COVER INFORMATION Station: ZELENCHK (Code Zc ) Experiment: Confirming the final lens candidates in the mJIVE-20 survey Exp. Code: es096b Schedule Version: 1.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: John McKean Address: ASTRON Postbus 2 7990 AA, Dwingeloo the Netherlands Phone: +31 521 595 78 EMAIL: mckean@astron.nl Fax: +31 521 595 101 Phone during observation: +31 624 328 991 Observing mode: 6cm 2048-32-16 Notes: JPM replaces SC as PI and contact author Schedule for ZELENCHK (Code Zc ) Page 2 Confirming the final lens candidates in the mJIVE-20 survey 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 ---------------------------------------------------------------------------------------- --- Sun 7 Mar 2021 Day 66 --- Next scan frequencies: 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 330.49 330.49 330.49 330.49 394.49 394.49 394.49 394.49 458.49 458.49 458.49 458.49 522.49 522.49 522.49 522.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 22 00 00 J1254+1141 11 49 37 54.8 511.1 -1.1 -20.8 0 0 22 00 00 22 01 30 --- 11 51 07 54.9 511.7 -1.1 -20.4 90 23 22 00 01 22 01 30 MJV07417 11 51 07 55.1 511.2 -1.1 -20.8 -11 23 No stop 22 05 00 --- 11 54 38 55.4 512.6 -1.0 -19.8 199 77 22 01 31 22 05 30 J1254+1141 11 55 08 55.2 513.3 -1.0 -19.3 18 77 22 05 30 22 07 00 --- 11 56 38 55.4 513.9 -1.0 -18.9 90 100 22 05 31 22 07 00 MJV07417 11 56 38 55.6 513.4 -1.0 -19.3 -11 100 No stop 22 10 30 --- 12 00 09 55.8 514.9 -0.9 -18.3 199 154 22 07 01 22 10 30 J1254+1141 12 00 09 55.6 515.4 -0.9 -17.9 -12 154 No stop 22 12 00 --- 12 01 39 55.7 516.0 -0.9 -17.4 78 177 22 10 31 22 12 00 MJV07417 12 01 39 56.0 515.5 -0.9 -17.8 -11 177 No stop 22 15 30 --- 12 05 10 56.2 517.0 -0.9 -16.8 199 231 22 12 01 22 16 00 J1254+1141 12 05 40 56.0 517.7 -0.8 -16.2 18 231 22 16 00 22 17 30 --- 12 07 10 56.1 518.3 -0.8 -15.8 90 254 22 16 01 22 17 30 MJV07417 12 07 10 56.3 517.8 -0.8 -16.2 -11 254 No stop 22 21 00 --- 12 10 41 56.6 519.3 -0.8 -15.1 199 308 22 17 31 22 21 00 J1254+1141 12 10 41 56.3 519.8 -0.8 -14.7 -12 308 No stop 22 22 30 --- 12 12 11 56.4 520.5 -0.7 -14.3 78 331 22 21 01 22 22 30 MJV07417 12 12 11 56.7 520.0 -0.7 -14.6 -11 331 No stop 22 26 00 --- 12 15 41 56.9 521.5 -0.7 -13.6 199 385 22 22 31 22 26 30 J1254+1141 12 16 11 56.7 522.2 -0.7 -13.0 18 385 22 26 30 22 28 00 --- 12 17 42 56.8 522.8 -0.6 -12.6 90 408 22 26 31 22 28 00 MJV07417 12 17 42 57.0 522.3 -0.6 -12.9 -11 408 No stop 22 31 30 --- 12 21 12 57.2 523.9 -0.6 -11.8 199 462 22 28 01 22 31 30 J1254+1141 12 21 12 56.9 524.4 -0.6 -11.4 -12 462 No stop 22 33 00 --- 12 22 43 57.0 525.0 -0.5 -11.0 78 485 22 31 31 Schedule for ZELENCHK (Code Zc ) Page 3 Confirming the final lens candidates in the mJIVE-20 survey 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 ---------------------------------------------------------------------------------------- --- Sun 7 Mar 2021 Day 66 --- 22 33 00 MJV07417 12 22 43 57.3 524.6 -0.6 -11.3 -11 485 No stop 22 36 30 --- 12 26 13 57.4 526.1 -0.5 -10.2 199 538 22 33 01 22 37 00 J1254+1141 12 26 43 57.2 526.8 -0.5 -9.7 18 538 22 37 00 22 38 30 --- 12 28 13 57.2 527.5 -0.5 -9.2 90 562 22 37 01 22 38 30 MJV07417 12 28 13 57.5 527.0 -0.5 -9.5 -11 562 No stop 22 42 00 --- 12 31 44 57.6 528.6 -0.4 -8.4 199 615 22 38 31 22 42 00 J1254+1141 12 31 44 57.4 529.1 -0.4 -8.0 -11 615 No stop 22 43 30 --- 12 33 14 57.4 529.7 -0.4 -7.5 79 638 22 42 01 22 43 30 MJV07417 12 33 14 57.7 529.3 -0.4 -7.9 -11 638 No stop 22 47 00 --- 12 36 45 57.8 530.9 -0.3 -6.7 199 692 22 43 31 22 47 30 J1254+1141 12 37 15 57.5 531.6 -0.3 -6.2 19 692 22 47 30 22 49 00 --- 12 38 45 57.6 532.2 -0.3 -5.7 90 715 22 47 31 22 49 00 MJV07417 12 38 45 57.8 531.8 -0.3 -6.0 -11 715 No stop 22 52 30 --- 12 42 16 57.9 533.4 -0.2 -4.9 199 769 22 49 01 22 52 30 J1254+1141 12 42 16 57.7 533.8 -0.2 -4.5 -11 769 No stop 22 54 00 --- 12 43 46 57.7 534.5 -0.2 -4.0 79 792 22 52 31 22 55 47 J1329+3154 12 45 33 75.1 499.6 -0.8 -33.4 47 792 22 55 47 22 57 17 --- 12 47 14 75.3 500.8 -0.7 -32.5 90 815 22 55 48 22 57 17 MJV00019 12 47 04 75.0 500.9 -0.7 -32.3 -9 815 No stop 23 00 47 --- 12 50 34 75.4 503.4 -0.7 -30.3 201 869 22 57 18 23 01 17 J1329+3154 12 51 04 75.7 503.6 -0.7 -30.3 21 869 23 01 17 23 02 47 --- 12 52 35 75.8 504.7 -0.6 -29.4 90 892 23 01 18 23 02 47 MJV00019 12 52 35 75.6 504.9 -0.6 -29.1 -10 892 No stop 23 06 17 --- 12 56 05 76.0 507.6 -0.6 -27.0 200 946 23 02 48 23 06 17 J1329+3154 12 56 05 76.2 507.4 -0.6 -27.2 -9 946 No stop 23 07 47 --- 12 57 35 76.3 508.6 -0.6 -26.2 81 969 23 06 18 23 07 47 MJV00019 12 57 35 76.1 508.8 -0.6 -26.0 -9 969 No stop 23 11 17 --- 13 01 06 76.4 511.7 -0.5 -23.7 201 1023 23 07 48 23 11 47 J1329+3154 13 01 36 76.7 511.9 -0.5 -23.5 21 1023 23 11 47 23 13 17 --- 13 03 06 76.8 513.2 -0.5 -22.5 90 1046 23 11 48 Schedule for ZELENCHK (Code Zc ) Page 4 Confirming the final lens candidates in the mJIVE-20 survey 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 ---------------------------------------------------------------------------------------- --- Sun 7 Mar 2021 Day 66 --- 23 13 17 MJV00019 13 03 06 76.6 513.4 -0.5 -22.3 -9 1046 No stop 23 16 47 --- 13 06 37 76.9 516.4 -0.4 -19.8 201 1100 23 13 18 23 16 47 J1329+3154 13 06 37 77.1 516.3 -0.4 -20.0 -9 1100 No stop 23 18 17 --- 13 08 07 77.2 517.7 -0.4 -18.8 81 1123 23 16 48 23 18 17 MJV00019 13 08 07 77.0 517.7 -0.4 -18.7 -9 1123 No stop 23 21 47 --- 13 11 38 77.2 520.9 -0.3 -16.1 201 1177 23 18 18 23 22 17 J1329+3154 13 12 08 77.5 521.4 -0.3 -15.7 21 1177 23 22 17 23 23 47 --- 13 13 38 77.5 522.8 -0.3 -14.5 90 1200 23 22 18 23 23 47 MJV00019 13 13 38 77.3 522.8 -0.3 -14.5 -9 1200 No stop 23 27 17 --- 13 17 09 77.5 526.1 -0.2 -11.7 201 1254 23 23 48 23 27 17 J1329+3154 13 17 09 77.7 526.2 -0.2 -11.7 -9 1254 No stop 23 28 47 --- 13 18 39 77.8 527.7 -0.2 -10.5 81 1277 23 27 18 23 28 47 MJV00019 13 18 39 77.5 527.6 -0.2 -10.5 -9 1277 No stop 23 32 17 --- 13 22 09 77.7 531.0 -0.1 -7.6 201 1331 23 28 48 23 32 47 J1329+3154 13 22 39 77.9 531.7 -0.1 -7.1 20 1331 23 32 47 23 34 17 --- 13 24 10 77.9 533.2 -0.1 -5.8 90 1354 23 32 48 23 34 17 MJV00019 13 24 10 77.7 533.0 -0.1 -5.9 -9 1354 No stop 23 37 47 --- 13 27 40 77.8 536.5 -0.1 -3.0 201 1408 23 34 18 23 37 47 J1329+3154 13 27 40 78.0 536.7 -0.1 -2.8 -10 1408 No stop 23 39 17 --- 13 29 11 78.0 538.3 -0.0 -1.5 80 1431 23 37 48 23 39 17 MJV00019 13 29 11 77.8 538.0 -0.0 -1.7 -9 1431 No stop 23 42 47 --- 13 32 41 77.8 541.6 0.0 1.3 201 1485 23 39 18 23 43 17 J1329+3154 13 33 11 78.0 542.4 0.0 2.0 19 1485 23 43 17 23 44 47 --- 13 34 41 78.0 543.9 0.1 3.3 90 1508 23 43 18 23 44 47 MJV00019 13 34 41 77.8 543.6 0.1 3.0 -9 1508 No stop 23 48 17 --- 13 38 12 77.7 547.1 0.1 6.0 201 1562 23 44 48 23 48 17 J1329+3154 13 38 12 77.9 547.5 0.1 6.3 -11 1562 No stop 23 49 47 --- 13 39 42 77.9 549.0 0.1 7.6 79 1585 23 48 18 23 51 43 J1254+1141 13 41 39 56.3 560.6 0.8 15.0 58 1585 23 51 43 23 53 13 --- 13 43 19 56.2 561.3 0.8 15.5 90 1608 23 51 44 Schedule for ZELENCHK (Code Zc ) Page 5 Confirming the final lens candidates in the mJIVE-20 survey 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 ---------------------------------------------------------------------------------------- --- Sun 7 Mar 2021 Day 66 --- 23 53 13 MJV07417 13 43 09 56.5 561.0 0.8 15.3 -10 1608 No stop 23 56 43 --- 13 46 40 56.3 562.5 0.8 16.4 200 1662 23 53 14 23 57 13 J1254+1141 13 47 10 55.9 562.9 0.9 16.7 20 1662 23 57 13 23 58 43 --- 13 48 40 55.8 563.5 0.9 17.1 90 1685 23 57 14 --- Start: Sun 7 Mar 2021 Day 66 -- Stop: Mon 8 Mar 2021 Day 67 --- 23 58 43 MJV07417 13 48 40 56.2 563.3 0.9 17.0 -10 1685 No stop 00 02 13 --- 13 52 11 55.9 564.8 0.9 18.0 200 1738 23 58 44 00 02 13 J1254+1141 13 52 11 55.6 565.0 0.9 18.1 -10 1738 No stop 00 03 43 --- 13 53 41 55.4 565.6 1.0 18.6 80 1762 00 02 14 00 03 43 MJV07417 13 53 41 55.8 565.4 1.0 18.5 -10 1762 No stop 00 07 13 --- 13 57 11 55.5 566.9 1.0 19.5 200 1815 00 03 44 00 07 43 J1254+1141 13 57 41 55.1 567.2 1.0 19.7 20 1815 00 07 43 00 09 13 --- 13 59 12 55.0 567.8 1.1 20.1 90 1838 00 07 44 00 09 13 MJV07417 13 59 12 55.3 567.7 1.0 20.0 -10 1838 No stop 00 12 43 --- 14 02 42 55.0 569.1 1.1 21.0 200 1892 00 09 14 00 12 43 J1254+1141 14 02 42 54.7 569.2 1.1 21.1 -10 1892 No stop 00 14 13 --- 14 04 12 54.6 569.8 1.1 21.5 80 1915 00 12 44 00 14 13 MJV07417 14 04 12 54.9 569.7 1.1 21.4 -10 1915 No stop 00 17 43 --- 14 07 43 54.6 571.1 1.2 22.4 200 1969 00 14 14 00 18 13 J1254+1141 14 08 13 54.2 571.4 1.2 22.6 20 1969 00 18 13 00 19 43 --- 14 09 43 54.0 572.0 1.2 23.0 90 1992 00 18 14 00 19 43 MJV07417 14 09 43 54.4 571.8 1.2 22.9 -10 1992 No stop 00 23 13 --- 14 13 14 54.1 573.2 1.3 23.8 200 2046 00 19 44 00 23 13 J1254+1141 14 13 14 53.7 573.3 1.3 23.9 -10 2046 No stop 00 24 43 --- 14 14 44 53.6 573.9 1.3 24.3 80 2069 00 23 14 00 24 43 MJV07417 14 14 44 53.9 573.8 1.3 24.2 -10 2069 No stop 00 28 13 --- 14 18 15 53.5 575.1 1.4 25.1 200 2123 00 24 44 00 28 43 J1254+1141 14 18 45 53.1 575.4 1.4 25.3 20 2123 00 28 43 00 30 13 --- 14 20 15 53.0 575.9 1.4 25.6 90 2146 00 28 44 Schedule for ZELENCHK (Code Zc ) Page 6 Confirming the final lens candidates in the mJIVE-20 survey 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 8 Mar 2021 Day 67 --- 00 30 13 MJV07417 14 20 15 53.3 575.8 1.4 25.6 -10 2146 No stop 00 33 43 --- 14 23 46 53.0 577.1 1.5 26.4 200 2200 00 30 14 00 33 43 J1254+1141 14 23 46 52.6 577.2 1.5 26.5 -10 2200 No stop 00 35 13 --- 14 25 16 52.4 577.7 1.5 26.8 80 2223 00 33 44 00 35 13 MJV07417 14 25 16 52.8 577.7 1.5 26.8 -10 2223 No stop 00 38 43 --- 14 28 47 52.4 578.9 1.5 27.6 200 2277 00 35 14 00 39 13 J1254+1141 14 29 17 52.0 579.2 1.6 27.7 20 2277 00 39 13 00 40 43 --- 14 30 47 51.8 579.7 1.6 28.1 90 2300 00 39 14 00 40 43 MJV07417 14 30 47 52.2 579.6 1.6 28.1 -10 2300 No stop 00 44 13 --- 14 34 17 51.8 580.8 1.6 28.8 200 2354 00 40 44 00 44 13 J1254+1141 14 34 17 51.4 580.9 1.6 28.9 -10 2354 No stop 00 45 43 --- 14 35 48 51.2 581.4 1.7 29.2 80 2377 00 44 14 00 53 43 3C345 14 43 49 67.4 449.9 -2.0 -69.9 322 2377 00 53 43 01 00 08 --- 14 50 15 68.6 451.0 -1.9 -69.9 385 2476 00 53 44 01 03 34 J1329+3154 14 53 42 69.8 600.5 1.4 47.7 32 2476 01 03 34 01 05 04 --- 14 55 22 69.5 601.2 1.4 48.1 90 2499 01 03 35 01 05 04 MJV00019 14 55 12 69.5 600.6 1.4 47.6 -12 2499 No stop 01 08 34 --- 14 58 42 68.9 602.0 1.5 48.4 198 2553 01 05 05 01 09 04 J1329+3154 14 59 12 68.9 602.7 1.5 49.0 18 2553 01 09 04 01 10 34 --- 15 00 43 68.7 603.3 1.5 49.4 90 2576 01 09 05 01 10 34 MJV00019 15 00 43 68.6 602.8 1.5 48.9 -11 2576 No stop 01 14 04 --- 15 04 13 68.0 604.1 1.6 49.6 199 2629 01 10 35 01 14 04 J1329+3154 15 04 13 68.1 604.6 1.6 50.1 -12 2629 No stop 01 15 34 --- 15 05 44 67.9 605.2 1.6 50.4 78 2653 01 14 05 01 15 34 MJV00019 15 05 44 67.8 604.6 1.6 50.0 -11 2653 No stop 01 19 04 --- 15 09 14 67.2 605.9 1.6 50.7 199 2706 01 15 35 01 19 34 J1329+3154 15 09 44 67.2 606.6 1.6 51.2 18 2706 01 19 34 01 21 04 --- 15 11 14 67.0 607.1 1.7 51.5 90 2729 01 19 35 01 21 04 MJV00019 15 11 14 66.9 606.6 1.7 51.0 -11 2729 No stop 01 24 34 --- 15 14 45 66.3 607.7 1.7 51.6 199 2783 01 21 05 Schedule for ZELENCHK (Code Zc ) Page 7 Confirming the final lens candidates in the mJIVE-20 survey 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 8 Mar 2021 Day 67 --- 01 24 34 J1329+3154 15 14 45 66.4 608.3 1.7 52.1 -12 2783 No stop 01 26 04 --- 15 16 15 66.1 608.7 1.8 52.3 78 2806 01 24 35 01 26 04 MJV00019 15 16 15 66.0 608.2 1.8 51.9 -11 2806 No stop 01 29 34 --- 15 19 46 65.4 609.3 1.8 52.5 199 2860 01 26 05 01 30 04 J1329+3154 15 20 16 65.4 610.0 1.8 53.0 18 2860 01 30 04 01 31 34 --- 15 21 46 65.2 610.5 1.8 53.2 90 2883 01 30 05 01 31 34 MJV00019 15 21 46 65.1 610.0 1.8 52.8 -11 2883 No stop 01 35 04 --- 15 25 17 64.5 611.0 1.9 53.3 199 2937 01 31 35 01 35 04 J1329+3154 15 25 17 64.6 611.5 1.9 53.7 -11 2937 No stop 01 36 34 --- 15 26 47 64.3 612.0 1.9 53.9 79 2960 01 35 05 01 36 34 MJV00019 15 26 47 64.3 611.5 1.9 53.5 -11 2960 No stop 01 40 04 --- 15 30 18 63.6 612.5 2.0 53.9 199 3014 01 36 35 01 40 34 J1329+3154 15 30 48 63.6 613.1 2.0 54.4 19 3014 01 40 34 01 42 04 --- 15 32 18 63.4 613.5 2.0 54.5 90 3037 01 40 35 01 42 04 MJV00019 15 32 18 63.3 613.0 2.0 54.1 -11 3037 No stop 01 45 34 --- 15 35 48 62.7 614.0 2.1 54.5 199 3091 01 42 05 01 45 34 J1329+3154 15 35 48 62.8 614.5 2.1 54.9 -11 3091 No stop 01 47 04 --- 15 37 19 62.5 614.9 2.1 55.1 79 3114 01 45 35 01 47 04 MJV00019 15 37 19 62.4 614.4 2.1 54.7 -11 3114 No stop 01 50 34 --- 15 40 49 61.8 615.3 2.2 55.1 199 3168 01 47 05 01 51 04 J1329+3154 15 41 19 61.8 615.9 2.2 55.5 19 3168 01 51 04 01 52 34 --- 15 42 50 61.5 616.3 2.2 55.6 90 3191 01 51 05 01 52 34 MJV00019 15 42 50 61.5 615.8 2.2 55.2 -11 3191 No stop 01 56 04 --- 15 46 20 60.9 616.7 2.3 55.6 199 3245 01 52 35 01 56 04 J1329+3154 15 46 20 60.9 617.2 2.3 55.9 -11 3245 No stop 01 57 34 --- 15 47 50 60.7 617.5 2.3 56.0 79 3268 01 56 05 01 59 20 J1254+1141 15 49 36 40.7 602.8 2.9 40.9 51 3268 01 59 20 02 00 50 --- 15 51 17 40.4 603.2 2.9 41.1 90 3291 01 59 21 02 00 50 MJV07417 15 51 07 40.8 603.2 2.9 41.2 -10 3291 No stop 02 04 20 --- 15 54 37 40.2 604.0 3.0 41.5 200 3345 02 00 51 Schedule for ZELENCHK (Code Zc ) Page 8 Confirming the final lens candidates in the mJIVE-20 survey 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 8 Mar 2021 Day 67 --- 02 04 50 J1254+1141 15 55 07 39.8 604.1 3.0 41.5 20 3345 02 04 50 02 06 20 --- 15 56 38 39.6 604.4 3.0 41.7 90 3368 02 04 51 02 06 20 MJV07417 15 56 38 39.9 604.5 3.0 41.7 -10 3368 No stop 02 09 50 --- 16 00 08 39.3 605.3 3.1 42.1 200 3422 02 06 21 02 09 50 J1254+1141 16 00 08 39.0 605.3 3.1 42.0 -10 3422 No stop 02 11 20 --- 16 01 38 38.7 605.6 3.1 42.2 80 3445 02 09 51 02 11 20 MJV07417 16 01 38 39.1 605.7 3.1 42.2 -10 3445 No stop 02 14 50 --- 16 05 09 38.5 606.5 3.1 42.6 200 3499 02 11 21 02 15 20 J1254+1141 16 05 39 38.1 606.5 3.2 42.5 20 3499 02 15 20 02 16 50 --- 16 07 09 37.8 606.9 3.2 42.7 90 3522 02 15 21 02 16 50 MJV07417 16 07 09 38.2 606.9 3.2 42.7 -10 3522 No stop 02 20 20 --- 16 10 40 37.6 607.7 3.2 43.1 200 3576 02 16 51 02 20 20 J1254+1141 16 10 40 37.2 607.7 3.2 43.0 -10 3576 No stop 02 21 50 --- 16 12 10 37.0 608.0 3.3 43.1 80 3599 02 20 21 02 21 50 MJV07417 16 12 10 37.4 608.1 3.3 43.2 -10 3599 No stop 02 25 20 --- 16 15 41 36.8 608.9 3.3 43.5 200 3653 02 21 51 02 25 50 J1254+1141 16 16 11 36.3 608.9 3.3 43.4 20 3653 02 25 50 02 27 20 --- 16 17 41 36.1 609.2 3.4 43.6 90 3676 02 25 51 02 27 20 MJV07417 16 17 41 36.4 609.3 3.4 43.6 -10 3676 No stop 02 30 50 --- 16 21 12 35.8 610.1 3.4 43.9 200 3729 02 27 21 02 30 50 J1254+1141 16 21 12 35.5 610.0 3.4 43.8 -10 3729 No stop 02 32 20 --- 16 22 42 35.2 610.3 3.4 43.9 80 3753 02 30 51 02 32 20 MJV07417 16 22 42 35.6 610.4 3.4 44.0 -10 3753 No stop 02 35 50 --- 16 26 12 35.0 611.2 3.5 44.3 200 3806 02 32 21 02 36 20 J1254+1141 16 26 43 34.5 611.2 3.5 44.2 20 3806 02 36 20 02 37 50 --- 16 28 13 34.3 611.5 3.5 44.3 90 3829 02 36 21 02 37 50 MJV07417 16 28 13 34.6 611.6 3.5 44.4 -10 3829 No stop 02 41 20 --- 16 31 43 34.0 612.3 3.6 44.7 200 3883 02 37 51 02 41 20 J1254+1141 16 31 43 33.7 612.3 3.6 44.6 -10 3883 No stop 02 42 50 --- 16 33 14 33.4 612.6 3.6 44.7 80 3906 02 41 21 Schedule for ZELENCHK (Code Zc ) Page 9 Confirming the final lens candidates in the mJIVE-20 survey 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 8 Mar 2021 Day 67 --- 02 42 50 MJV07417 16 33 14 33.8 612.6 3.6 44.8 -10 3906 No stop 02 46 20 --- 16 36 44 33.2 613.4 3.7 45.0 200 3960 02 42 51 02 46 50 J1254+1141 16 37 14 32.7 613.4 3.7 44.9 20 3960 02 46 50 02 48 20 --- 16 38 45 32.5 613.7 3.7 45.0 90 3983 02 46 51 02 48 20 MJV07417 16 38 45 32.8 613.8 3.7 45.1 -10 3983 No stop 02 51 50 --- 16 42 15 32.2 614.5 3.8 45.3 200 4037 02 48 21 02 51 50 J1254+1141 16 42 15 31.9 614.4 3.8 45.2 -10 4037 No stop 02 53 20 --- 16 43 45 31.6 614.7 3.8 45.3 80 4060 02 51 51 02 55 04 J1329+3154 16 45 30 50.3 629.3 3.2 58.1 51 4060 02 55 04 02 56 34 --- 16 47 10 50.0 629.6 3.3 58.1 90 4083 02 55 05 02 56 34 MJV00019 16 47 00 50.0 629.2 3.3 57.9 -10 4083 No stop 03 00 04 --- 16 50 31 49.4 629.8 3.3 57.9 200 4137 02 56 35 03 00 34 J1329+3154 16 51 01 49.3 630.2 3.3 58.1 20 4137 03 00 34 03 02 04 --- 16 52 31 49.1 630.5 3.4 58.1 90 4160 03 00 35 03 02 04 MJV00019 16 52 31 49.0 630.2 3.4 57.9 -10 4160 No stop 03 05 34 --- 16 56 02 48.4 630.8 3.4 57.9 200 4214 03 02 05 03 05 34 J1329+3154 16 56 02 48.4 631.1 3.4 58.1 -10 4214 No stop 03 07 04 --- 16 57 32 48.2 631.3 3.4 58.1 80 4237 03 05 35 03 07 04 MJV00019 16 57 32 48.1 631.0 3.4 57.9 -10 4237 No stop 03 10 34 --- 17 01 02 47.5 631.6 3.5 57.9 200 4291 03 07 05 03 11 04 J1329+3154 17 01 33 47.4 632.0 3.5 58.1 20 4291 03 11 04 03 12 34 --- 17 03 03 47.2 632.3 3.5 58.1 90 4314 03 11 05 03 12 34 MJV00019 17 03 03 47.1 631.9 3.5 57.9 -10 4314 No stop 03 16 04 --- 17 06 33 46.5 632.5 3.6 57.8 200 4368 03 12 35 03 16 04 J1329+3154 17 06 33 46.5 632.8 3.6 58.0 -10 4368 No stop 03 17 34 --- 17 08 04 46.3 633.1 3.6 58.0 80 4391 03 16 05 03 17 34 MJV00019 17 08 04 46.2 632.8 3.6 57.8 -10 4391 No stop 03 21 04 --- 17 11 34 45.6 633.3 3.7 57.8 200 4445 03 17 35 03 21 34 J1329+3154 17 12 04 45.5 633.7 3.7 57.9 20 4445 03 21 34 03 23 04 --- 17 13 35 45.3 634.0 3.7 57.9 90 4468 03 21 35 Schedule for ZELENCHK (Code Zc ) Page 10 Confirming the final lens candidates in the mJIVE-20 survey 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 8 Mar 2021 Day 67 --- 03 23 04 MJV00019 17 13 35 45.2 633.7 3.7 57.7 -10 4468 No stop 03 26 34 --- 17 17 05 44.6 634.2 3.8 57.7 200 4522 03 23 05 03 26 34 J1329+3154 17 17 05 44.6 634.5 3.8 57.9 -10 4522 No stop 03 28 04 --- 17 18 35 44.4 634.8 3.8 57.8 80 4545 03 26 35 03 28 04 MJV00019 17 18 35 44.3 634.5 3.8 57.6 -10 4545 No stop 03 31 34 --- 17 22 06 43.7 635.0 3.8 57.6 200 4599 03 28 05 03 32 04 J1329+3154 17 22 36 43.7 635.4 3.9 57.7 20 4599 03 32 04 03 33 34 --- 17 24 06 43.4 635.6 3.9 57.7 90 4622 03 32 05 03 33 34 MJV00019 17 24 06 43.3 635.3 3.9 57.5 -10 4622 No stop 03 37 04 --- 17 27 37 42.7 635.9 3.9 57.4 200 4676 03 33 35 03 37 04 J1329+3154 17 27 37 42.8 636.2 3.9 57.6 -10 4676 No stop 03 38 34 --- 17 29 07 42.5 636.4 4.0 57.6 80 4699 03 37 05 03 38 34 MJV00019 17 29 07 42.4 636.1 4.0 57.4 -10 4699 No stop 03 42 04 --- 17 32 38 41.8 636.7 4.0 57.3 200 4753 03 38 35 03 42 34 J1329+3154 17 33 08 41.8 637.0 4.0 57.5 20 4753 03 42 34 03 44 04 --- 17 34 38 41.5 637.3 4.1 57.4 90 4776 03 42 35 03 44 04 MJV00019 17 34 38 41.4 637.0 4.1 57.3 -10 4776 No stop 03 47 34 --- 17 38 09 40.8 637.5 4.1 57.1 200 4829 03 44 05 03 47 34 J1329+3154 17 38 09 40.9 637.8 4.1 57.3 -10 4829 No stop 03 49 04 --- 17 39 39 40.6 638.0 4.1 57.2 80 4853 03 47 35 03 57 04 3C345 17 47 40 77.4 616.8 1.1 66.1 389 4853 03 57 04 04 03 29 --- 17 54 06 76.3 619.0 1.2 67.2 385 4951 03 57 05 04 09 28 J1254+1141 18 00 06 18.0 628.9 5.1 47.5 229 4951 04 09 28 04 10 58 --- 18 01 46 17.7 629.2 5.1 47.5 90 4974 04 09 29 04 10 58 MJV07417 18 01 36 18.1 629.3 5.1 47.5 -10 4974 No stop 04 14 28 --- 18 05 07 17.4 629.9 5.1 47.5 200 5028 04 10 59 04 14 58 J1254+1141 18 05 37 17.0 629.9 5.2 47.5 20 5028 04 14 58 04 16 28 --- 18 07 07 16.7 630.1 5.2 47.5 90 5051 04 14 59 04 16 28 MJV07417 18 07 07 17.1 630.2 5.2 47.5 -10 5051 No stop 04 19 58 --- 18 10 38 16.4 630.8 5.2 47.5 200 5105 04 16 29 Schedule for ZELENCHK (Code Zc ) Page 11 Confirming the final lens candidates in the mJIVE-20 survey 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 8 Mar 2021 Day 67 --- 04 19 58 J1254+1141 18 10 38 16.1 630.7 5.2 47.5 -10 5105 No stop 04 21 28 --- 18 12 08 15.8 631.0 5.3 47.5 80 5128 04 19 59 04 21 28 MJV07417 18 12 08 16.2 631.1 5.3 47.5 -10 5128 No stop 04 24 58 --- 18 15 39 15.5 631.7 5.3 47.5 200 5182 04 21 29 04 25 28 J1254+1141 18 16 09 15.1 631.7 5.3 47.4 20 5182 04 25 28 04 26 58 --- 18 17 39 14.8 631.9 5.4 47.4 90 5205 04 25 29 04 26 58 MJV07417 18 17 39 15.2 632.0 5.4 47.5 -10 5205 No stop 04 30 28 --- 18 21 10 14.5 632.6 5.4 47.5 200 5259 04 26 59 04 30 28 J1254+1141 18 21 10 14.2 632.5 5.4 47.4 -10 5259 No stop 04 31 58 --- 18 22 40 13.9 632.8 5.4 47.4 80 5282 04 30 29 04 31 58 MJV07417 18 22 40 14.3 632.9 5.4 47.5 -10 5282 No stop 04 35 28 --- 18 26 10 13.6 633.5 5.5 47.4 200 5336 04 31 59 04 35 58 J1254+1141 18 26 40 13.2 633.5 5.5 47.4 20 5336 04 35 58 04 37 28 --- 18 28 11 12.9 633.7 5.5 47.3 90 5359 04 35 59 04 37 28 MJV07417 18 28 11 13.3 633.8 5.5 47.4 -10 5359 No stop 04 40 58 --- 18 31 41 12.6 634.4 5.6 47.3 200 5413 04 37 29 04 40 58 J1254+1141 18 31 41 12.3 634.3 5.6 47.3 -10 5413 No stop 04 42 28 --- 18 33 12 12.0 634.6 5.6 47.3 80 5436 04 40 59 04 42 28 MJV07417 18 33 12 12.4 634.7 5.6 47.3 -10 5436 No stop 04 45 58 --- 18 36 42 11.7 635.3 5.7 47.3 200 5490 04 42 29 04 46 28 J1254+1141 18 37 12 11.3 635.3 5.7 47.2 20 5490 04 46 28 04 47 58 --- 18 38 42 11.0 635.5 5.7 47.2 90 5513 04 46 29 04 47 58 MJV07417 18 38 42 11.4 635.6 5.7 47.2 -10 5513 No stop 04 51 28 --- 18 42 13 10.7 636.2 5.8 47.2 200 5567 04 47 59 04 51 28 J1254+1141 18 42 13 10.4 636.1 5.8 47.1 -10 5567 No stop 04 52 58 --- 18 43 43 10.1 636.4 5.8 47.1 80 5590 04 51 29 04 52 58 MJV07417 18 43 43 10.5 636.5 5.8 47.1 -10 5590 No stop 04 56 28 --- 18 47 14 9.8 637.0 5.8 D 47.1 0 5644 04 52 59 05 05 11 J1329+3154 18 55 58 27.2 649.1 5.4 53.4 470 5644 05 05 11 05 06 41 --- 18 57 38 27.0 649.3 5.4 53.3 90 5667 05 05 12 Schedule for ZELENCHK (Code Zc ) Page 12 Confirming the final lens candidates in the mJIVE-20 survey 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 8 Mar 2021 Day 67 --- 05 06 41 MJV00019 18 57 28 26.9 649.1 5.4 53.2 -9 5667 No stop 05 10 11 --- 19 00 58 26.3 649.6 5.5 53.0 201 5720 05 06 42 05 10 41 J1329+3154 19 01 28 26.3 649.9 5.5 53.0 21 5720 05 10 41 05 12 11 --- 19 02 59 26.0 650.1 5.5 52.9 90 5744 05 10 42 05 12 11 MJV00019 19 02 59 26.0 649.9 5.5 52.8 -9 5744 No stop 05 15 41 --- 19 06 29 25.4 650.4 5.6 52.6 201 5797 05 12 12 05 15 41 J1329+3154 19 06 29 25.4 650.6 5.6 52.7 -9 5797 No stop 05 17 11 --- 19 07 59 25.2 650.8 5.6 52.5 81 5820 05 15 42 05 17 11 MJV00019 19 07 59 25.1 650.6 5.6 52.5 -9 5820 No stop 05 20 41 --- 19 11 30 24.5 651.1 5.7 52.2 201 5874 05 17 12 05 21 11 J1329+3154 19 12 00 24.5 651.4 5.7 52.3 21 5874 05 21 11 05 22 41 --- 19 13 30 24.3 651.6 5.7 52.1 90 5897 05 21 12 05 22 41 MJV00019 19 13 30 24.2 651.4 5.7 52.1 -9 5897 No stop 05 26 11 --- 19 17 01 23.6 651.9 5.8 51.8 201 5951 05 22 42 05 26 11 J1329+3154 19 17 01 23.7 652.1 5.8 51.9 -9 5951 No stop 05 27 41 --- 19 18 31 23.4 652.3 5.8 51.8 81 5974 05 26 12 05 27 41 MJV00019 19 18 31 23.3 652.1 5.8 51.7 -9 5974 No stop 05 31 11 --- 19 22 02 22.8 652.6 5.8 51.5 201 6028 05 27 42 05 31 41 J1329+3154 19 22 32 22.8 652.9 5.9 51.5 21 6028 05 31 41 05 33 11 --- 19 24 02 22.5 653.1 5.9 51.4 90 6051 05 31 42 05 33 11 MJV00019 19 24 02 22.4 652.9 5.9 51.3 -9 6051 No stop 05 36 41 --- 19 27 33 21.8 653.4 5.9 51.0 201 6105 05 33 12 05 36 41 J1329+3154 19 27 33 21.9 653.6 5.9 51.1 -9 6105 No stop 05 38 11 --- 19 29 03 21.7 653.8 6.0 51.0 81 6128 05 36 42 05 38 11 MJV00019 19 29 03 21.6 653.6 6.0 50.9 -9 6128 No stop 05 41 41 --- 19 32 34 21.0 654.1 6.0 50.7 201 6182 05 38 12 05 42 11 J1329+3154 19 33 04 21.0 654.4 6.0 50.7 21 6182 05 42 11 05 43 41 --- 19 34 34 20.8 654.6 6.1 50.5 90 6205 05 42 12 05 43 41 MJV00019 19 34 34 20.7 654.4 6.1 50.5 -9 6205 No stop 05 47 11 --- 19 38 04 20.1 654.9 6.1 50.2 201 6259 05 43 42 Schedule for ZELENCHK (Code Zc ) Page 13 Confirming the final lens candidates in the mJIVE-20 survey 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 8 Mar 2021 Day 67 --- 05 47 11 J1329+3154 19 38 04 20.2 655.1 6.1 50.2 -9 6259 No stop 05 48 41 --- 19 39 35 20.0 655.4 6.1 50.1 81 6282 05 47 12 05 48 41 MJV00019 19 39 35 19.9 655.1 6.1 50.1 -9 6282 No stop 05 52 11 --- 19 43 05 19.3 655.7 6.2 49.8 201 6336 05 48 42 05 52 41 J1329+3154 19 43 35 19.3 655.9 6.2 49.8 21 6336 05 52 41 05 54 11 --- 19 45 06 19.1 656.2 6.2 49.7 90 6359 05 52 42 05 54 11 MJV00019 19 45 06 19.0 656.0 6.2 49.6 -9 6359 No stop 05 57 41 --- 19 48 36 18.4 656.5 6.3 49.3 201 6413 05 54 12 05 57 41 J1329+3154 19 48 36 18.5 656.7 6.3 49.4 -9 6413 No stop 05 59 11 --- 19 50 06 18.2 656.9 6.3 49.2 81 6436 05 57 42 05 59 11 MJV00019 19 50 06 18.1 656.7 6.3 49.2 -9 6436 No stop 06 00 00 --- 19 50 56 18.0 656.8 6.3 49.1 40 6448 05 59 12 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess121.C2048 Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: kvzr_c Added by Des Small, 24 February 2012 Setup group: 2 Station: ZELENCHK Total bit rate: 2048 Format: MARK5B Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 11 Setup file default. Used with PCAL = off LO sum= 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 330.49 330.49 330.49 330.49 394.49 394.49 394.49 394.49 458.49 458.49 458.49 458.49 522.49 522.49 522.49 522.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 11 12 13 Track assignments are: track1= 18, 26, 2, 10, 20, 28, 4, 12, 22, 30, 6, 14, 24, 32, 8, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * MJV00019 13 27 51.461377 * 13 30 09.537300 13 31 08.379480 0.00 31 56 31.59374 * 31 41 04.29600 31 34 24.42322 0.00 From catalog imbedded in main SCHED input file. halfway position between putative lensed images A and B * J1329+3154 13 27 34.876195 * 13 29 52.864900 13 30 51.674706 0.00 32 09 38.80890 * 31 54 11.05400 31 47 30.97738 0.00 From catalog imbedded in main SCHED input file. phase ref for MJV00019, position from astrogeo.org * MJV07417 12 52 59.381218 * 12 55 29.784200 12 56 33.702161 0.00 12 15 08.03306 * 11 58 53.94000 11 51 57.77103 0.00 From catalog imbedded in main SCHED input file. halfway position between putative lensed images A and B * J1254+1141 12 52 07.716958 * 12 54 38.255600 12 55 42.231027 0.00 11 57 20.86456 * 11 41 05.89500 11 34 09.41052 0.00 From catalog imbedded in main SCHED input file. phase ref for MJV07417, position from astrogeo.org J1642+3948 16 41 17.606228 * 16 42 58.809965 16 43 41.223795 0.77 * 3C345 39 54 10.81496 * 39 48 36.99402 39 45 58.73136 0.52 1641+399 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.vlba.2012jul J1642+39 GSFC 2011B astro solution 52621 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 MJV00019 sess121.C2048 1 2 3 4 5 6 7 8 9 10 11 15 + 2.347 336.192 J1329+3154 sess121.C2048 1 2 3 4 5 6 7 8 9 10 11 15 + 1.100 157.137 MJV07417 sess121.C2048 1 2 3 4 5 6 7 8 9 10 11 15 + 2.333 327.740 J1254+1141 sess121.C2048 1 2 3 4 5 6 7 8 9 10 11 15 + 1.100 153.471 3C345 sess121.C2048 1 2 3 4 5 6 7 8 9 10 11 15 + 0.214 40.639 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) MJV00019 138.4 J1329+3154 138.3 MJV07417 153.9 J1254+1141 154.2 3C345 99.1 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