15 01 09 14 J0301+0118 23 59 10 35.5 118.6 -3.0 -45.4 -9 1 1 0 01 09 14 01 10 14 =0258+011 00 00 10 35.7 118.8 -3.0 -45.3 51 F 1 0 01 09 14 01 10 14 WGAJ0304+00 00 00 10 34.2 119.1 -3.1 -45.1 -9 1 1 0 01 10 14 01 13 14 --- 00 03 10 34.7 119.8 -3.0 -44.8 170 F 1 0 01 10 14 01 13 14 J0301+0118 00 03 10 36.2 119.5 -3.0 -45.0 -9 1 1 0 01 13 14 01 14 13 =0258+011 00 04 10 36.4 119.7 -3.0 -44.8 51 F 1 0 01 13 14 01 14 13 WGAJ0227-08 00 04 10 34.1 135.6 -2.4 -35.1 -17 1 1 0 01 14 13 01 22 12 --- 00 12 10 35.2 137.6 -2.3 -33.6 462 F 1 0 01 14 13 01 22 12 PKS0256-005 00 12 10 36.9 123.3 -2.8 -42.7 -15 1 1 0 01 22 12 01 30 11 --- 00 20 10 38.3 125.2 -2.7 -41.5 463 F 1 0 01 22 12 01 30 11 RGBJ0254+39 00 20 10 59.3 71.1 -2.6 -84.6 -48 1 1 0 01 30 11 01 38 10 --- 00 28 10 60.9 71.4 -2.4 -85.7 431 F 1 0 01 30 11 01 38 10 WGAJ0447-03 00 28 10 17.9 108.0 -4.3 -50.6 -92 1 1 0 01 38 10 01 47 48 --- 00 37 50 19.8 109.6 -4.2 -49.9 487 F 1 0 01 38 10 Schedule for VLBA_LA (Code La ) Page 5 BP123b VLBA 6cm Spring 2004 8 hours centered 2h LST Perlman UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 20 Dec 2005 Day 354 --- 01 47 48 J0243-0550 00 37 50 39.0 138.1 -2.1 -33.0 -44 1 1 0 01 47 48 01 48 48 =0240-060 00 38 50 39.1 138.4 -2.1 -32.8 15 F 1 0 01 47 48 01 48 48 WGAJ0230-10 00 38 50 36.8 145.0 -1.9 -28.3 -11 1 1 0 01 48 48 01 51 47 --- 00 41 50 37.1 145.8 -1.8 -27.6 169 F 1 0 01 48 48 01 51 47 J0243-0550 00 41 50 39.5 139.2 -2.0 -32.2 -11 1 1 0 01 51 47 01 52 47 =0240-060 00 42 50 39.7 139.5 -2.0 -32.0 49 F 1 0 01 51 47 01 52 47 WGAJ0230-10 00 42 50 37.2 146.1 -1.8 -27.4 -11 1 1 0 01 52 47 01 55 47 --- 00 45 50 37.6 146.9 -1.7 -26.8 169 F 1 0 01 52 47 01 55 47 J0243-0550 00 45 50 40.1 140.3 -2.0 -31.4 -11 1 1 0 01 55 47 01 56 46 =0240-060 00 46 50 40.2 140.6 -1.9 -31.2 49 F 1 0 01 55 47 01 56 46 WGAJ0230-10 00 46 50 37.7 147.2 -1.7 -26.6 -11 1 1 0 01 56 46 01 59 46 --- 00 49 50 38.0 148.0 -1.7 -25.9 168 F 1 0 01 56 46 01 59 46 J0243-0550 00 49 50 40.6 141.4 -1.9 -30.6 -11 1 1 0 01 59 46 02 00 46 =0240-060 00 50 50 40.7 141.7 -1.9 -30.4 49 F 1 0 01 59 46 02 00 46 J0301+0118 00 50 50 44.1 131.2 -2.2 -37.6 -13 1 1 0 02 00 46 02 01 46 =0258+011 00 51 50 44.3 131.5 -2.2 -37.5 47 F 1 0 02 00 46 02 01 46 WGAJ0304+00 00 51 50 42.7 131.5 -2.2 -37.4 -9 1 1 0 02 01 46 02 04 45 --- 00 54 50 43.2 132.4 -2.2 -36.8 170 F 1 0 02 01 46 02 04 45 J0301+0118 00 54 50 44.7 132.3 -2.1 -36.9 -9 1 1 0 02 04 45 02 05 45 =0258+011 00 55 50 44.9 132.6 -2.1 -36.7 51 F 1 0 02 04 45 02 05 45 WGAJ0304+00 00 55 50 43.3 132.6 -2.2 -36.6 -9 1 1 0 02 05 45 02 08 44 --- 00 58 50 43.8 133.5 -2.1 -36.1 170 F 1 0 02 05 45 02 08 44 J0301+0118 00 58 50 45.3 133.4 -2.0 -36.1 -9 1 1 0 02 08 44 02 09 44 =0258+011 00 59 50 45.5 133.7 -2.0 -35.9 51 F 1 0 02 08 44 02 09 44 WGAJ0304+00 00 59 50 43.9 133.7 -2.1 -35.9 -9 1 1 0 02 09 44 02 12 44 --- 01 02 50 44.3 134.6 -2.0 -35.3 170 F 1 0 02 09 44 02 12 44 J0301+0118 01 02 50 45.9 134.6 -2.0 -35.3 -9 1 1 0 02 12 44 02 13 44 =0258+011 01 03 50 46.0 134.9 -2.0 -35.1 51 F 1 0 02 12 44 Schedule for VLBA_LA (Code La ) Page 6 BP123b VLBA 6cm Spring 2004 8 hours centered 2h LST Perlman UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 20 Dec 2005 Day 354 --- 02 15 43 J2253+16 01 05 50 54.8 244.8 2.2 49.9 40 1 1 0 02 15 43 02 20 43 --- 01 10 50 53.9 246.1 2.3 50.6 299 F 1 0 02 16 06 02 20 43 WGAJ0227-08 01 10 50 41.9 154.0 -1.3 -21.1 -67 1 1 0 02 20 43 02 28 41 --- 01 18 50 42.6 156.5 -1.2 -19.1 411 F 1 0 02 20 43 02 28 41 PKS0256-005 01 18 50 46.9 141.3 -1.7 -30.4 -16 1 1 0 02 28 41 02 36 40 --- 01 26 50 47.9 143.9 -1.5 -28.5 463 F 1 0 02 28 41 02 36 40 RGBJ0254+39 01 26 50 72.2 71.1 -1.5 -95.3 -55 1 1 0 02 36 40 02 44 39 --- 01 34 50 73.7 70.6 -1.3 -97.1 424 F 1 0 02 36 40 02 44 39 WGAJ0447-03 01 34 50 30.3 120.3 -3.2 -44.6 -93 1 1 0 02 44 39 02 54 17 --- 01 44 30 31.9 122.3 -3.1 -43.4 486 F 1 0 02 44 39 02 54 17 J0243-0550 01 44 30 46.2 158.5 -1.0 -17.4 -34 1 1 0 02 54 17 02 55 17 =0240-060 01 45 30 46.2 158.9 -1.0 -17.1 25 F 1 0 02 54 17 02 55 17 WGAJ0230-10 01 45 30 42.5 165.0 -0.7 -12.3 -13 1 1 0 02 55 17 02 58 16 --- 01 48 30 42.7 166.0 -0.7 -11.5 166 F 1 0 02 55 17 02 58 16 J0243-0550 01 48 30 46.4 159.9 -0.9 -16.3 -14 1 1 0 02 58 16 02 59 16 =0240-060 01 49 30 46.5 160.3 -0.9 -16.0 46 F 1 0 02 58 16 02 59 16 WGAJ0230-10 01 49 30 42.7 166.3 -0.7 -11.3 -14 1 1 0 02 59 16 03 02 16 --- 01 52 30 42.9 167.3 -0.6 -10.5 166 F 1 0 02 59 16 03 02 16 J0243-0550 01 52 30 46.7 161.3 -0.9 -15.1 -14 1 1 0 03 02 16 03 03 16 =0240-060 01 53 30 46.8 161.7 -0.8 -14.9 46 F 1 0 03 02 16 03 03 16 WGAJ0230-10 01 53 30 42.9 167.6 -0.6 -10.2 -14 1 1 0 03 03 16 03 06 15 --- 01 56 30 43.0 168.6 -0.6 -9.4 166 F 1 0 03 03 16 03 06 15 J0243-0550 01 56 30 47.0 162.7 -0.8 -14.0 -14 1 1 0 03 06 15 03 07 15 =0240-060 01 57 30 47.0 163.1 -0.8 -13.7 46 F 1 0 03 06 15 03 07 15 J0301+0118 01 57 30 52.5 153.0 -1.1 -21.6 -17 1 1 0 03 07 15 03 08 15 =0258+011 01 58 30 52.6 153.4 -1.1 -21.3 43 F 1 0 03 07 15 03 08 15 WGAJ0304+00 01 58 30 51.1 152.8 -1.1 -21.8 -9 1 1 0 03 08 15 03 11 14 --- 02 01 30 51.3 153.9 -1.1 -20.9 170 F 1 0 03 08 15 Schedule for VLBA_LA (Code La ) Page 7 BP123b VLBA 6cm Spring 2004 8 hours centered 2h LST Perlman UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 20 Dec 2005 Day 354 --- 03 11 14 J0301+0118 02 01 30 52.8 154.5 -1.0 -20.4 -9 1 1 0 03 11 14 03 12 14 =0258+011 02 02 30 52.9 154.9 -1.0 -20.1 51 F 1 0 03 11 14 03 12 14 WGAJ0304+00 02 02 30 51.4 154.3 -1.0 -20.6 -9 1 1 0 03 12 14 03 15 14 --- 02 05 30 51.7 155.4 -1.0 -19.7 171 F 1 0 03 12 14 03 15 14 J0301+0118 02 05 30 53.2 156.1 -0.9 -19.2 -9 1 1 0 03 15 14 03 16 13 =0258+011 02 06 30 53.3 156.5 -0.9 -18.9 51 F 1 0 03 15 14 03 16 13 WGAJ0304+00 02 06 30 51.8 155.8 -1.0 -19.4 -9 1 1 0 03 16 13 03 19 13 --- 02 09 30 52.0 156.9 -0.9 -18.5 171 F 1 0 03 16 13 03 19 13 J0301+0118 02 09 30 53.5 157.7 -0.9 -17.9 -9 1 1 0 03 19 13 03 20 13 =0258+011 02 10 30 53.6 158.1 -0.9 -17.6 51 F 1 0 03 19 13 03 20 13 WGAJ0227-08 02 10 30 45.3 173.9 -0.3 -5.0 -23 1 1 0 03 20 13 03 28 11 --- 02 18 30 45.4 176.7 -0.2 -2.7 456 F 1 0 03 20 13 03 28 11 PKS0256-005 02 18 30 52.7 162.8 -0.7 -13.9 -21 1 1 0 03 28 11 03 36 10 --- 02 26 30 53.1 166.0 -0.6 -11.3 458 F 1 0 03 28 11 03 36 10 RGBJ0254+39 02 26 30 83.2 54.1 -0.5 -121.5 -81 1 1 0 03 36 10 03 44 09 --- 02 34 30 84.4 45.6 -0.3 -131.2 398 F 1 0 03 36 10 03 44 09 WGAJ0447-03 02 34 30 39.9 134.2 -2.2 -35.6 -95 1 1 0 03 44 09 03 53 47 --- 02 44 10 41.3 136.8 -2.1 -33.8 483 F 1 0 03 44 09 03 53 47 J0243-0550 02 44 10 48.4 180.2 0.0 0.2 -35 1 1 0 03 53 47 03 54 47 =0240-060 02 45 10 48.4 180.6 0.0 0.5 25 F 1 0 03 53 47 03 54 47 WGAJ0230-10 02 45 10 43.6 185.0 0.2 4.2 -16 1 1 0 03 54 47 03 57 47 --- 02 48 10 43.5 186.1 0.3 5.0 164 F 1 0 03 54 47 03 57 47 J0243-0550 02 48 10 48.4 181.7 0.1 1.4 -16 1 1 0 03 57 47 03 58 46 =0240-060 02 49 10 48.4 182.1 0.1 1.7 44 F 1 0 03 57 47 03 58 46 WGAJ0230-10 02 49 10 43.5 186.4 0.3 5.3 -16 1 1 0 03 58 46 04 01 46 --- 02 52 10 43.4 187.4 0.4 6.1 164 F 1 0 03 58 46 04 01 46 J0243-0550 02 52 10 48.4 183.2 0.1 2.6 -16 1 1 0 04 01 46 04 02 46 =0240-060 02 53 10 48.3 183.6 0.2 2.9 44 F 1 0 04 01 46 Schedule for VLBA_LA (Code La ) Page 8 BP123b VLBA 6cm Spring 2004 8 hours centered 2h LST Perlman UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 20 Dec 2005 Day 354 --- 04 02 46 WGAJ0230-10 02 53 10 43.4 187.7 0.4 6.4 -16 1 1 0 04 02 46 04 05 45 --- 02 56 10 43.3 188.8 0.4 7.2 164 F 1 0 04 02 46 04 05 45 J0243-0550 02 56 10 48.3 184.7 0.2 3.9 -16 1 1 0 04 05 45 04 06 45 =0240-060 02 57 10 48.3 185.1 0.2 4.2 44 F 1 0 04 05 45 04 06 45 J0301+0118 02 57 10 55.5 178.0 -0.1 -1.6 -21 1 1 0 04 06 45 04 07 45 =0258+011 02 58 10 55.5 178.4 -0.1 -1.3 39 F 1 0 04 06 45 04 07 45 WGAJ0304+00 02 58 10 54.3 176.9 -0.1 -2.5 -9 1 1 0 04 07 45 04 10 44 --- 03 01 10 54.3 178.2 -0.1 -1.4 171 F 1 0 04 07 45 04 10 44 J0301+0118 03 01 10 55.6 179.8 0.0 -0.2 -9 1 1 0 04 10 44 04 11 44 =0258+011 03 02 10 55.6 180.2 0.0 0.2 51 F 1 0 04 10 44 04 11 44 WGAJ0304+00 03 02 10 54.3 178.7 -0.1 -1.1 -9 1 1 0 04 11 44 04 14 44 --- 03 05 10 54.3 179.9 0.0 0.0 171 F 1 0 04 11 44 04 14 44 J0301+0118 03 05 10 55.6 181.5 0.1 1.2 -9 1 1 0 04 14 44 04 15 44 =0258+011 03 06 10 55.5 182.0 0.1 1.6 51 F 1 0 04 14 44 04 15 44 WGAJ0304+00 03 06 10 54.3 180.4 0.0 0.3 -9 1 1 0 04 15 44 04 18 43 --- 03 09 10 54.3 181.7 0.1 1.3 171 F 1 0 04 15 44 04 18 43 J0301+0118 03 09 10 55.5 183.3 0.1 2.7 -8 1 1 0 04 18 43 04 19 43 =0258+011 03 10 10 55.5 183.7 0.1 3.0 51 F 1 0 04 18 43 04 21 43 J0237+28 03 12 10 80.0 228.3 0.6 43.7 65 1 1 0 04 21 43 04 26 42 --- 03 17 10 79.2 232.5 0.6 47.3 299 F 1 0 04 22 06 04 26 42 WGAJ0227-08 03 17 10 44.0 197.0 0.8 13.9 -77 1 1 0 04 26 42 04 34 41 --- 03 25 10 43.4 199.7 1.0 16.1 402 F 1 0 04 26 42 04 34 41 PKS0256-005 03 25 10 53.4 190.7 0.4 8.7 -26 1 1 0 04 34 41 04 42 39 --- 03 33 10 53.1 194.0 0.6 11.3 453 F 1 0 04 34 41 04 42 39 RGBJ0254+39 03 33 10 81.6 299.5 0.6 113.7 -76 1 1 0 04 42 39 04 50 38 --- 03 41 10 80.1 296.0 0.8 108.9 402 F 1 0 04 42 39 04 50 38 WGAJ0447-03 03 41 10 47.8 154.6 -1.1 -20.4 -100 1 1 0 04 50 38 05 00 16 --- 03 50 50 48.6 158.0 -1.0 -17.7 478 F 1 0 04 50 38 Schedule for VLBA_LA (Code La ) Page 9 BP123b VLBA 6cm Spring 2004 8 hours centered 2h LST Perlman UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 20 Dec 2005 Day 354 --- 05 00 16 J0243-0550 03 50 50 45.5 204.3 1.1 19.6 -37 1 1 0 05 00 16 05 01 16 =0240-060 03 51 50 45.4 204.6 1.1 19.8 23 F 1 0 05 00 16 05 01 16 WGAJ0230-10 03 51 50 39.9 206.5 1.4 21.6 -17 1 1 0 05 01 16 05 04 16 --- 03 54 50 39.6 207.4 1.4 22.3 162 F 1 0 05 01 16 05 04 16 J0243-0550 03 54 50 45.2 205.6 1.2 20.6 -17 1 1 0 05 04 16 05 05 15 =0240-060 03 55 50 45.1 205.9 1.2 20.9 43 F 1 0 05 04 16 05 05 15 WGAJ0230-10 03 55 50 39.5 207.7 1.4 22.5 -17 1 1 0 05 05 15 05 08 15 --- 03 58 50 39.2 208.6 1.5 23.2 162 F 1 0 05 05 15 05 08 15 J0243-0550 03 58 50 44.8 206.9 1.3 21.7 -17 1 1 0 05 08 15 05 09 15 =0240-060 03 59 50 44.7 207.2 1.3 21.9 43 F 1 0 05 08 15 05 09 15 WGAJ0230-10 03 59 50 39.1 208.9 1.5 23.5 -17 1 1 0 05 09 15 05 12 14 --- 04 02 50 38.8 209.7 1.5 24.2 162 F 1 0 05 09 15 05 12 14 J0243-0550 04 02 50 44.4 208.2 1.3 22.7 -17 1 1 0 05 12 14 05 13 14 =0240-060 04 03 50 44.3 208.5 1.3 22.9 43 F 1 0 05 12 14 05 13 14 J0301+0118 04 03 50 52.7 206.2 1.0 21.0 -23 1 1 0 05 13 14 05 14 14 =0258+011 04 04 50 52.6 206.6 1.1 21.3 37 F 1 0 05 13 14 05 14 14 WGAJ0304+00 04 04 50 51.7 204.5 1.0 19.6 -8 1 1 0 05 14 14 05 17 14 --- 04 07 50 51.4 205.6 1.0 20.5 172 F 1 0 05 14 14 05 17 14 J0301+0118 04 07 50 52.3 207.7 1.1 22.2 -8 1 1 0 05 17 14 05 18 13 =0258+011 04 08 50 52.2 208.1 1.1 22.5 52 F 1 0 05 17 14 05 18 13 WGAJ0304+00 04 08 50 51.4 206.0 1.1 20.8 -8 1 1 0 05 18 13 05 21 13 --- 04 11 50 51.1 207.1 1.1 21.7 172 F 1 0 05 18 13 05 21 13 J0301+0118 04 11 50 51.9 209.2 1.2 23.3 -8 1 1 0 05 21 13 05 22 13 =0258+011 04 12 50 51.8 209.6 1.2 23.6 52 F 1 0 05 21 13 05 22 13 WGAJ0304+00 04 12 50 51.0 207.5 1.1 22.0 -8 1 1 0 05 22 13 05 25 12 --- 04 15 50 50.7 208.6 1.2 22.8 172 F 1 0 05 22 13 05 25 12 J0301+0118 04 15 50 51.5 210.7 1.2 24.5 -8 1 1 0 05 25 12 05 26 12 =0258+011 04 16 50 51.4 211.1 1.3 24.7 52 F 1 0 05 25 12 Schedule for VLBA_LA (Code La ) Page 10 BP123b VLBA 6cm Spring 2004 8 hours centered 2h LST Perlman UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 20 Dec 2005 Day 354 --- 05 26 12 WGAJ0227-08 04 16 50 38.6 215.4 1.8 28.4 -32 1 1 0 05 26 12 05 34 11 --- 04 24 50 37.6 217.6 1.9 30.0 447 F 1 0 05 26 12 05 34 11 PKS0256-005 04 24 50 48.8 213.4 1.4 26.6 -28 1 1 0 05 34 11 05 42 09 --- 04 32 50 47.9 216.1 1.6 28.6 450 F 1 0 05 34 11 05 42 09 RGBJ0254+39 04 32 50 70.4 288.4 1.6 93.4 -54 1 1 0 05 42 09 05 50 08 --- 04 40 50 68.8 288.2 1.8 91.9 424 F 1 0 05 42 09 05 50 08 WGAJ0447-03 04 40 50 50.8 177.1 -0.1 -2.4 -80 1 1 0 05 50 08 05 59 47 --- 04 50 30 50.9 180.9 0.0 0.7 498 F 1 0 05 50 08 05 59 47 J0243-0550 04 50 30 38.8 222.2 2.1 33.2 -34 1 1 0 05 59 47 06 00 46 =0240-060 04 51 30 38.7 222.5 2.1 33.4 26 F 1 0 05 59 47 06 00 46 WGAJ0230-10 04 51 30 33.0 222.6 2.4 34.0 -17 1 1 0 06 00 46 06 03 46 --- 04 54 30 32.6 223.4 2.4 34.5 162 F 1 0 06 00 46 06 03 46 J0243-0550 04 54 30 38.3 223.3 2.2 34.0 -17 1 1 0 06 03 46 06 04 46 =0240-060 04 55 30 38.1 223.5 2.2 34.2 42 F 1 0 06 03 46 06 04 46 WGAJ0230-10 04 55 30 32.4 223.6 2.4 34.7 -17 1 1 0 06 04 46 06 07 45 --- 04 58 30 32.0 224.3 2.5 35.2 162 F 1 0 06 04 46 06 07 45 J0243-0550 04 58 30 37.7 224.3 2.2 34.7 -17 1 1 0 06 07 45 06 08 45 =0240-060 04 59 30 37.6 224.6 2.3 34.9 42 F 1 0 06 07 45 06 08 45 WGAJ0230-10 04 59 30 31.9 224.6 2.5 35.4 -17 1 1 0 06 08 45 06 11 45 --- 05 02 30 31.4 225.3 2.5 35.9 162 F 1 0 06 08 45 06 11 45 J0243-0550 05 02 30 37.2 225.3 2.3 35.5 -17 1 1 0 06 11 45 06 12 44 =0240-060 05 03 30 37.0 225.6 2.3 35.6 42 F 1 0 06 11 45 06 12 44 J0301+0118 05 03 30 45.5 226.2 2.0 35.9 -23 1 1 0 06 12 44 06 13 44 =0258+011 05 04 30 45.3 226.5 2.0 36.1 37 F 1 0 06 12 44 06 13 44 WGAJ0304+00 05 04 30 44.8 224.5 2.0 34.6 -7 1 1 0 06 13 44 06 16 44 --- 05 07 30 44.4 225.3 2.0 35.2 172 F 1 0 06 13 44 06 16 44 J0301+0118 05 07 30 44.9 227.4 2.1 36.7 -7 1 1 0 06 16 44 06 17 44 =0258+011 05 08 30 44.7 227.7 2.1 36.9 53 F 1 0 06 16 44 Schedule for VLBA_LA (Code La ) Page 11 BP123b VLBA 6cm Spring 2004 8 hours centered 2h LST Perlman UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 20 Dec 2005 Day 354 --- 06 17 44 WGAJ0304+00 05 08 30 44.2 225.6 2.1 35.4 -7 1 1 0 06 17 44 06 20 43 --- 05 11 30 43.8 226.5 2.1 36.0 172 F 1 0 06 17 44 06 20 43 J0301+0118 05 11 30 44.3 228.5 2.2 37.4 -7 1 1 0 06 20 43 06 21 43 =0258+011 05 12 30 44.1 228.8 2.2 37.6 53 F 1 0 06 20 43 06 21 43 WGAJ0304+00 05 12 30 43.6 226.7 2.1 36.2 -7 1 1 0 06 21 43 06 24 42 --- 05 15 30 43.2 227.6 2.2 36.8 172 F 1 0 06 21 43 06 24 42 J0301+0118 05 15 30 43.7 229.6 2.2 38.2 -7 1 1 0 06 24 42 06 25 42 =0258+011 05 16 30 43.5 229.9 2.2 38.4 53 F 1 0 06 24 42 06 27 42 J0237+28 05 18 30 55.7 269.9 2.7 67.8 87 1 1 0 06 27 42 06 32 41 --- 05 23 30 54.7 270.7 2.8 67.8 299 F 1 0 06 28 05 06 32 41 WGAJ0227-08 05 23 30 29.2 231.8 2.9 40.2 -57 1 1 0 06 32 41 06 40 40 --- 05 31 30 27.9 233.5 3.1 41.3 422 F 1 0 06 32 41 06 40 40 PKS0256-005 05 31 30 39.6 232.9 2.5 40.3 -29 1 1 0 06 40 40 06 48 39 --- 05 39 30 38.2 234.8 2.7 41.5 449 F 1 0 06 40 40 06 48 39 RGBJ0254+39 05 39 30 57.5 289.2 2.7 83.4 -45 1 1 0 06 48 39 06 56 37 --- 05 47 30 56.0 289.6 2.9 82.4 434 F 1 0 06 48 39 06 56 37 WGAJ0447-03 05 47 30 48.5 202.6 1.0 18.2 -64 1 1 0 06 56 37 07 06 16 --- 05 57 10 47.7 206.0 1.1 20.9 514 F 1 0 06 56 37 07 06 16 J0243-0550 05 57 10 28.5 237.8 3.2 43.6 -44 1 1 0 07 06 16 07 07 15 =0240-060 05 58 10 28.3 238.0 3.2 43.8 15 F 1 0 07 06 16 07 07 15 WGAJ0230-10 05 58 10 22.6 237.1 3.5 43.8 -17 1 1 0 07 07 15 07 10 15 --- 06 01 10 22.1 237.6 3.5 44.2 162 F 1 0 07 07 15 07 10 15 J0243-0550 06 01 10 27.8 238.6 3.3 44.1 -17 1 1 0 07 10 15 07 11 15 =0240-060 06 02 10 27.6 238.8 3.3 44.2 43 F 1 0 07 10 15 07 11 15 WGAJ0230-10 06 02 10 22.0 237.8 3.5 44.3 -17 1 1 0 07 11 15 07 14 14 --- 06 05 10 21.4 238.4 3.6 44.6 162 F 1 0 07 11 15 07 14 14 J0243-0550 06 05 10 27.1 239.4 3.4 44.6 -17 1 1 0 07 14 14 07 15 14 =0240-060 06 06 10 26.9 239.6 3.4 44.7 43 F 1 0 07 14 14 Schedule for VLBA_LA (Code La ) Page 12 BP123b VLBA 6cm Spring 2004 8 hours centered 2h LST Perlman UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 20 Dec 2005 Day 354 --- 07 15 14 WGAJ0230-10 06 06 10 21.3 238.6 3.6 44.8 -17 1 1 0 07 15 14 07 18 14 --- 06 09 10 20.8 239.1 3.6 45.1 162 F 1 0 07 15 14 07 18 14 J0243-0550 06 09 10 26.4 240.2 3.4 45.1 -17 1 1 0 07 18 14 07 19 13 =0240-060 06 10 10 26.2 240.4 3.4 45.2 43 F 1 0 07 18 14 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: /home/filehost/cwalker/sched/setups/v6cm-128-8-1-L.set Matches group v6cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 5 Station: VLBA_LA Total bit rate: 128 Format: VLBA1:4 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Speedup factor: 2.00 Disk used to record data. 1st LO= 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 Net SB= U U U U U U U U Pol. = LCP LCP LCP LCP LCP LCP LCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= U U U U U U U U IF = C C C C C C C C VLBA FE= 6cm omit 6cm omit VLBA Synth= 15.4 4.1 15.4 The following frequency sets based on this setup were used. Frequency Set: 5 Setup file default. Used pcal sets: 1 LO sum= 4960.49 4968.49 4976.49 4984.49 4992.49 5000.49 5008.49 5016.49 BBC fr= 860.49 868.49 876.49 884.49 892.49 900.49 908.49 916.49 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 510 510 510 510 6510 6510 6510 6510 PCALFR2= 510 510 510 510 6510 6510 6510 6510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_off SOURCE LIST -- BP123b VLBA 6cm Spring 2004 8 hours centered 2h LST Perlman 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) * WGAJ0227-08 02 25 04.559482 * 02 27 32.070000 02 27 50.463218 0.00 -09 01 37.05336 *-08 48 12.20000 -08 46 34.63371 0.00 From catalog imbedded in main SCHED input file. 1.064 scan hours, 35.544 baseline hours above horizon. * WGAJ0230-10 02 27 33.276460 * 02 29 59.450000 02 30 17.713652 0.00 -10 44 35.88628 *-10 31 17.50000 -10 29 41.08801 0.00 From catalog imbedded in main SCHED input file. 1.197 scan hours, 43.016 baseline hours above horizon. * RGBJ0254+39 02 51 31.225559 * 02 54 42.630000 02 55 06.267305 0.00 39 19 25.28253 * 39 31 34.70000 39 33 15.69386 0.00 From catalog imbedded in main SCHED input file. 1.064 scan hours, 39.842 baseline hours above horizon. * PKS0256-005 02 56 55.110925 * 02 59 28.510000 02 59 47.671284 0.00 -00 31 54.19977 *-00 20 00.00000 -00 18 29.94647 0.00 From catalog imbedded in main SCHED input file. 1.064 scan hours, 40.212 baseline hours above horizon. * WGAJ0447-03 04 45 24.807114 * 04 47 54.760000 04 48 13.845281 0.00 -03 27 58.47104 *-03 22 43.20000 -03 21 58.70575 0.00 From catalog imbedded in main SCHED input file. 1.125 scan hours, 35.979 baseline hours above horizon. * WGAJ0304+00 03 02 25.272443 * 03 04 58.980000 03 05 18.198139 0.00 -00 09 01.40617 * 00 02 35.70000 00 04 03.95365 0.00 From catalog imbedded in main SCHED input file. 1.047 scan hours, 42.283 baseline hours above horizon. J0237+2848 02 34 55.589591 * 02 37 52.405678 02 38 14.158295 0.23 0234+285 28 35 11.40780 * 28 48 08.99005 28 49 53.57313 0.40 * J0237+28 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.166 scan hours, 7.480 baseline hours above horizon. * J0243-0550 02 40 43.239984 * 02 43 12.469464 02 43 31.109446 0.24 0240-060 -06 03 37.48528 *-05 50 55.29587 -05 49 21.44033 0.43 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.532 scan hours, 13.361 baseline hours above horizon. * J0301+0118 02 58 48.854653 * 03 01 23.606977 03 01 42.926276 1.71 0258+011 01 06 47.68059 * 01 18 35.99782 01 20 05.80576 2.09 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.465 scan hours, 16.027 baseline hours above horizon. J2253+1608 22 51 29.519743 * 22 53 57.747942 22 54 14.754193 0.31 2251+158 15 52 54.34803 * 16 08 53.56086 16 10 50.67613 0.20 3C454.3 /home/filehost/cwalker/sched/catalogs/sources.vlba * J2253+16 VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.166 scan hours, 7.449 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) WGAJ0227-08 120.5 WGAJ0230-10 120.0 RGBJ0254+39 139.3 PKS0256-005 131.8 WGAJ0447-03 148.9 WGAJ0304+00 133.1 J0237+28 136.3 J0243-0550 125.4 J0301+0118 133.1 J2253+16 83.6 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