COVER INFORMATION Station: TIANMA65 (Code T6 ) Experiment: Nuclear Outflows Exp. Code: EC088C Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Sina Chen Address: Technion Technion Haifa Israel Phone: +972-58-6274695 EMAIL: sina.chen@campus.technion.ac.il Fax: Phone during observation: +972-58-6274695 Observing mode: vlbi Notes: COVER LETTER: Schedule for TIANMA65 (Code T6 ) Page 2 Nuclear Outflows UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Mon 31 Oct 2022 Day 304 --- Next scan frequencies: 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 Next BBC frequencies: 643.51 643.51 643.51 643.51 579.51 579.51 579.51 579.51 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 14 30 00 3C454.3 01 14 03 55.1 253.0 2.3 58.5 0 0 14 30 00 14 35 00 --- 01 19 04 54.1 254.1 2.4 59.1 300 39 14 30 01 14 38 00 J2116+0536 01 22 04 27.6 259.4 4.1 57.8 73 39 14 38 00 14 40 00 --- 01 24 05 27.2 259.7 4.1 57.8 120 54 14 38 01 14 40 00 PG2112+059 01 24 05 27.1 260.4 4.1 58.1 -4 54 No stop 14 43 40 --- 01 27 45 26.3 261.0 4.2 58.3 216 82 14 40 01 14 43 40 J2116+0536 01 27 45 26.4 260.2 4.2 58.0 -3 82 No stop 14 45 40 --- 01 29 46 26.0 260.5 4.2 58.1 117 98 14 43 41 14 45 40 PG2112+059 01 29 46 25.9 261.3 4.2 58.4 -4 98 No stop 14 49 20 --- 01 33 26 25.1 261.8 4.3 58.5 216 126 14 45 41 14 49 50 J2116+0536 01 33 56 25.1 261.1 4.3 58.2 27 126 14 49 50 14 51 20 --- 01 35 27 24.8 261.3 4.3 58.3 90 138 14 49 51 14 51 20 PG2112+059 01 35 27 24.7 262.1 4.3 58.6 -3 138 No stop 14 55 00 --- 01 39 07 23.9 262.6 4.4 58.7 217 166 14 51 21 14 55 00 J2116+0536 01 39 07 24.0 261.9 4.4 58.4 -3 166 No stop 14 57 00 --- 01 41 07 23.6 262.1 4.4 58.5 117 182 14 55 01 14 57 00 PG2112+059 01 41 07 23.5 262.9 4.4 58.7 -3 182 No stop 15 00 40 --- 01 44 48 22.7 263.4 4.5 58.8 217 210 14 57 01 15 01 10 J2116+0536 01 45 18 22.7 262.7 4.5 58.6 27 210 15 01 10 15 02 40 --- 01 46 48 22.4 262.9 4.5 58.7 90 222 15 01 11 15 02 40 PG2112+059 01 46 48 22.3 263.7 4.5 58.9 -3 222 No stop 15 06 20 --- 01 50 29 21.5 264.2 4.6 59.0 217 250 15 02 41 15 06 20 J2116+0536 01 50 29 21.6 263.5 4.5 58.8 -3 250 No stop 15 08 20 --- 01 52 29 21.2 263.7 4.6 58.8 117 265 15 06 21 15 08 20 PG2112+059 01 52 29 21.1 264.5 4.6 59.0 -3 265 No stop 15 12 00 --- 01 56 10 20.3 265.0 4.7 59.1 217 294 15 08 21 15 12 30 J2116+0536 01 56 40 20.3 264.3 4.6 58.9 27 294 15 12 30 15 14 00 --- 01 58 10 20.0 264.5 4.7 58.9 90 305 15 12 31 Schedule for TIANMA65 (Code T6 ) Page 3 Nuclear Outflows UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Mon 31 Oct 2022 Day 304 --- 15 14 00 PG2112+059 01 58 10 19.8 265.2 4.7 59.1 -3 305 No stop 15 17 40 --- 02 01 51 19.1 265.7 4.8 59.2 217 334 15 14 01 15 17 40 J2116+0536 02 01 51 19.2 265.0 4.7 59.0 -3 334 No stop 15 19 40 --- 02 03 51 18.7 265.3 4.8 59.1 117 349 15 17 41 15 19 40 PG2112+059 02 03 51 18.6 266.0 4.8 59.2 -3 349 No stop 15 23 20 --- 02 07 32 17.9 266.5 4.9 59.3 217 377 15 19 41 15 23 50 J2116+0536 02 08 02 17.8 265.9 4.8 59.1 27 377 15 23 50 15 25 20 --- 02 09 32 17.5 266.1 4.9 59.2 90 389 15 23 51 15 25 20 PG2112+059 02 09 32 17.4 266.8 4.9 59.3 -3 389 No stop 15 29 00 --- 02 13 13 16.6 267.2 5.0 59.4 217 417 15 25 21 15 29 00 J2116+0536 02 13 13 16.7 266.5 4.9 59.2 -3 417 No stop 15 31 00 --- 02 15 13 16.3 266.8 5.0 59.2 117 433 15 29 01 15 31 00 PG2112+059 02 15 13 16.2 267.5 5.0 59.4 -3 433 No stop 15 34 40 --- 02 18 54 15.4 268.0 5.0 59.4 217 461 15 31 01 15 35 10 J2116+0536 02 19 24 15.4 267.4 5.0 59.3 27 461 15 35 10 15 36 40 --- 02 20 54 15.1 267.6 5.1 59.3 90 473 15 35 11 15 36 40 PG2112+059 02 20 54 15.0 268.3 5.1 59.4 -3 473 No stop 15 40 20 --- 02 24 35 14.2 268.7 5.1 59.5 217 501 15 36 41 15 40 20 J2116+0536 02 24 35 14.3 268.0 5.1 59.3 -3 501 No stop 15 42 20 --- 02 26 35 13.9 268.3 5.1 59.3 117 517 15 40 21 15 42 20 PG2112+059 02 26 35 13.8 269.0 5.2 59.5 -3 517 No stop 15 46 00 --- 02 30 16 13.0 269.5 5.2 59.5 217 545 15 42 21 15 46 30 J2116+0536 02 30 46 13.0 268.9 5.2 59.4 27 545 15 46 30 15 48 00 --- 02 32 16 12.7 269.0 5.2 59.4 90 556 15 46 31 15 48 00 PG2112+059 02 32 16 12.6 269.7 5.3 59.5 -3 556 No stop 15 51 40 --- 02 35 56 11.8 270.2 5.3 59.5 217 585 15 48 01 15 51 40 J2116+0536 02 35 56 11.9 269.5 5.3 59.4 -3 585 No stop 15 53 40 --- 02 37 57 11.4 269.8 5.3 59.4 117 600 15 51 41 15 53 40 PG2112+059 02 37 57 11.3 270.5 5.4 59.5 -3 600 No stop 15 57 20 --- 02 41 37 10.6 270.9 5.4 59.5 217 629 15 53 41 Schedule for TIANMA65 (Code T6 ) Page 4 Nuclear Outflows UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Mon 31 Oct 2022 Day 304 --- 15 57 50 J2116+0536 02 42 07 10.6 270.3 5.4 59.4 27 629 15 57 50 15 59 20 --- 02 43 38 10.2 270.5 5.4 59.4 90 640 15 57 51 15 59 20 PG2112+059 02 43 38 10.1 271.2 5.5 59.5 -3 640 No stop 16 03 00 --- 02 47 18 9.3 271.7 5.5 59.4 217 669 15 59 21 16 03 00 J2116+0536 02 47 18 9.4 271.0 5.5 59.4 -3 669 No stop 16 05 00 --- 02 49 19 9.0 271.2 5.5 59.4 117 684 16 03 01 16 46 40 3C454.3 03 31 06 26.1 274.0 4.6 62.9 2395 684 16 46 40 16 50 40 --- 03 35 06 25.2 274.5 4.7 62.8 240 715 16 46 41 16 52 40 J0052+1633 03 37 06 50.3 258.4 2.7 61.1 17 715 16 52 40 16 54 40 --- 03 39 07 49.8 258.8 2.8 61.3 120 730 16 52 41 16 54 40 PG0049+171 03 39 07 50.1 260.1 2.8 62.2 -5 730 No stop 16 58 20 --- 03 42 47 49.3 260.7 2.8 62.4 215 759 16 54 41 16 58 20 J0052+1633 03 42 47 49.1 259.4 2.8 61.5 -5 759 No stop 17 00 20 --- 03 44 48 48.6 259.8 2.8 61.6 115 774 16 58 21 17 00 20 PG0049+171 03 44 48 48.9 261.1 2.9 62.5 -5 774 No stop 17 04 00 --- 03 48 28 48.1 261.7 2.9 62.7 215 803 17 00 21 17 04 30 J0052+1633 03 48 58 47.8 260.5 2.9 61.8 25 803 17 04 30 17 06 00 --- 03 50 29 47.4 260.7 2.9 61.9 90 814 17 04 31 17 06 00 PG0049+171 03 50 29 47.7 262.0 3.0 62.8 -5 814 No stop 17 09 40 --- 03 54 09 46.9 262.6 3.0 63.0 215 842 17 06 01 17 09 40 J0052+1633 03 54 09 46.7 261.3 3.0 62.1 -4 842 No stop 17 11 40 --- 03 56 10 46.2 261.6 3.0 62.2 116 858 17 09 41 17 11 40 PG0049+171 03 56 10 46.5 262.9 3.1 63.0 -5 858 No stop 17 15 20 --- 03 59 50 45.7 263.5 3.1 63.2 215 886 17 11 41 17 15 50 J0052+1633 04 00 20 45.4 262.3 3.1 62.4 26 886 17 15 50 17 17 20 --- 04 01 51 45.0 262.6 3.1 62.4 90 898 17 15 51 17 17 20 PG0049+171 04 01 51 45.3 263.8 3.1 63.2 -4 898 No stop 17 21 00 --- 04 05 31 44.5 264.3 3.2 63.4 216 926 17 17 21 17 21 00 J0052+1633 04 05 31 44.3 263.1 3.2 62.6 -4 926 No stop 17 23 00 --- 04 07 31 43.8 263.4 3.2 62.6 116 942 17 21 01 Schedule for TIANMA65 (Code T6 ) Page 5 Nuclear Outflows UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Mon 31 Oct 2022 Day 304 --- 17 23 00 PG0049+171 04 07 31 44.1 264.6 3.2 63.4 -4 942 No stop 17 26 40 --- 04 11 12 43.3 265.2 3.3 63.5 216 970 17 23 01 17 27 10 J0052+1633 04 11 42 42.9 264.1 3.3 62.8 26 970 17 27 10 17 28 40 --- 04 13 12 42.6 264.3 3.3 62.8 90 982 17 27 11 17 28 40 PG0049+171 04 13 12 42.9 265.5 3.3 63.6 -4 982 No stop 17 32 20 --- 04 16 53 42.1 266.0 3.4 63.6 216 1010 17 28 41 17 32 20 J0052+1633 04 16 53 41.8 264.8 3.4 62.9 -4 1010 No stop 17 34 20 --- 04 18 53 41.4 265.1 3.4 63.0 116 1025 17 32 21 17 34 20 PG0049+171 04 18 53 41.7 266.3 3.4 63.7 -4 1025 No stop 17 38 00 --- 04 22 34 40.9 266.8 3.5 63.7 216 1054 17 34 21 17 38 30 J0052+1633 04 23 04 40.5 265.7 3.5 63.1 26 1054 17 38 30 17 40 00 --- 04 24 34 40.2 265.9 3.5 63.1 90 1065 17 38 31 17 40 00 PG0049+171 04 24 34 40.4 267.1 3.5 63.8 -4 1065 No stop 17 43 40 --- 04 28 15 39.7 267.6 3.6 63.8 216 1094 17 40 01 17 43 40 J0052+1633 04 28 15 39.4 266.5 3.6 63.2 -4 1094 No stop 17 45 40 --- 04 30 15 39.0 266.7 3.6 63.2 116 1109 17 43 41 17 45 40 PG0049+171 04 30 15 39.2 267.8 3.6 63.8 -4 1109 No stop 17 49 20 --- 04 33 56 38.4 268.3 3.7 63.9 216 1137 17 45 41 17 49 50 J0052+1633 04 34 26 38.1 267.3 3.7 63.2 26 1137 17 49 50 17 51 20 --- 04 35 56 37.8 267.5 3.7 63.3 90 1149 17 49 51 17 51 20 PG0049+171 04 35 56 38.0 268.6 3.7 63.9 -4 1149 No stop 17 55 00 --- 04 39 37 37.2 269.1 3.8 63.9 216 1177 17 51 21 17 55 00 J0052+1633 04 39 37 37.0 268.0 3.8 63.3 -4 1177 No stop 17 57 00 --- 04 41 37 36.6 268.3 3.8 63.3 116 1193 17 55 01 17 57 00 PG0049+171 04 41 37 36.8 269.4 3.8 63.9 -4 1193 No stop 18 00 40 --- 04 45 18 36.0 269.8 3.9 63.9 216 1221 17 57 01 18 01 10 J0052+1633 04 45 48 35.7 268.8 3.9 63.3 26 1221 18 01 10 18 02 40 --- 04 47 18 35.3 269.0 3.9 63.4 90 1233 18 01 11 18 02 40 PG0049+171 04 47 18 35.6 270.1 3.9 63.9 -4 1233 No stop 18 06 20 --- 04 50 59 34.8 270.6 4.0 63.9 216 1261 18 02 41 Schedule for TIANMA65 (Code T6 ) Page 6 Nuclear Outflows UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Mon 31 Oct 2022 Day 304 --- 18 06 20 J0052+1633 04 50 59 34.5 269.5 4.0 63.4 -4 1261 No stop 18 08 20 --- 04 52 59 34.1 269.8 4.0 63.4 116 1277 18 06 21 18 08 20 PG0049+171 04 52 59 34.4 270.8 4.0 63.9 -4 1277 No stop 18 12 00 --- 04 56 40 33.6 271.3 4.1 63.9 216 1305 18 08 21 18 12 30 J0052+1633 04 57 10 33.2 270.3 4.1 63.4 26 1305 18 12 30 18 14 00 --- 04 58 40 32.9 270.5 4.1 63.4 90 1317 18 12 31 18 14 00 PG0049+171 04 58 40 33.1 271.5 4.1 63.9 -4 1317 No stop 18 17 40 --- 05 02 20 32.4 272.0 4.2 63.8 216 1345 18 14 01 18 17 40 J0052+1633 05 02 20 32.1 271.0 4.1 63.4 -4 1345 No stop 18 19 40 --- 05 04 21 31.7 271.2 4.2 63.3 116 1360 18 17 41 18 19 40 PG0049+171 05 04 21 31.9 272.3 4.2 63.8 -4 1360 No stop 18 23 20 --- 05 08 01 31.1 272.7 4.2 63.8 216 1389 18 19 41 18 23 50 J0052+1633 05 08 31 30.8 271.8 4.2 63.3 26 1389 18 23 50 18 25 20 --- 05 10 02 30.5 271.9 4.3 63.3 90 1400 18 23 51 18 25 20 PG0049+171 05 10 02 30.7 273.0 4.3 63.8 -4 1400 No stop 18 29 00 --- 05 13 42 29.9 273.4 4.3 63.7 216 1429 18 25 21 18 29 00 J0052+1633 05 13 42 29.7 272.4 4.3 63.3 -4 1429 No stop 18 31 00 --- 05 15 43 29.3 272.7 4.4 63.2 116 1444 18 29 01 18 31 00 PG0049+171 05 15 43 29.5 273.6 4.4 63.7 -4 1444 No stop 18 34 40 --- 05 19 23 28.7 274.1 4.4 63.6 216 1472 18 31 01 18 35 10 J0052+1633 05 19 53 28.4 273.2 4.4 63.2 26 1472 18 35 10 18 36 40 --- 05 21 24 28.0 273.4 4.5 63.2 90 1484 18 35 11 18 36 40 PG0049+171 05 21 24 28.3 274.3 4.5 63.6 -4 1484 No stop 18 40 20 --- 05 25 04 27.5 274.8 4.5 63.5 216 1512 18 36 41 18 40 20 J0052+1633 05 25 04 27.3 273.8 4.5 63.1 -4 1512 No stop 18 42 20 --- 05 27 05 26.8 274.0 4.6 63.1 116 1528 18 40 21 18 42 20 PG0049+171 05 27 05 27.1 275.0 4.6 63.5 -4 1528 No stop 18 46 00 --- 05 30 45 26.3 275.5 4.6 63.4 216 1556 18 42 21 18 46 30 J0052+1633 05 31 15 25.9 274.6 4.6 63.0 26 1556 18 46 30 18 48 00 --- 05 32 45 25.6 274.7 4.6 63.0 90 1568 18 46 31 Schedule for TIANMA65 (Code T6 ) Page 7 Nuclear Outflows UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Mon 31 Oct 2022 Day 304 --- 18 48 00 PG0049+171 05 32 45 25.9 275.7 4.7 63.3 -4 1568 No stop 18 51 40 --- 05 36 26 25.1 276.1 4.7 63.3 216 1596 18 48 01 18 51 40 J0052+1633 05 36 26 24.8 275.2 4.7 62.9 -4 1596 No stop 18 53 40 --- 05 38 26 24.4 275.4 4.7 62.9 116 1612 18 51 41 18 53 40 PG0049+171 05 38 26 24.7 276.4 4.8 63.2 -4 1612 No stop 18 57 20 --- 05 42 07 23.9 276.8 4.8 63.1 216 1640 18 53 41 18 57 50 J0052+1633 05 42 37 23.5 275.9 4.8 62.8 26 1640 18 57 50 18 59 20 --- 05 44 07 23.2 276.1 4.8 62.7 90 1651 18 57 51 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess322.L1024 --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 12 Station: TIANMA65 Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 2270.00 Net SB= L L U U L L U U IF SB = L L L L L L L L Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 5 1 5 2 6 2 6 BBC SB= U U L L U U L L IF = A4 B3 A4 B3 A4 B3 A4 B3 The following frequency sets based on these setups were used. Frequency Set: 16 Setup file default. Used with PCAL = off LO sum= 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 BBC fr= 643.51 643.51 643.51 643.51 579.51 579.51 579.51 579.51 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 16 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * PG0049+171 00 49 16.439608 * 00 51 54.760000 00 53 07.409669 0.00 17 09 40.76141 * 17 25 58.50000 17 33 29.54018 0.00 From catalog imbedded in main SCHED input file. * J0052+1633 00 49 58.032211 * 00 52 36.164400 00 53 48.728591 0.00 16 16 43.36491 * 16 33 00.44200 16 40 31.06816 0.00 From catalog imbedded in main SCHED input file. * PG2112+059 21 12 23.486727 * 21 14 52.590000 21 15 59.997223 0.00 05 55 13.00189 * 06 07 42.50000 06 13 27.26893 0.00 From catalog imbedded in main SCHED input file. * J2116+0536 21 14 07.085238 * 21 16 36.634900 21 17 44.255056 0.00 05 23 42.54503 * 05 36 17.04600 05 42 03.92554 0.00 From catalog imbedded in main SCHED input file. * 3C454.3 22 51 29.519739 * 22 53 57.747939 22 55 05.298429 0.65 J2253+1608 15 52 54.34808 * 16 08 53.56091 16 16 16.55181 0.73 2251+158 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J2253+16 GSFC 2016a X/S astro solution, 41272 observations. SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline PG0049+171 sess322.L1024 1 2 3 4 5 6 7 8 9 10 11 16 + 1.344 168.102 J0052+1633 sess322.L1024 1 2 3 4 5 6 7 8 9 10 11 16 + 0.675 79.979 PG2112+059 sess322.L1024 1 2 3 4 5 6 7 8 9 10 11 16 + 1.344 162.653 J2116+0536 sess322.L1024 1 2 3 4 5 6 7 8 9 10 11 16 + 0.675 77.605 3C454.3 sess322.L1024 1 2 3 4 5 6 7 8 9 10 11 16 + 0.150 20.395 EFFECT OF SOLAR CORONA 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) PG0049+171 158.0 J0052+1633 158.3 PG2112+059 104.2 J2116+0536 104.5 3C454.3 129.8 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