COVER INFORMATION Station: DEFFORD (Code De ) Experiment: EVN+e-MERLIN -Growing black holes or supernova factories in extremely op Exp. Code: EB103C Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Ann Njeri Address: Newcastel University/Jodrell Bank Centre for Astrophysics Herschel Building NE1 7RU, United Kingdom Phone: +447459552429 EMAIL: ann.njeri@newcastle.ac.uk Fax: Phone during observation: Observing mode: Notes: **** Phase-cal off please **** Single pointing with all telescopes Schedule for DEFFORD (Code De ) Page 2 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- Next scan frequencies: 1626.49 1626.49 Next BBC frequencies: 645.51 645.51 Next scan bandwidths: 64.00 64.00 08 30 00 3C286 19 23 38 24.8 -71.7 5.9 42.5 0 0 08 30 00 08 37 00 --- 19 30 40 23.8 -70.5 6.0 42.2 420 27 08 30 01 08 42 00 J0237+2848 19 35 40 13.5 60.0 -7.1 -37.4 -115 27 08 42 00 08 52 00 =0234+285 19 45 42 14.9 61.8 -6.9 -38.2 485 66 08 42 01 08 53 20 J0137+3309 19 47 02 26.8 69.4 -5.9 -43.5 22 66 08 53 20 08 58 20 --- 19 52 03 27.5 70.2 -5.8 -43.8 300 85 08 53 21 08 58 20 ZW049 19 52 03 27.0 73.0 -5.7 -43.4 -28 85 No stop 09 01 20 --- 19 55 04 27.5 73.5 -5.6 -43.5 152 97 08 58 21 09 01 20 J0137+3309 19 55 04 28.0 70.8 -5.7 -43.9 -28 97 No stop 09 03 20 --- 19 57 04 28.3 71.1 -5.7 -44.0 92 104 09 01 21 09 03 20 ZW049 19 57 04 27.7 73.8 -5.6 -43.6 -29 104 No stop 09 06 20 --- 20 00 04 28.2 74.4 -5.5 -43.8 151 116 09 03 21 09 06 40 J0137+3309 20 00 24 28.7 71.7 -5.6 -44.2 -8 116 09 06 40 09 08 20 --- 20 02 05 29.0 72.0 -5.6 -44.3 92 122 09 06 41 09 08 20 ZW049 20 02 05 28.5 74.7 -5.5 -43.9 -29 122 No stop 09 11 20 --- 20 05 05 28.9 75.3 -5.5 -44.0 151 134 09 08 21 09 11 20 J0137+3309 20 05 05 29.4 72.5 -5.6 -44.5 -28 134 No stop 09 13 20 --- 20 07 06 29.7 72.8 -5.5 -44.6 92 142 09 11 21 09 13 20 ZW049 20 07 06 29.2 75.6 -5.4 -44.1 -29 142 No stop 09 16 20 --- 20 10 06 29.7 76.1 -5.4 -44.2 151 153 09 13 21 09 16 40 J0137+3309 20 10 26 30.2 73.4 -5.5 -44.8 -8 153 09 16 40 09 18 20 --- 20 12 06 30.5 73.7 -5.4 -44.8 92 160 09 16 41 09 18 20 ZW049 20 12 06 30.0 76.5 -5.3 -44.3 -29 160 No stop 09 21 20 --- 20 15 07 30.4 77.0 -5.3 -44.4 151 171 09 18 21 09 21 20 J0137+3309 20 15 07 30.9 74.2 -5.4 -45.0 -28 171 No stop 09 23 20 --- 20 17 07 31.2 74.5 -5.4 -45.1 92 179 09 21 21 09 23 20 ZW049 20 17 07 30.7 77.4 -5.3 -44.5 -29 179 No stop 09 26 20 --- 20 20 08 31.2 77.9 -5.2 -44.6 151 191 09 23 21 Schedule for DEFFORD (Code De ) Page 3 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 09 26 40 J0137+3309 20 20 28 31.7 75.1 -5.3 -45.2 -8 191 09 26 40 09 28 20 --- 20 22 08 31.9 75.4 -5.3 -45.3 92 197 09 26 41 09 28 20 ZW049 20 22 08 31.5 78.3 -5.2 -44.7 -29 197 No stop 09 31 20 --- 20 25 08 31.9 78.8 -5.1 -44.8 151 209 09 28 21 09 31 20 J0137+3309 20 25 08 32.4 75.9 -5.2 -45.5 -28 209 No stop 09 33 20 --- 20 27 09 32.7 76.3 -5.2 -45.5 92 216 09 31 21 09 33 20 ZW049 20 27 09 32.2 79.2 -5.1 -44.9 -29 216 No stop 09 36 20 --- 20 30 09 32.7 79.7 -5.0 -45.0 151 228 09 33 21 09 36 40 J0137+3309 20 30 29 33.2 76.9 -5.1 -45.7 -9 228 09 36 40 09 38 20 --- 20 32 10 33.4 77.2 -5.1 -45.8 91 234 09 36 41 09 38 20 ZW049 20 32 10 33.0 80.1 -5.0 -45.0 -29 234 No stop 09 41 20 --- 20 35 10 33.5 80.6 -5.0 -45.1 151 246 09 38 21 09 41 20 J0137+3309 20 35 10 33.9 77.7 -5.1 -45.9 -29 246 No stop 09 43 20 --- 20 37 10 34.2 78.0 -5.0 -46.0 91 254 09 41 21 09 43 20 ZW049 20 37 10 33.8 81.0 -4.9 -45.2 -29 254 No stop 09 46 20 --- 20 40 11 34.2 81.5 -4.9 -45.3 151 265 09 43 21 09 46 40 J0137+3309 20 40 31 34.7 78.6 -5.0 -46.1 -9 265 09 46 40 09 48 20 --- 20 42 11 34.9 78.9 -4.9 -46.1 91 272 09 46 41 09 48 20 ZW049 20 42 11 34.5 81.9 -4.8 -45.3 -30 272 No stop 09 51 20 --- 20 45 12 35.0 82.4 -4.8 -45.4 150 283 09 48 21 09 51 20 J0137+3309 20 45 12 35.4 79.4 -4.9 -46.3 -29 283 No stop 09 53 20 --- 20 47 12 35.7 79.8 -4.9 -46.3 91 291 09 51 21 09 53 20 ZW049 20 47 12 35.3 82.8 -4.8 -45.5 -30 291 No stop 09 56 20 --- 20 50 13 35.7 83.4 -4.7 -45.5 150 303 09 53 21 09 56 40 J0137+3309 20 50 33 36.2 80.4 -4.8 -46.4 -9 303 09 56 40 09 58 20 --- 20 52 13 36.5 80.7 -4.8 -46.5 91 309 09 56 41 09 58 20 ZW049 20 52 13 36.0 83.7 -4.7 -45.6 -30 309 No stop 10 01 20 --- 20 55 13 36.5 84.3 -4.6 -45.6 150 321 09 58 21 10 01 20 J0137+3309 20 55 13 36.9 81.2 -4.7 -46.6 -29 321 No stop 10 03 20 --- 20 57 14 37.2 81.6 -4.7 -46.6 91 328 10 01 21 Schedule for DEFFORD (Code De ) Page 4 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 10 03 20 ZW049 20 57 14 36.8 84.7 -4.6 -45.7 -30 328 No stop 10 06 20 --- 21 00 14 37.3 85.2 -4.5 -45.7 150 340 10 03 21 10 06 40 J0137+3309 21 00 34 37.7 82.2 -4.6 -46.7 -9 340 10 06 40 10 08 20 --- 21 02 15 38.0 82.5 -4.6 -46.8 91 347 10 06 41 10 08 20 ZW049 21 02 15 37.6 85.6 -4.5 -45.8 -30 347 No stop 10 11 20 --- 21 05 15 38.0 86.2 -4.5 -45.8 150 358 10 08 21 10 11 20 J0137+3309 21 05 15 38.4 83.1 -4.6 -46.8 -30 358 No stop 10 13 20 --- 21 07 15 38.7 83.4 -4.5 -46.9 90 366 10 11 21 10 13 20 ZW049 21 07 15 38.3 86.5 -4.4 -45.8 -30 366 No stop 10 16 20 --- 21 10 16 38.8 87.1 -4.4 -45.9 150 377 10 13 21 10 16 40 J0137+3309 21 10 36 39.3 84.0 -4.5 -47.0 -10 377 10 16 40 10 18 20 --- 21 12 16 39.5 84.3 -4.4 -47.0 90 384 10 16 41 10 18 20 ZW049 21 12 16 39.1 87.5 -4.3 -45.9 -31 384 No stop 10 21 20 --- 21 15 17 39.6 88.1 -4.3 -45.9 149 395 10 18 21 10 21 20 J0137+3309 21 15 17 40.0 84.9 -4.4 -47.0 -30 395 No stop 10 23 20 --- 21 17 17 40.3 85.3 -4.4 -47.1 90 403 10 21 21 10 23 20 ZW049 21 17 17 39.9 88.5 -4.3 -45.9 -31 403 No stop 10 26 20 --- 21 20 18 40.3 89.1 -4.2 -45.9 149 415 10 23 21 10 26 40 J0137+3309 21 20 38 40.8 85.9 -4.3 -47.1 -10 415 10 26 40 10 28 20 --- 21 22 18 41.0 86.2 -4.3 -47.2 90 421 10 26 41 10 28 20 ZW049 21 22 18 40.7 89.4 -4.2 -45.9 -31 421 No stop 10 31 20 --- 21 25 18 41.1 90.0 -4.1 -45.9 149 433 10 28 21 10 31 20 J0137+3309 21 25 18 41.5 86.8 -4.2 -47.2 -30 433 No stop 10 33 20 --- 21 27 19 41.8 87.2 -4.2 -47.2 90 441 10 31 21 10 33 20 ZW049 21 27 19 41.4 90.4 -4.1 -45.9 -31 441 No stop 10 36 20 --- 21 30 19 41.9 91.0 -4.0 -45.9 149 452 10 33 21 10 36 40 J0137+3309 21 30 39 42.3 87.8 -4.1 -47.2 -10 452 10 36 40 10 38 20 --- 21 32 19 42.6 88.1 -4.1 -47.3 90 459 10 36 41 10 38 20 ZW049 21 32 19 42.2 91.4 -4.0 -45.9 -31 459 No stop 10 41 20 --- 21 35 20 42.7 92.0 -4.0 -45.9 149 470 10 38 21 Schedule for DEFFORD (Code De ) Page 5 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 10 41 20 J0137+3309 21 35 20 43.0 88.7 -4.1 -47.3 -30 470 No stop 10 43 20 --- 21 37 20 43.4 89.1 -4.0 -47.3 90 478 10 41 21 10 43 20 ZW049 21 37 20 43.0 92.4 -3.9 -45.9 -31 478 No stop 10 46 20 --- 21 40 21 43.4 93.1 -3.9 -45.8 149 490 10 43 21 10 46 40 J0137+3309 21 40 41 43.9 89.7 -4.0 -47.3 -11 490 10 46 40 10 48 20 --- 21 42 21 44.1 90.1 -3.9 -47.3 89 496 10 46 41 10 48 20 ZW049 21 42 21 43.7 93.5 -3.8 -45.8 -32 496 No stop 10 51 20 --- 21 45 22 44.2 94.1 -3.8 -45.8 148 508 10 48 21 10 51 20 J0137+3309 21 45 22 44.6 90.7 -3.9 -47.3 -31 508 No stop 10 53 20 --- 21 47 22 44.9 91.1 -3.9 -47.3 89 515 10 51 21 10 53 20 ZW049 21 47 22 44.5 94.5 -3.8 -45.7 -32 515 No stop 10 56 20 --- 21 50 22 45.0 95.1 -3.7 -45.7 148 527 10 53 21 10 56 40 J0137+3309 21 50 42 45.4 91.7 -3.8 -47.3 -11 527 10 56 40 10 58 20 --- 21 52 23 45.7 92.1 -3.8 -47.2 89 533 10 56 41 10 58 20 ZW049 21 52 23 45.3 95.6 -3.7 -45.6 -32 533 No stop 11 01 20 --- 21 55 23 45.7 96.2 -3.6 -45.6 148 545 10 58 21 11 01 20 J0137+3309 21 55 23 46.1 92.7 -3.7 -47.2 -31 545 No stop 11 03 20 --- 21 57 24 46.4 93.1 -3.7 -47.2 89 553 11 01 21 11 03 20 ZW049 21 57 24 46.0 96.6 -3.6 -45.5 -32 553 No stop 11 06 20 --- 22 00 24 46.5 97.3 -3.5 -45.5 148 564 11 03 21 11 06 40 J0137+3309 22 00 44 46.9 93.8 -3.6 -47.2 -11 564 11 06 40 11 08 20 --- 22 02 24 47.2 94.1 -3.6 -47.1 89 571 11 06 41 11 13 20 J0237+2848 22 07 25 35.7 87.3 -4.5 -44.5 241 571 11 13 20 11 18 20 =0234+285 22 12 26 36.4 88.3 -4.4 -44.5 300 590 11 13 21 11 18 40 J0137+3309 22 12 46 48.8 96.4 -3.4 -46.9 -40 590 11 18 40 11 23 40 --- 22 17 47 49.5 97.5 -3.4 -46.8 260 609 11 18 41 11 23 40 ZW049 22 17 47 49.1 101.2 -3.2 -44.8 -33 609 No stop 11 26 40 --- 22 20 47 49.6 101.9 -3.2 -44.7 147 621 11 23 41 11 26 40 J0137+3309 22 20 47 50.0 98.1 -3.3 -46.7 -32 621 No stop 11 28 40 --- 22 22 48 50.3 98.6 -3.3 -46.6 88 629 11 26 41 Schedule for DEFFORD (Code De ) Page 6 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 11 28 40 ZW049 22 22 48 49.9 102.4 -3.2 -44.6 -33 629 No stop 11 31 40 --- 22 25 48 50.3 103.1 -3.1 -44.4 147 640 11 28 41 11 32 00 J0137+3309 22 26 08 50.8 99.3 -3.2 -46.5 -12 640 11 32 00 11 33 40 --- 22 27 49 51.1 99.7 -3.2 -46.4 88 647 11 32 01 11 33 40 ZW049 22 27 49 50.6 103.6 -3.1 -44.3 -34 647 No stop 11 36 40 --- 22 30 49 51.1 104.3 -3.0 -44.1 146 658 11 33 41 11 36 40 J0137+3309 22 30 49 51.5 100.4 -3.1 -46.3 -33 658 No stop 11 38 40 --- 22 32 49 51.8 100.9 -3.1 -46.2 87 666 11 36 41 11 38 40 ZW049 22 32 49 51.4 104.8 -3.0 -44.0 -34 666 No stop 11 41 40 --- 22 35 50 51.8 105.5 -2.9 -43.8 146 678 11 38 41 11 42 00 J0137+3309 22 36 10 52.3 101.7 -3.0 -46.0 -13 678 11 42 00 11 43 40 --- 22 37 50 52.6 102.1 -3.0 -45.9 87 684 11 42 01 11 43 40 ZW049 22 37 50 52.1 106.0 -2.9 -43.7 -34 684 No stop 11 46 40 --- 22 40 51 52.6 106.8 -2.9 -43.5 146 696 11 43 41 11 46 40 J0137+3309 22 40 51 53.0 102.8 -3.0 -45.8 -33 696 No stop 11 48 40 --- 22 42 51 53.3 103.3 -2.9 -45.7 87 703 11 46 41 11 48 40 ZW049 22 42 51 52.9 107.3 -2.8 -43.3 -34 703 No stop 11 51 40 --- 22 45 52 53.3 108.1 -2.8 -43.1 146 715 11 48 41 11 52 00 J0137+3309 22 46 12 53.8 104.1 -2.9 -45.5 -13 715 11 52 00 11 53 40 --- 22 47 52 54.1 104.5 -2.9 -45.3 87 721 11 52 01 11 53 40 ZW049 22 47 52 53.6 108.6 -2.7 -42.9 -35 721 No stop 11 56 40 --- 22 50 52 54.0 109.4 -2.7 -42.7 145 733 11 53 41 11 56 40 J0137+3309 22 50 52 54.5 105.3 -2.8 -45.1 -34 733 No stop 11 58 40 --- 22 52 53 54.8 105.8 -2.8 -45.0 86 741 11 56 41 11 58 40 ZW049 22 52 53 54.3 110.0 -2.7 -42.5 -35 741 No stop 12 01 40 --- 22 55 53 54.7 110.8 -2.6 -42.2 145 752 11 58 41 12 02 00 J0137+3309 22 56 13 55.3 106.6 -2.7 -44.8 -14 752 12 02 00 12 03 40 --- 22 57 53 55.6 107.1 -2.7 -44.6 86 759 12 02 01 12 03 40 ZW049 22 57 53 55.0 111.3 -2.6 -42.0 -35 759 No stop 12 06 40 --- 23 00 54 55.5 112.2 -2.5 -41.7 145 770 12 03 41 Schedule for DEFFORD (Code De ) Page 7 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 12 06 40 J0137+3309 23 00 54 56.0 107.9 -2.6 -44.4 -34 770 No stop 12 08 40 --- 23 02 54 56.3 108.4 -2.6 -44.2 86 778 12 06 41 12 08 40 ZW049 23 02 54 55.8 112.7 -2.5 -41.5 -35 778 No stop 12 11 40 --- 23 05 55 56.2 113.6 -2.4 -41.2 145 790 12 08 41 12 12 00 J0137+3309 23 06 15 56.8 109.3 -2.5 -43.9 -14 790 12 12 00 12 13 40 --- 23 07 55 57.0 109.8 -2.5 -43.7 86 796 12 12 01 12 13 40 ZW049 23 07 55 56.5 114.2 -2.4 -41.0 -36 796 No stop 12 16 40 --- 23 10 56 56.9 115.1 -2.4 -40.6 144 808 12 13 41 12 16 40 J0137+3309 23 10 56 57.5 110.6 -2.5 -43.4 -35 808 No stop 12 18 40 --- 23 12 56 57.7 111.2 -2.4 -43.2 85 815 12 16 41 12 18 40 ZW049 23 12 56 57.2 115.7 -2.3 -40.4 -36 815 No stop 12 21 40 --- 23 15 56 57.6 116.6 -2.3 -40.0 144 827 12 18 41 12 22 00 J0137+3309 23 16 17 58.2 112.2 -2.4 -42.9 -15 827 12 22 00 12 23 40 --- 23 17 57 58.5 112.6 -2.4 -42.7 85 833 12 22 01 12 23 40 ZW049 23 17 57 57.8 117.2 -2.2 -39.7 -36 833 No stop 12 26 40 --- 23 20 57 58.3 118.1 -2.2 -39.3 144 845 12 23 41 12 26 40 J0137+3309 23 20 57 58.9 113.5 -2.3 -42.3 -35 845 No stop 12 28 40 --- 23 22 58 59.2 114.1 -2.3 -42.1 85 853 12 26 41 12 28 40 ZW049 23 22 58 58.5 118.8 -2.2 -39.0 -37 853 No stop 12 31 40 --- 23 25 58 58.9 119.7 -2.1 -38.6 143 864 12 28 41 12 32 00 J0137+3309 23 26 18 59.6 115.2 -2.2 -41.7 -16 864 12 32 00 12 33 40 --- 23 27 58 59.9 115.7 -2.2 -41.5 84 871 12 32 01 12 33 40 ZW049 23 27 58 59.2 120.4 -2.1 -38.3 -37 871 No stop 12 36 40 --- 23 30 59 59.6 121.4 -2.0 -37.8 143 882 12 33 41 12 36 40 J0137+3309 23 30 59 60.3 116.6 -2.1 -41.1 -36 882 No stop 12 38 40 --- 23 32 59 60.6 117.3 -2.1 -40.8 84 890 12 36 41 12 38 40 ZW049 23 32 59 59.9 122.1 -2.0 -37.5 -37 890 No stop 12 41 40 --- 23 36 00 60.2 123.1 -1.9 -37.0 143 902 12 38 41 12 42 00 J0137+3309 23 36 20 61.0 118.4 -2.0 -40.3 -16 902 12 42 00 12 43 40 --- 23 38 00 61.2 118.9 -2.0 -40.0 84 908 12 42 01 Schedule for DEFFORD (Code De ) Page 8 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 12 43 40 ZW049 23 38 00 60.5 123.8 -1.9 -36.7 -38 908 No stop 12 46 40 --- 23 41 01 60.9 124.8 -1.9 -36.1 142 920 12 43 41 12 46 40 J0137+3309 23 41 01 61.6 119.9 -2.0 -39.6 -36 920 No stop 12 48 40 --- 23 43 01 61.9 120.6 -1.9 -39.2 84 927 12 46 41 12 48 40 ZW049 23 43 01 61.1 125.5 -1.8 -35.8 -38 927 No stop 12 51 40 --- 23 46 01 61.5 126.6 -1.8 -35.2 142 939 12 48 41 12 52 00 J0137+3309 23 46 21 62.3 121.8 -1.9 -38.7 -17 939 12 52 00 12 53 40 --- 23 48 02 62.6 122.4 -1.9 -38.4 83 946 12 52 01 12 53 40 ZW049 23 48 02 61.8 127.4 -1.7 -34.8 -38 946 No stop 12 56 40 --- 23 51 02 62.1 128.5 -1.7 -34.2 142 957 12 53 41 12 56 40 J0137+3309 23 51 02 62.9 123.4 -1.8 -37.8 -37 957 No stop 12 58 40 --- 23 53 03 63.2 124.2 -1.8 -37.4 83 965 12 56 41 12 58 40 ZW049 23 53 03 62.4 129.3 -1.7 -33.8 -38 965 No stop 13 01 40 --- 23 56 03 62.7 130.4 -1.6 -33.2 142 976 12 58 41 13 02 00 J0137+3309 23 56 23 63.6 125.4 -1.7 -36.8 -17 976 13 02 00 13 03 40 --- 23 58 03 63.8 126.1 -1.7 -36.4 83 983 13 02 01 13 03 40 ZW049 23 58 03 62.9 131.2 -1.6 -32.7 -39 983 No stop 13 06 40 --- 00 01 04 63.3 132.4 -1.5 -32.0 141 994 13 03 41 13 06 40 J0137+3309 00 01 04 64.2 127.2 -1.6 -35.8 -37 994 No stop 13 08 40 --- 00 03 04 64.4 128.0 -1.6 -35.4 83 1002 13 06 41 13 08 40 ZW049 00 03 04 63.5 133.2 -1.5 -31.6 -39 1002 No stop 13 11 40 --- 00 06 05 63.8 134.5 -1.4 -30.8 141 1014 13 08 41 13 12 00 J0137+3309 00 06 25 64.8 129.3 -1.5 -34.6 -17 1014 13 12 00 13 13 40 --- 00 08 05 65.0 130.0 -1.5 -34.2 83 1020 13 12 01 13 13 40 ZW049 00 08 05 64.1 135.3 -1.4 -30.4 -39 1020 No stop 13 16 40 --- 00 11 05 64.4 136.6 -1.4 -29.6 141 1032 13 13 41 13 16 40 J0137+3309 00 11 05 65.4 131.3 -1.5 -33.5 -38 1032 No stop 13 18 40 --- 00 13 06 65.6 132.1 -1.4 -33.0 82 1040 13 16 41 13 18 40 ZW049 00 13 06 64.6 137.5 -1.3 -29.1 -39 1040 No stop 13 21 40 --- 00 16 06 64.9 138.8 -1.3 -28.3 141 1051 13 18 41 Schedule for DEFFORD (Code De ) Page 9 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 13 22 00 J0137+3309 00 16 26 66.0 133.5 -1.4 -32.2 -18 1051 13 22 00 13 23 40 --- 00 18 07 66.2 134.3 -1.3 -31.7 82 1058 13 22 01 13 23 40 ZW049 00 18 07 65.1 139.7 -1.2 -27.7 -40 1058 No stop 13 26 40 --- 00 21 07 65.4 141.0 -1.2 -26.9 140 1069 13 23 41 13 26 40 J0137+3309 00 21 07 66.5 135.6 -1.3 -30.9 -38 1069 No stop 13 28 40 --- 00 23 07 66.7 136.5 -1.3 -30.4 82 1077 13 26 41 13 28 40 ZW049 00 23 07 65.6 142.0 -1.2 -26.3 -40 1077 No stop 13 31 40 --- 00 26 08 65.9 143.4 -1.1 -25.4 140 1089 13 28 41 13 32 00 J0137+3309 00 26 28 67.1 138.1 -1.2 -29.4 -18 1089 13 32 00 13 33 40 --- 00 28 08 67.2 138.8 -1.2 -28.9 82 1095 13 32 01 13 33 40 ZW049 00 28 08 66.1 144.3 -1.1 -24.8 -40 1095 No stop 13 36 40 --- 00 31 09 66.3 145.8 -1.0 -23.8 140 1107 13 33 41 13 36 40 J0137+3309 00 31 09 67.5 140.3 -1.1 -28.0 -38 1107 No stop 13 38 40 --- 00 33 09 67.7 141.3 -1.1 -27.4 82 1114 13 36 41 13 38 40 ZW049 00 33 09 66.5 146.8 -1.0 -23.2 -40 1114 No stop 13 41 40 --- 00 36 10 66.7 148.3 -0.9 -22.2 140 1126 13 38 41 13 42 00 J0137+3309 00 36 30 68.1 142.9 -1.0 -26.3 -18 1126 13 42 00 13 43 40 --- 00 38 10 68.2 143.8 -1.0 -25.7 82 1132 13 42 01 13 44 40 J0530+1331 00 39 10 20.9 94.7 -4.9 -39.0 -109 1132 13 44 40 13 51 40 =0528+134 00 46 11 22.0 96.1 -4.8 -38.9 311 1159 13 44 41 13 52 00 J0137+3309 00 46 31 68.9 148.1 -0.9 -22.8 -163 1159 13 52 00 13 59 00 --- 00 53 32 69.5 152.0 -0.8 -20.2 257 1186 13 52 01 13 59 00 ZW049 00 53 32 68.0 157.4 -0.6 -16.0 -40 1186 No stop 14 02 00 --- 00 56 33 68.1 159.0 -0.6 -14.9 140 1198 13 59 01 14 02 00 J0137+3309 00 56 33 69.7 153.7 -0.7 -19.0 -37 1198 No stop 14 04 00 --- 00 58 33 69.8 154.8 -0.7 -18.2 83 1206 14 02 01 14 04 00 ZW049 00 58 33 68.2 160.2 -0.6 -14.1 -40 1206 No stop 14 07 00 --- 01 01 34 68.4 161.8 -0.5 -12.9 140 1217 14 04 01 14 07 20 J0137+3309 01 01 54 70.0 156.7 -0.6 -16.9 -17 1217 14 07 20 14 09 00 --- 01 03 34 70.1 157.7 -0.6 -16.2 83 1224 14 07 21 Schedule for DEFFORD (Code De ) Page 10 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 14 09 00 ZW049 01 03 34 68.5 163.0 -0.5 -12.1 -39 1224 No stop 14 12 00 --- 01 06 35 68.6 164.7 -0.4 -10.9 141 1235 14 09 01 14 12 00 J0137+3309 01 06 35 70.3 159.5 -0.5 -14.9 -37 1235 No stop 14 14 00 --- 01 08 35 70.4 160.7 -0.5 -14.0 83 1243 14 12 01 14 14 00 ZW049 01 08 35 68.7 165.9 -0.4 -10.1 -39 1243 No stop 14 17 00 --- 01 11 35 68.8 167.6 -0.3 -8.9 141 1255 14 14 01 14 17 20 J0137+3309 01 11 55 70.6 162.8 -0.5 -12.6 -16 1255 14 17 20 14 19 00 --- 01 13 36 70.6 163.8 -0.4 -11.8 84 1261 14 17 21 14 19 00 ZW049 01 13 36 68.9 168.8 -0.3 -8.0 -39 1261 No stop 14 22 00 --- 01 16 36 68.9 170.6 -0.3 -6.8 141 1273 14 19 01 14 22 00 J0137+3309 01 16 36 70.8 165.6 -0.4 -10.5 -36 1273 No stop 14 24 00 --- 01 18 37 70.8 166.9 -0.3 -9.6 84 1280 14 22 01 14 24 00 ZW049 01 18 37 69.0 171.7 -0.2 -5.9 -38 1280 No stop 14 27 00 --- 01 21 37 69.0 173.5 -0.2 -4.6 142 1292 14 24 01 14 27 20 J0137+3309 01 21 57 70.9 169.0 -0.3 -8.1 -15 1292 14 27 20 14 29 00 --- 01 23 37 71.0 170.1 -0.3 -7.3 85 1298 14 27 21 14 29 00 ZW049 01 23 37 69.1 174.7 -0.1 -3.8 -37 1298 No stop 14 32 00 --- 01 26 38 69.1 176.5 -0.1 -2.5 143 1310 14 29 01 14 32 00 J0137+3309 01 26 38 71.0 172.0 -0.2 -5.9 -34 1310 No stop 14 34 00 --- 01 28 38 71.1 173.3 -0.2 -4.9 86 1318 14 32 01 14 34 00 ZW049 01 28 38 69.1 177.7 -0.1 -1.6 -37 1318 No stop 14 37 00 --- 01 31 39 69.1 179.5 -0.0 -0.3 143 1329 14 34 01 14 37 20 J0137+3309 01 31 59 71.1 175.4 -0.1 -3.4 -14 1329 14 37 20 14 39 00 --- 01 33 39 71.2 176.5 -0.1 -2.6 86 1336 14 37 21 14 39 00 ZW049 01 33 39 69.1 180.7 0.0 0.5 -36 1336 No stop 14 42 00 --- 01 36 40 69.1 182.5 0.1 1.8 144 1347 14 39 01 14 42 00 J0137+3309 01 36 40 71.2 178.5 -0.0 -1.1 -33 1347 No stop 14 44 00 --- 01 38 40 71.2 179.8 -0.0 -0.2 87 1355 14 42 01 14 44 00 ZW049 01 38 40 69.1 183.7 0.1 2.7 -35 1355 No stop 14 47 00 --- 01 41 40 69.1 185.5 0.2 4.0 145 1367 14 44 01 Schedule for DEFFORD (Code De ) Page 11 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 14 47 20 J0137+3309 01 42 00 71.2 181.9 0.0 1.4 -12 1367 14 47 20 14 49 00 --- 01 43 41 71.2 183.0 0.1 2.2 88 1373 14 47 21 14 49 00 ZW049 01 43 41 69.0 186.7 0.2 4.8 -34 1373 No stop 14 52 00 --- 01 46 41 69.0 188.5 0.2 6.1 146 1385 14 49 01 14 52 00 J0137+3309 01 46 41 71.1 184.9 0.1 3.6 -31 1385 No stop 14 54 00 --- 01 48 41 71.1 186.2 0.2 4.6 89 1393 14 52 01 14 54 00 ZW049 01 48 41 68.9 189.7 0.3 7.0 -33 1393 No stop 14 57 00 --- 01 51 42 68.8 191.5 0.3 8.2 147 1404 14 54 01 14 57 20 J0137+3309 01 52 02 71.0 188.4 0.2 6.1 -9 1404 14 57 20 14 59 00 --- 01 53 42 71.0 189.4 0.2 6.9 91 1411 14 57 21 14 59 00 ZW049 01 53 42 68.8 192.7 0.4 9.1 -32 1411 No stop 15 02 00 --- 01 56 43 68.7 194.4 0.4 10.3 148 1422 14 59 01 15 02 00 J0137+3309 01 56 43 70.9 191.4 0.3 8.3 -28 1422 No stop 15 04 00 --- 01 58 43 70.8 192.6 0.3 9.2 92 1430 15 02 01 15 04 00 ZW049 01 58 43 68.6 195.6 0.4 11.1 -30 1430 No stop 15 07 00 --- 02 01 44 68.5 197.3 0.5 12.3 150 1441 15 04 01 15 07 20 J0137+3309 02 02 04 70.7 194.7 0.4 10.8 -7 1441 15 07 20 15 09 00 --- 02 03 44 70.7 195.7 0.4 11.5 93 1448 15 07 21 15 09 00 ZW049 02 03 44 68.4 198.4 0.5 13.1 -29 1448 No stop 15 12 00 --- 02 06 44 68.2 200.1 0.6 14.3 151 1460 15 09 01 15 12 00 J0137+3309 02 06 44 70.5 197.6 0.5 12.8 -26 1460 No stop 15 14 00 --- 02 08 45 70.4 198.8 0.5 13.7 94 1467 15 12 01 15 14 00 ZW049 02 08 45 68.1 201.2 0.6 15.1 -28 1467 No stop 15 17 00 --- 02 11 45 67.9 202.9 0.7 16.2 152 1479 15 14 01 15 17 20 J0137+3309 02 12 05 70.3 200.8 0.6 15.1 -6 1479 15 17 20 15 19 00 --- 02 13 46 70.2 201.8 0.6 15.9 94 1485 15 17 21 15 19 00 ZW049 02 13 46 67.8 204.0 0.7 17.0 -26 1485 No stop 15 22 00 --- 02 16 46 67.6 205.6 0.7 18.1 154 1497 15 19 01 15 22 00 J0137+3309 02 16 46 70.0 203.6 0.6 17.1 -26 1497 No stop 15 24 00 --- 02 18 46 69.9 204.8 0.7 17.9 94 1505 15 22 01 Schedule for DEFFORD (Code De ) Page 12 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 15 24 00 ZW049 02 18 46 67.5 206.6 0.8 18.8 -27 1505 No stop 15 27 00 --- 02 21 47 67.3 208.2 0.8 19.9 153 1516 15 24 01 15 27 20 J0137+3309 02 22 07 69.6 206.7 0.7 19.3 -6 1516 15 27 20 15 29 00 --- 02 23 47 69.5 207.6 0.7 19.9 94 1523 15 27 21 15 29 00 ZW049 02 23 47 67.1 209.3 0.9 20.6 -27 1523 No stop 15 32 00 --- 02 26 48 66.9 210.8 0.9 21.6 153 1534 15 29 01 15 32 00 J0137+3309 02 26 48 69.3 209.3 0.8 21.1 -26 1534 No stop 15 34 00 --- 02 28 48 69.1 210.4 0.8 21.8 94 1542 15 32 01 15 34 00 ZW049 02 28 48 66.7 211.8 0.9 22.2 -27 1542 No stop 15 37 00 --- 02 31 49 66.5 213.3 1.0 23.2 153 1554 15 34 01 15 37 20 J0137+3309 02 32 09 68.9 212.2 0.9 23.0 -6 1554 15 37 20 15 39 00 --- 02 33 49 68.7 213.1 0.9 23.6 94 1560 15 37 21 15 39 00 ZW049 02 33 49 66.3 214.3 1.0 23.9 -27 1560 No stop 15 42 00 --- 02 36 49 66.0 215.7 1.1 24.8 153 1572 15 39 01 15 42 00 J0137+3309 02 36 49 68.5 214.7 1.0 24.7 -27 1572 No stop 15 44 00 --- 02 38 50 68.3 215.7 1.0 25.4 93 1579 15 42 01 15 44 00 ZW049 02 38 50 65.9 216.7 1.1 25.4 -27 1579 No stop 15 47 00 --- 02 41 50 65.6 218.1 1.2 26.3 153 1591 15 44 01 15 47 20 J0137+3309 02 42 10 68.0 217.4 1.1 26.5 -7 1591 15 47 20 15 49 00 --- 02 43 51 67.8 218.2 1.1 27.0 93 1597 15 47 21 15 49 00 ZW049 02 43 51 65.4 219.0 1.2 26.9 -27 1597 No stop 15 52 00 --- 02 46 51 65.1 220.4 1.2 27.7 153 1609 15 49 01 15 52 00 J0137+3309 02 46 51 67.6 219.7 1.1 28.0 -27 1609 No stop 15 54 00 --- 02 48 51 67.4 220.6 1.2 28.6 93 1617 15 52 01 15 54 00 ZW049 02 48 51 64.9 221.3 1.3 28.3 -27 1617 No stop 15 57 00 --- 02 51 52 64.6 222.6 1.3 29.1 153 1628 15 54 01 15 57 20 J0137+3309 02 52 12 67.0 222.2 1.2 29.6 -7 1628 15 57 20 15 59 00 --- 02 53 52 66.8 223.0 1.2 30.1 93 1635 15 57 21 15 59 00 ZW049 02 53 52 64.4 223.5 1.4 29.6 -27 1635 No stop 16 02 00 --- 02 56 53 64.1 224.7 1.4 30.4 153 1646 15 59 01 Schedule for DEFFORD (Code De ) Page 13 EVN+e-MERLIN -Growing black holes or supernova factories in extremely op 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 ---------------------------------------------------------------------------------------- --- Thu 7 Mar 2024 Day 67 --- 16 02 00 J0137+3309 02 56 53 66.5 224.3 1.3 30.9 -27 1646 No stop 16 04 00 --- 02 58 53 66.3 225.2 1.3 31.5 93 1654 16 02 01 16 04 00 ZW049 02 58 53 63.8 225.6 1.4 30.9 -27 1654 No stop 16 07 00 --- 03 01 53 63.5 226.8 1.5 31.6 153 1666 16 04 01 16 07 20 J0137+3309 03 02 14 65.9 226.7 1.4 32.3 -7 1666 16 07 20 16 09 00 --- 03 03 54 65.7 227.4 1.4 32.8 93 1672 16 07 21 16 09 00 ZW049 03 03 54 63.3 227.6 1.5 32.1 -27 1672 No stop 16 12 00 --- 03 06 54 62.9 228.8 1.6 32.7 153 1684 16 09 01 16 12 00 J0137+3309 03 06 54 65.4 228.7 1.5 33.5 -27 1684 No stop 16 14 00 --- 03 08 55 65.2 229.5 1.5 34.0 93 1691 16 12 01 16 14 00 ZW049 03 08 55 62.7 229.6 1.6 33.2 -27 1691 No stop 16 17 00 --- 03 11 55 62.3 230.8 1.7 33.8 153 1703 16 14 01 16 17 20 J0137+3309 03 12 15 64.8 230.9 1.6 34.8 -7 1703 16 17 20 16 19 00 --- 03 13 55 64.6 231.6 1.6 35.1 93 1709 16 17 21 16 20 00 J0530+1331 03 14 56 42.7 131.7 -2.3 -28.1 -258 1709 16 20 00 16 30 00 =0528+134 03 24 57 43.8 134.7 -2.1 -26.7 342 1748 16 20 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess124.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: 16 Station: DEFFORD Total bit rate: 512 Format: VDIF Bits per sample: 2 Sample rate:128.000 Number of channels: 2 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 2272.00 2272.00 Net SB= U U IF SB = L L Pol. = RCP LCP BBC = 1 9 BBC SB= L L IF = A1 B1 The following frequency sets based on these setups were used. Frequency Set: 7 Setup file default. Used with PCAL = off LO sum= 1626.49 1626.49 BBC fr= 645.51 645.51 Bandwd= 64.00 64.00 Matching frequency sets: 7 8 9 10 11 Track assignments are: track1= 1, 2 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * ZW049 01 28 16.137508 * 01 31 05.200000 01 32 25.380551 0.00 30 51 31.76010 * 31 06 58.00000 31 14 25.58053 0.00 From catalog imbedded in main SCHED input file. Target * J0137+3309 01 34 49.826479 * 01 37 41.299545 01 39 02.639199 0.00 32 54 20.25999 * 33 09 35.13417 33 16 58.08178 0.00 From catalog imbedded in main SCHED input file. Phaseref approx 2.48 degrees from ZW049 0234+285 02 34 55.589590 * 02 37 52.405677 02 39 16.724622 0.00 * J0237+2848 28 35 11.40773 * 28 48 08.98999 28 54 27.24159 0.00 J0237+28 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 58420 observations. 0528+134 05 28 06.759216 * 05 30 56.416746 05 32 18.371544 0.21 * J0530+1331 13 29 42.28882 * 13 31 55.14948 13 33 00.55651 0.24 J0530+13 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 138236 observations. * 3C286 13 28 49.657769 * 13 31 08.288061 13 32 16.510006 0.17 J1331+3030 30 45 58.64066 * 30 30 32.95930 30 22 51.76427 0.16 1328+307 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J1331+30 GSFC 2016a X/S astro solution, 269 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 ZW049 sess124.L1024 1 2 3 4 5 6 7 12 13 14 15 1 + 4.100 383.846 J0137+3309 sess124.L1024 1 2 3 4 5 6 7 12 13 14 15 1 + 2.789 240.092 J0237+2848 sess124.L1024 1 2 3 4 5 6 7 12 13 14 15 1 + 0.250 19.920 J0530+1331 sess124.L1024 1 2 3 4 5 6 7 12 13 14 15 1 + 0.283 21.510 3C286 sess124.L1024 1 2 3 4 5 6 7 0.117 6.417 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) ZW049 49.0 J0137+3309 51.4 J0237+2848 59.8 J0530+1331 95.7 3C286 138.7 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