COVER INFORMATION Station: SVETLOE (Code Sv ) Experiment: Resolving a gravitationally lensed dual back-hole system at z = 2.37 Exp. Code: em153a Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: John McKean Address: ASTRON Postbus 2 7990 AA, Dwingeloo the Netherlands Phone: +31 521 595 780 EMAIL: mckean@astron.nl Fax: +31 521 595 101 Phone during observation: +31 624 328 991 Observing mode: 18cm 1024-8-2 Notes: Schedule for SVETLOE (Code Sv ) Page 2 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- Next scan frequencies: 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 Next BBC frequencies: 366.49 366.49 366.49 366.49 430.49 430.49 430.49 430.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 19 30 00 J1639+8631 13 55 22 63.2 365.0 -2.6 -136.0 0 0 19 30 00 19 31 30 =1654+866 13 56 52 63.2 364.9 -2.6 -136.5 90 12 19 30 01 19 31 30 PSJ1721+8842 13 56 52 61.4 362.0 -3.1 -131.5 -20 12 No stop 19 34 55 --- 14 00 18 61.4 362.0 -3.1 -132.4 185 38 19 31 31 19 35 40 J1639+8631 14 01 03 63.2 364.8 -2.5 -137.6 25 38 19 35 40 19 37 05 =1654+866 14 02 28 63.2 364.8 -2.5 -138.0 85 49 19 35 41 19 37 05 PSJ1721+8842 14 02 28 61.4 362.0 -3.0 -133.0 -20 49 No stop 19 40 30 --- 14 05 54 61.5 361.9 -3.0 -133.9 185 75 19 37 06 19 40 30 J1639+8631 14 05 54 63.3 364.7 -2.5 -138.9 -20 75 No stop 19 42 00 =1654+866 14 07 24 63.3 364.7 -2.4 -139.3 70 87 19 40 31 19 42 00 PSJ1721+8842 14 07 24 61.5 361.9 -2.9 -134.3 -20 87 No stop 19 45 25 --- 14 10 50 61.5 361.9 -2.9 -135.1 185 113 19 42 01 19 46 10 J1639+8631 14 11 35 63.3 364.5 -2.4 -140.5 25 113 19 46 10 19 47 35 =1654+866 14 13 00 63.3 364.5 -2.3 -140.8 85 124 19 46 11 19 47 35 PSJ1721+8842 14 13 00 61.5 361.9 -2.8 -135.7 -20 124 No stop 19 51 00 --- 14 16 25 61.5 361.8 -2.8 -136.6 185 150 19 47 36 19 51 00 J1639+8631 14 16 25 63.4 364.4 -2.3 -141.8 -19 150 No stop 19 52 30 =1654+866 14 17 56 63.4 364.4 -2.3 -142.2 71 162 19 51 01 19 52 30 PSJ1721+8842 14 17 56 61.5 361.8 -2.8 -137.0 -19 162 No stop 19 55 55 --- 14 21 21 61.5 361.8 -2.7 -137.8 186 188 19 52 31 19 56 40 J1639+8631 14 22 06 63.4 364.3 -2.2 -143.3 26 188 19 56 40 19 58 05 =1654+866 14 23 32 63.4 364.2 -2.2 -143.7 85 199 19 56 41 19 58 05 PSJ1721+8842 14 23 32 61.5 361.8 -2.7 -138.4 -19 199 No stop 20 01 30 --- 14 26 57 61.5 361.7 -2.6 -139.3 186 225 19 58 06 20 01 30 J1639+8631 14 26 57 63.5 364.1 -2.1 -144.7 -19 225 No stop 20 03 00 =1654+866 14 28 27 63.5 364.1 -2.1 -145.1 71 237 20 01 31 20 03 00 PSJ1721+8842 14 28 27 61.5 361.7 -2.6 -139.7 -19 237 No stop 20 06 25 --- 14 31 53 61.6 361.7 -2.5 -140.6 186 263 20 03 01 Schedule for SVETLOE (Code Sv ) Page 3 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 20 07 10 J1639+8631 14 32 38 63.5 364.0 -2.0 -146.2 26 263 20 07 10 20 08 35 =1654+866 14 34 03 63.5 363.9 -2.0 -146.6 85 274 20 07 11 20 08 35 PSJ1721+8842 14 34 03 61.6 361.7 -2.5 -141.1 -18 274 No stop 20 12 00 --- 14 37 29 61.6 361.7 -2.4 -142.0 187 300 20 08 36 20 12 00 J1639+8631 14 37 29 63.6 363.8 -1.9 -147.6 -18 300 No stop 20 13 30 =1654+866 14 38 59 63.6 363.8 -1.9 -148.0 72 312 20 12 01 20 13 30 PSJ1721+8842 14 38 59 61.6 361.6 -2.4 -142.4 -18 312 No stop 20 16 55 --- 14 42 25 61.6 361.6 -2.4 -143.3 187 338 20 13 31 20 17 40 J1639+8631 14 43 10 63.6 363.7 -1.8 -149.1 27 338 20 17 40 20 19 05 =1654+866 14 44 35 63.6 363.6 -1.8 -149.5 85 349 20 17 41 20 19 05 PSJ1721+8842 14 44 35 61.6 361.6 -2.3 -143.8 -18 349 No stop 20 22 30 --- 14 48 01 61.6 361.5 -2.3 -144.7 187 375 20 19 06 20 22 30 J1639+8631 14 48 01 63.6 363.5 -1.8 -150.5 -18 375 No stop 20 24 00 =1654+866 14 49 31 63.6 363.5 -1.7 -150.9 72 387 20 22 31 20 24 00 PSJ1721+8842 14 49 31 61.6 361.5 -2.2 -145.1 -18 387 No stop 20 27 25 --- 14 52 56 61.6 361.5 -2.2 -146.0 187 413 20 24 01 20 28 10 J1639+8631 14 53 42 63.7 363.3 -1.7 -152.0 27 413 20 28 10 20 29 35 =1654+866 14 55 07 63.7 363.3 -1.6 -152.4 85 424 20 28 11 20 29 35 PSJ1721+8842 14 55 07 61.6 361.5 -2.1 -146.6 -18 424 No stop 20 33 00 --- 14 58 32 61.7 361.4 -2.1 -147.5 187 450 20 29 36 20 33 00 J1639+8631 14 58 32 63.7 363.2 -1.6 -153.4 -18 450 No stop 20 34 30 =1654+866 15 00 03 63.7 363.2 -1.6 -153.8 72 462 20 33 01 20 34 30 PSJ1721+8842 15 00 03 61.7 361.4 -2.1 -147.8 -18 462 No stop 20 37 55 --- 15 03 28 61.7 361.4 -2.0 -148.7 187 488 20 34 31 20 38 40 J1639+8631 15 04 13 63.7 363.0 -1.5 -155.0 27 488 20 38 40 20 40 05 =1654+866 15 05 39 63.8 363.0 -1.5 -155.4 85 499 20 38 41 20 40 05 PSJ1721+8842 15 05 39 61.7 361.4 -2.0 -149.3 -18 499 No stop 20 43 30 --- 15 09 04 61.7 361.3 -1.9 -150.2 187 525 20 40 06 20 43 30 J1639+8631 15 09 04 63.8 362.9 -1.4 -156.3 -18 525 No stop 20 45 00 =1654+866 15 10 34 63.8 362.8 -1.4 -156.7 72 537 20 43 31 Schedule for SVETLOE (Code Sv ) Page 4 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 20 45 00 PSJ1721+8842 15 10 34 61.7 361.3 -1.9 -150.6 -18 537 No stop 20 48 25 --- 15 14 00 61.7 361.3 -1.8 -151.5 187 563 20 45 01 20 49 10 J1639+8631 15 14 45 63.8 362.7 -1.3 -157.9 27 563 20 49 10 20 50 35 =1654+866 15 16 10 63.8 362.6 -1.3 -158.3 85 574 20 49 11 20 50 35 PSJ1721+8842 15 16 10 61.7 361.3 -1.8 -152.0 -18 574 No stop 20 54 00 --- 15 19 36 61.7 361.2 -1.7 -152.9 187 600 20 50 36 20 54 00 J1639+8631 15 19 36 63.8 362.5 -1.2 -159.2 -18 600 No stop 20 55 30 =1654+866 15 21 06 63.8 362.5 -1.2 -159.7 72 612 20 54 01 21 00 30 3C345 15 26 07 66.0 501.1 -1.3 -23.7 137 612 21 00 30 21 05 30 --- 15 31 08 66.4 503.3 -1.2 -22.5 300 650 21 00 31 21 10 30 J1639+8631 15 36 09 63.9 362.0 -1.0 -163.9 134 650 21 10 30 21 15 30 =1654+866 15 41 09 63.9 361.8 -0.9 -165.3 300 688 21 10 31 21 15 30 PSJ1721+8842 15 41 09 61.8 361.0 -1.4 -158.5 -18 688 No stop 21 18 55 --- 15 44 35 61.8 360.9 -1.3 -159.4 187 715 21 15 31 21 19 40 J1639+8631 15 45 20 64.0 361.7 -0.8 -166.4 27 715 21 19 40 21 21 05 =1654+866 15 46 45 64.0 361.6 -0.8 -166.8 85 726 21 19 41 21 21 05 PSJ1721+8842 15 46 45 61.8 360.9 -1.3 -160.0 -18 726 No stop 21 24 30 --- 15 50 11 61.8 360.9 -1.2 -160.9 187 752 21 21 06 21 24 30 J1639+8631 15 50 11 64.0 361.5 -0.7 -167.8 -18 752 No stop 21 26 00 =1654+866 15 51 41 64.0 361.5 -0.7 -168.2 72 763 21 24 31 21 26 00 PSJ1721+8842 15 51 41 61.8 360.9 -1.2 -161.3 -18 763 No stop 21 29 25 --- 15 55 07 61.8 360.8 -1.1 -162.1 187 790 21 26 01 21 30 10 J1639+8631 15 55 52 64.0 361.3 -0.6 -169.4 27 790 21 30 10 21 31 35 =1654+866 15 57 17 64.0 361.3 -0.6 -169.8 85 801 21 30 11 21 31 35 PSJ1721+8842 15 57 17 61.8 360.8 -1.1 -162.7 -18 801 No stop 21 35 00 --- 16 00 43 61.8 360.8 -1.0 -163.6 187 827 21 31 36 21 35 00 J1639+8631 16 00 43 64.0 361.1 -0.5 -170.7 -18 827 No stop 21 36 30 =1654+866 16 02 13 64.0 361.1 -0.5 -171.2 72 838 21 35 01 21 36 30 PSJ1721+8842 16 02 13 61.8 360.7 -1.0 -164.0 -18 838 No stop 21 39 55 --- 16 05 38 61.8 360.7 -1.0 -164.9 187 865 21 36 31 Schedule for SVETLOE (Code Sv ) Page 5 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 21 40 40 J1639+8631 16 06 23 64.0 361.0 -0.5 -172.3 27 865 21 40 40 21 42 05 =1654+866 16 07 49 64.0 360.9 -0.4 -172.7 85 876 21 40 41 21 42 05 PSJ1721+8842 16 07 49 61.8 360.7 -0.9 -165.4 -18 876 No stop 21 45 30 --- 16 11 14 61.8 360.6 -0.9 -166.3 187 902 21 42 06 21 45 30 J1639+8631 16 11 14 64.0 360.8 -0.4 -173.7 -18 902 No stop 21 47 00 =1654+866 16 12 45 64.0 360.7 -0.3 -174.1 72 913 21 45 31 21 47 00 PSJ1721+8842 16 12 45 61.8 360.6 -0.8 -166.7 -18 913 No stop 21 50 25 --- 16 16 10 61.8 360.6 -0.8 -167.6 187 940 21 47 01 21 51 10 J1639+8631 16 16 55 64.0 360.6 -0.3 -175.3 27 940 21 51 10 21 52 35 =1654+866 16 18 20 64.0 360.5 -0.3 -175.7 85 951 21 51 11 21 52 35 PSJ1721+8842 16 18 20 61.8 360.5 -0.8 -168.2 -18 951 No stop 21 56 00 --- 16 21 46 61.8 360.5 -0.7 -169.1 187 977 21 52 36 21 56 00 J1639+8631 16 21 46 64.0 360.4 -0.2 -176.7 -18 977 No stop 21 57 30 =1654+866 16 23 16 64.0 360.4 -0.2 -177.1 72 988 21 56 01 21 57 30 PSJ1721+8842 16 23 16 61.8 360.5 -0.7 -169.5 -18 988 No stop 22 00 55 --- 16 26 42 61.8 360.4 -0.6 -170.4 187 1015 21 57 31 22 01 40 J1639+8631 16 27 27 64.0 360.2 -0.1 -178.2 27 1015 22 01 40 22 03 05 =1654+866 16 28 52 64.0 360.2 -0.1 -178.6 85 1026 22 01 41 22 03 05 PSJ1721+8842 16 28 52 61.8 360.4 -0.6 -170.9 -18 1026 No stop 22 06 30 --- 16 32 18 61.8 360.4 -0.5 -171.8 187 1052 22 03 06 22 06 30 J1639+8631 16 32 18 64.0 360.0 -0.0 -179.6 -18 1052 No stop 22 08 00 =1654+866 16 33 48 64.0 360.0 0.0 180.0 72 1063 22 06 31 22 08 00 PSJ1721+8842 16 33 48 61.8 360.4 -0.5 -172.2 -18 1063 No stop 22 11 25 --- 16 37 14 61.8 360.3 -0.4 -173.1 187 1090 22 08 01 22 12 10 J1639+8631 16 37 59 64.0 359.8 0.1 178.8 27 1090 22 12 10 22 13 35 =1654+866 16 39 24 64.0 359.8 0.1 178.4 85 1101 22 12 11 22 13 35 PSJ1721+8842 16 39 24 61.8 360.3 -0.4 -173.7 -18 1101 No stop 22 17 00 --- 16 42 49 61.8 360.3 -0.3 -174.6 187 1127 22 13 36 22 17 00 J1639+8631 16 42 49 64.0 359.7 0.2 177.4 -18 1127 No stop 22 18 30 =1654+866 16 44 20 64.0 359.6 0.2 177.0 72 1138 22 17 01 Schedule for SVETLOE (Code Sv ) Page 6 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 22 18 30 PSJ1721+8842 16 44 20 61.8 360.2 -0.3 -175.0 -18 1138 No stop 22 21 55 --- 16 47 45 61.8 360.2 -0.3 -175.9 187 1165 22 18 31 22 22 40 J1639+8631 16 48 30 64.0 359.5 0.2 175.8 27 1165 22 22 40 22 24 05 =1654+866 16 49 56 64.0 359.4 0.3 175.4 85 1176 22 22 41 22 24 05 PSJ1721+8842 16 49 56 61.8 360.2 -0.2 -176.4 -18 1176 No stop 22 27 30 --- 16 53 21 61.9 360.1 -0.2 -177.3 187 1202 22 24 06 22 27 30 J1639+8631 16 53 21 64.0 359.3 0.3 174.5 -18 1202 No stop 22 29 00 =1654+866 16 54 51 64.0 359.3 0.4 174.1 72 1213 22 27 31 22 29 00 PSJ1721+8842 16 54 51 61.9 360.1 -0.1 -177.7 -18 1213 No stop 22 32 25 --- 16 58 17 61.9 360.1 -0.1 -178.6 187 1240 22 29 01 22 33 10 J1639+8631 16 59 02 64.0 359.1 0.4 172.9 27 1240 22 33 10 22 34 35 =1654+866 17 00 27 64.0 359.1 0.4 172.5 85 1251 22 33 11 22 34 35 PSJ1721+8842 17 00 27 61.9 360.0 -0.1 -179.2 -18 1251 No stop 22 38 00 --- 17 03 53 61.9 360.0 0.0 179.9 187 1277 22 34 36 22 38 00 J1639+8631 17 03 53 64.0 358.9 0.5 171.5 -18 1277 No stop 22 39 30 =1654+866 17 05 23 64.0 358.9 0.5 171.1 72 1288 22 38 01 22 39 30 PSJ1721+8842 17 05 23 61.9 360.0 0.0 179.6 -18 1288 No stop 22 42 55 --- 17 08 49 61.9 359.9 0.1 178.7 187 1315 22 39 31 22 43 40 J1639+8631 17 09 34 64.0 358.8 0.6 169.9 27 1315 22 43 40 22 45 05 =1654+866 17 10 59 64.0 358.7 0.6 169.5 85 1326 22 43 41 22 45 05 PSJ1721+8842 17 10 59 61.9 359.9 0.1 178.1 -18 1326 No stop 22 48 30 --- 17 14 25 61.9 359.9 0.2 177.2 187 1352 22 45 06 22 48 30 J1639+8631 17 14 25 64.0 358.6 0.7 168.6 -18 1352 No stop 22 50 00 =1654+866 17 15 55 64.0 358.5 0.7 168.1 72 1363 22 48 31 22 50 00 PSJ1721+8842 17 15 55 61.9 359.9 0.2 176.8 -18 1363 No stop 22 53 25 --- 17 19 20 61.8 359.8 0.3 175.9 187 1390 22 50 01 22 54 10 J1639+8631 17 20 06 64.0 358.4 0.8 167.0 27 1390 22 54 10 22 55 35 =1654+866 17 21 31 64.0 358.3 0.8 166.6 85 1401 22 54 11 22 55 35 PSJ1721+8842 17 21 31 61.8 359.8 0.3 175.3 -18 1401 No stop 22 59 00 --- 17 24 56 61.8 359.7 0.4 174.5 187 1427 22 55 36 Schedule for SVETLOE (Code Sv ) Page 7 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 22 59 00 J1639+8631 17 24 56 63.9 358.2 0.9 165.6 -18 1427 No stop 23 00 30 =1654+866 17 26 27 63.9 358.2 0.9 165.2 72 1438 22 59 01 23 00 30 PSJ1721+8842 17 26 27 61.8 359.7 0.4 174.1 -18 1438 No stop 23 03 55 --- 17 29 52 61.8 359.7 0.4 173.2 187 1465 23 00 31 23 04 40 J1639+8631 17 30 37 63.9 358.0 0.9 164.0 27 1465 23 04 40 23 06 05 =1654+866 17 32 03 63.9 358.0 1.0 163.6 85 1476 23 04 41 23 06 05 PSJ1721+8842 17 32 03 61.8 359.7 0.5 172.6 -18 1476 No stop 23 09 30 --- 17 35 28 61.8 359.6 0.5 171.7 187 1502 23 06 06 23 09 30 J1639+8631 17 35 28 63.9 357.9 1.0 162.7 -18 1502 No stop 23 11 00 =1654+866 17 36 58 63.9 357.8 1.1 162.3 72 1513 23 09 31 23 11 00 PSJ1721+8842 17 36 58 61.8 359.6 0.6 171.3 -18 1513 No stop 23 14 25 --- 17 40 24 61.8 359.6 0.6 170.4 187 1540 23 11 01 23 15 10 J1639+8631 17 41 09 63.9 357.7 1.1 161.1 27 1540 23 15 10 23 16 35 =1654+866 17 42 34 63.9 357.6 1.1 160.7 85 1551 23 15 11 23 16 35 PSJ1721+8842 17 42 34 61.8 359.5 0.6 169.9 -18 1551 No stop 23 20 00 --- 17 46 00 61.8 359.5 0.7 169.0 187 1577 23 16 36 23 20 00 J1639+8631 17 46 00 63.8 357.5 1.2 159.7 -18 1577 No stop 23 21 30 =1654+866 17 47 30 63.8 357.5 1.2 159.3 72 1588 23 20 01 23 21 30 PSJ1721+8842 17 47 30 61.8 359.5 0.7 168.6 -18 1588 No stop 23 24 55 --- 17 50 56 61.8 359.4 0.8 167.7 187 1615 23 21 31 23 25 40 J1639+8631 17 51 41 63.8 357.3 1.3 158.2 27 1615 23 25 40 23 27 05 =1654+866 17 53 06 63.8 357.3 1.3 157.8 85 1626 23 25 41 23 27 05 PSJ1721+8842 17 53 06 61.8 359.4 0.8 167.1 -18 1626 No stop 23 30 30 --- 17 56 32 61.8 359.4 0.9 166.2 187 1652 23 27 06 23 30 30 J1639+8631 17 56 32 63.8 357.2 1.4 156.8 -18 1652 No stop 23 32 00 =1654+866 17 58 02 63.8 357.1 1.4 156.4 72 1663 23 30 31 23 32 00 PSJ1721+8842 17 58 02 61.8 359.3 0.9 165.8 -18 1663 No stop 23 35 25 --- 18 01 27 61.8 359.3 1.0 164.9 187 1690 23 32 01 23 36 10 J1639+8631 18 02 12 63.8 357.0 1.5 155.2 27 1690 23 36 10 23 37 35 =1654+866 18 03 38 63.7 357.0 1.5 154.8 85 1701 23 36 11 Schedule for SVETLOE (Code Sv ) Page 8 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 23 37 35 PSJ1721+8842 18 03 38 61.8 359.3 1.0 164.4 -19 1701 No stop 23 41 00 --- 18 07 03 61.8 359.2 1.1 163.5 186 1727 23 37 36 23 41 00 J1639+8631 18 07 03 63.7 356.9 1.6 153.9 -19 1727 No stop 23 42 30 =1654+866 18 08 33 63.7 356.8 1.6 153.5 71 1738 23 41 01 23 42 30 PSJ1721+8842 18 08 33 61.8 359.2 1.1 163.1 -19 1738 No stop 23 45 55 --- 18 11 59 61.8 359.2 1.1 162.2 186 1765 23 42 31 23 46 40 J1639+8631 18 12 44 63.7 356.7 1.7 152.3 26 1765 23 46 40 23 48 05 =1654+866 18 14 09 63.7 356.6 1.7 151.9 85 1776 23 46 41 23 48 05 PSJ1721+8842 18 14 09 61.8 359.2 1.2 161.6 -19 1776 No stop 23 51 30 --- 18 17 35 61.8 359.1 1.2 160.7 186 1802 23 48 06 23 51 30 J1639+8631 18 17 35 63.6 356.5 1.7 151.0 -19 1802 No stop 23 53 00 =1654+866 18 19 05 63.6 356.5 1.8 150.5 71 1813 23 51 31 23 53 00 PSJ1721+8842 18 19 05 61.8 359.1 1.3 160.4 -19 1813 No stop 23 56 25 --- 18 22 31 61.8 359.1 1.3 159.5 186 1840 23 53 01 23 57 10 J1639+8631 18 23 16 63.6 356.4 1.8 149.4 25 1840 23 57 10 23 58 35 =1654+866 18 24 41 63.6 356.3 1.8 149.0 85 1851 23 57 11 --- Start: Fri 28 May 2021 Day 148 -- Stop: Sat 29 May 2021 Day 149 --- 23 58 35 PSJ1721+8842 18 24 41 61.8 359.0 1.4 158.9 -20 1851 No stop 00 02 00 --- 18 28 07 61.8 359.0 1.4 158.0 185 1877 23 58 36 00 02 00 J1639+8631 18 28 07 63.6 356.2 1.9 148.1 -20 1877 No stop 00 03 30 =1654+866 18 29 37 63.6 356.2 1.9 147.6 70 1888 00 02 01 00 03 30 PSJ1721+8842 18 29 37 61.8 359.0 1.4 157.6 -20 1888 No stop 00 06 55 --- 18 33 02 61.7 358.9 1.5 156.7 185 1915 00 03 31 00 07 40 J1639+8631 18 33 48 63.5 356.1 2.0 146.5 25 1915 00 07 40 00 09 05 =1654+866 18 35 13 63.5 356.0 2.0 146.1 85 1926 00 07 41 00 09 05 PSJ1721+8842 18 35 13 61.7 358.9 1.5 156.2 -20 1926 No stop 00 12 30 --- 18 38 38 61.7 358.9 1.6 155.3 185 1952 00 09 06 00 12 30 J1639+8631 18 38 38 63.5 355.9 2.1 145.2 -20 1952 No stop 00 14 00 =1654+866 18 40 09 63.5 355.9 2.1 144.7 70 1963 00 12 31 Schedule for SVETLOE (Code Sv ) Page 9 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 00 14 00 PSJ1721+8842 18 40 09 61.7 358.9 1.6 154.9 -20 1963 No stop 00 17 25 --- 18 43 34 61.7 358.8 1.7 154.0 185 1990 00 14 01 00 18 10 J1639+8631 18 44 19 63.4 355.8 2.2 143.6 24 1990 00 18 10 00 19 35 =1654+866 18 45 45 63.4 355.7 2.2 143.2 85 2001 00 18 11 00 19 35 PSJ1721+8842 18 45 45 61.7 358.8 1.7 153.4 -21 2001 No stop 00 23 00 --- 18 49 10 61.7 358.8 1.8 152.5 184 2027 00 19 36 00 23 00 J1639+8631 18 49 10 63.4 355.6 2.3 142.3 -21 2027 No stop 00 24 30 =1654+866 18 50 40 63.4 355.6 2.3 141.9 69 2038 00 23 01 00 24 30 PSJ1721+8842 18 50 40 61.7 358.7 1.8 152.1 -21 2038 No stop 00 27 55 --- 18 54 06 61.7 358.7 1.8 151.3 184 2065 00 24 31 00 28 40 J1639+8631 18 54 51 63.3 355.5 2.4 140.7 24 2065 00 28 40 00 30 05 =1654+866 18 56 16 63.3 355.4 2.4 140.3 85 2076 00 28 41 00 30 05 PSJ1721+8842 18 56 16 61.7 358.7 1.9 150.7 -21 2076 No stop 00 33 30 --- 18 59 42 61.7 358.7 1.9 149.8 184 2102 00 30 06 00 33 30 J1639+8631 18 59 42 63.3 355.4 2.4 139.4 -21 2102 No stop 00 35 00 =1654+866 19 01 12 63.3 355.3 2.5 139.0 69 2113 00 33 31 00 35 00 PSJ1721+8842 19 01 12 61.7 358.6 2.0 149.4 -21 2113 No stop 00 38 25 --- 19 04 38 61.7 358.6 2.0 148.5 184 2140 00 35 01 00 39 10 J1639+8631 19 05 23 63.2 355.2 2.5 137.8 24 2140 00 39 10 00 40 35 =1654+866 19 06 48 63.2 355.2 2.6 137.5 85 2151 00 39 11 00 40 35 PSJ1721+8842 19 06 48 61.7 358.6 2.1 148.0 -21 2151 No stop 00 44 00 --- 19 10 14 61.6 358.5 2.1 147.1 184 2177 00 40 36 00 44 00 J1639+8631 19 10 14 63.2 355.1 2.6 136.5 -22 2177 No stop 00 45 30 =1654+866 19 11 44 63.2 355.0 2.6 136.1 68 2188 00 44 01 00 45 30 PSJ1721+8842 19 11 44 61.6 358.5 2.1 146.7 -22 2188 No stop 00 48 55 --- 19 15 09 61.6 358.5 2.2 145.8 183 2215 00 45 31 00 49 40 J1639+8631 19 15 55 63.1 354.9 2.7 135.0 23 2215 00 49 40 00 51 05 =1654+866 19 17 20 63.1 354.9 2.7 134.6 85 2226 00 49 41 00 51 05 PSJ1721+8842 19 17 20 61.6 358.5 2.2 145.2 -22 2226 No stop 00 54 30 --- 19 20 45 61.6 358.4 2.3 144.4 183 2252 00 51 06 Schedule for SVETLOE (Code Sv ) Page 10 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 00 54 30 J1639+8631 19 20 45 63.1 354.8 2.8 133.7 -22 2252 No stop 00 56 00 =1654+866 19 22 16 63.0 354.8 2.8 133.3 68 2263 00 54 31 00 56 00 PSJ1721+8842 19 22 16 61.6 358.4 2.3 144.0 -22 2263 No stop 00 59 25 --- 19 25 41 61.6 358.4 2.4 143.1 183 2290 00 56 01 01 00 10 J1639+8631 19 26 26 63.0 354.7 2.9 132.1 23 2290 01 00 10 01 01 35 =1654+866 19 27 51 63.0 354.7 2.9 131.8 85 2301 01 00 11 01 01 35 PSJ1721+8842 19 27 51 61.6 358.4 2.4 142.5 -22 2301 No stop 01 05 00 --- 19 31 17 61.6 358.3 2.5 141.6 183 2327 01 01 36 01 05 00 J1639+8631 19 31 17 62.9 354.6 3.0 130.8 -22 2327 No stop 01 06 30 =1654+866 19 32 47 62.9 354.6 3.0 130.4 68 2338 01 05 01 01 06 30 PSJ1721+8842 19 32 47 61.6 358.3 2.5 141.2 -22 2338 No stop 01 09 55 --- 19 36 13 61.6 358.3 2.5 140.4 183 2365 01 06 31 01 10 40 J1639+8631 19 36 58 62.9 354.5 3.1 129.3 23 2365 01 10 40 01 12 05 =1654+866 19 38 23 62.9 354.4 3.1 128.9 85 2376 01 10 41 01 12 05 PSJ1721+8842 19 38 23 61.6 358.3 2.6 139.8 -22 2376 No stop 01 15 30 --- 19 41 49 61.5 358.2 2.6 138.9 183 2402 01 12 06 01 15 30 J1639+8631 19 41 49 62.8 354.4 3.1 128.0 -23 2402 No stop 01 17 00 =1654+866 19 43 19 62.8 354.3 3.2 127.6 67 2413 01 15 31 01 17 00 PSJ1721+8842 19 43 19 61.5 358.2 2.7 138.5 -23 2413 No stop 01 20 25 --- 19 46 45 61.5 358.2 2.7 137.6 182 2440 01 17 01 01 21 10 J1639+8631 19 47 30 62.7 354.3 3.2 126.5 22 2440 01 21 10 01 22 35 =1654+866 19 48 55 62.7 354.2 3.3 126.1 85 2451 01 21 11 01 22 35 PSJ1721+8842 19 48 55 61.5 358.2 2.8 137.1 -23 2451 No stop 01 26 00 --- 19 52 20 61.5 358.1 2.8 136.2 182 2477 01 22 36 01 26 00 J1639+8631 19 52 20 62.7 354.2 3.3 125.2 -23 2477 No stop 01 27 30 =1654+866 19 53 51 62.7 354.1 3.3 124.8 67 2488 01 26 01 01 32 30 3C454.3 19 58 52 35.7 484.8 -2.9 -24.9 145 2488 01 32 30 01 37 30 --- 20 03 52 36.2 486.1 -2.9 -24.5 300 2527 01 32 31 01 42 30 J1639+8631 20 08 53 62.5 353.9 3.6 120.8 143 2527 01 42 30 01 47 30 =1654+866 20 13 54 62.4 353.8 3.7 119.5 300 2565 01 42 31 Schedule for SVETLOE (Code Sv ) Page 11 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 01 47 30 PSJ1721+8842 20 13 54 61.4 358.0 3.2 130.7 -23 2565 No stop 01 50 55 --- 20 17 20 61.4 357.9 3.2 129.8 182 2592 01 47 31 01 51 40 J1639+8631 20 18 05 62.4 353.7 3.7 118.4 22 2592 01 51 40 01 53 05 =1654+866 20 19 30 62.3 353.7 3.8 118.0 85 2603 01 51 41 01 53 05 PSJ1721+8842 20 19 30 61.4 357.9 3.3 129.2 -23 2603 No stop 01 56 30 --- 20 22 56 61.4 357.9 3.3 128.3 182 2629 01 53 06 01 56 30 J1639+8631 20 22 56 62.3 353.6 3.8 117.1 -23 2629 No stop 01 58 00 =1654+866 20 24 26 62.3 353.6 3.8 116.7 67 2640 01 56 31 01 58 00 PSJ1721+8842 20 24 26 61.4 357.9 3.3 128.0 -23 2640 No stop 02 01 25 --- 20 27 51 61.3 357.9 3.4 127.1 182 2667 01 58 01 02 02 10 J1639+8631 20 28 36 62.2 353.6 3.9 115.6 21 2667 02 02 10 02 03 35 =1654+866 20 30 02 62.2 353.5 3.9 115.2 85 2678 02 02 11 02 03 35 PSJ1721+8842 20 30 02 61.3 357.8 3.4 126.5 -24 2678 No stop 02 07 00 --- 20 33 27 61.3 357.8 3.5 125.6 181 2704 02 03 36 02 07 00 J1639+8631 20 33 27 62.1 353.5 4.0 114.3 -24 2704 No stop 02 08 30 =1654+866 20 34 57 62.1 353.5 4.0 113.9 66 2715 02 07 01 02 08 30 PSJ1721+8842 20 34 57 61.3 357.8 3.5 125.3 -24 2715 No stop 02 11 55 --- 20 38 23 61.3 357.8 3.6 124.4 181 2742 02 08 31 02 12 40 J1639+8631 20 39 08 62.1 353.4 4.1 112.9 21 2742 02 12 40 02 14 05 =1654+866 20 40 33 62.0 353.4 4.1 112.5 85 2753 02 12 41 02 14 05 PSJ1721+8842 20 40 33 61.3 357.8 3.6 123.8 -24 2753 No stop 02 17 30 --- 20 43 59 61.3 357.7 3.7 123.0 181 2779 02 14 06 02 17 30 J1639+8631 20 43 59 62.0 353.4 4.2 111.6 -24 2779 No stop 02 19 00 =1654+866 20 45 29 62.0 353.3 4.2 111.2 66 2790 02 17 31 02 19 00 PSJ1721+8842 20 45 29 61.3 357.7 3.7 122.6 -24 2790 No stop 02 22 25 --- 20 48 55 61.2 357.7 3.8 121.7 181 2817 02 19 01 02 23 10 J1639+8631 20 49 40 61.9 353.3 4.3 110.1 21 2817 02 23 10 02 24 35 =1654+866 20 51 05 61.9 353.3 4.3 109.8 85 2828 02 23 11 02 24 35 PSJ1721+8842 20 51 05 61.2 357.7 3.8 121.1 -24 2828 No stop 02 28 00 --- 20 54 31 61.2 357.7 3.8 120.3 181 2854 02 24 36 Schedule for SVETLOE (Code Sv ) Page 12 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 02 28 00 J1639+8631 20 54 31 61.8 353.2 4.3 108.9 -24 2854 No stop 02 29 30 =1654+866 20 56 01 61.8 353.2 4.4 108.5 66 2865 02 28 01 02 29 30 PSJ1721+8842 20 56 01 61.2 357.7 3.9 119.9 -24 2865 No stop 02 32 55 --- 20 59 26 61.2 357.7 3.9 119.0 181 2892 02 29 31 02 33 40 J1639+8631 21 00 12 61.8 353.2 4.4 107.4 21 2892 02 33 40 02 35 05 =1654+866 21 01 37 61.7 353.2 4.5 107.0 85 2903 02 33 41 02 35 05 PSJ1721+8842 21 01 37 61.2 357.6 4.0 118.5 -24 2903 No stop 02 38 30 --- 21 05 02 61.2 357.6 4.0 117.6 181 2929 02 35 06 02 38 30 J1639+8631 21 05 02 61.7 353.1 4.5 106.1 -24 2929 No stop 02 40 00 =1654+866 21 06 33 61.7 353.1 4.5 105.8 66 2940 02 38 31 02 40 00 PSJ1721+8842 21 06 33 61.2 357.6 4.0 117.2 -24 2940 No stop 02 43 25 --- 21 09 58 61.1 357.6 4.1 116.3 181 2967 02 40 01 02 44 10 J1639+8631 21 10 43 61.6 353.1 4.6 104.7 21 2967 02 44 10 02 45 35 =1654+866 21 12 09 61.6 353.1 4.6 104.3 85 2978 02 44 11 02 45 35 PSJ1721+8842 21 12 09 61.1 357.6 4.1 115.8 -24 2978 No stop 02 49 00 --- 21 15 34 61.1 357.6 4.2 114.9 181 3004 02 45 36 02 49 00 J1639+8631 21 15 34 61.5 353.0 4.7 103.4 -24 3004 No stop 02 50 30 =1654+866 21 17 04 61.5 353.0 4.7 103.1 66 3015 02 49 01 02 50 30 PSJ1721+8842 21 17 04 61.1 357.6 4.2 114.5 -24 3015 No stop 02 53 55 --- 21 20 30 61.1 357.5 4.3 113.6 181 3042 02 50 31 02 54 40 J1639+8631 21 21 15 61.4 353.0 4.8 102.0 21 3042 02 54 40 02 56 05 =1654+866 21 22 40 61.4 353.0 4.8 101.6 85 3053 02 54 41 02 56 05 PSJ1721+8842 21 22 40 61.1 357.5 4.3 113.1 -24 3053 No stop 02 59 30 --- 21 26 06 61.1 357.5 4.4 112.2 181 3079 02 56 06 02 59 30 J1639+8631 21 26 06 61.4 353.0 4.9 100.8 -24 3079 No stop 03 01 00 =1654+866 21 27 36 61.4 353.0 4.9 100.4 66 3090 02 59 31 03 01 00 PSJ1721+8842 21 27 36 61.0 357.5 4.4 111.8 -24 3090 No stop 03 04 25 --- 21 31 02 61.0 357.5 4.5 111.0 181 3117 03 01 01 03 05 10 J1639+8631 21 31 47 61.3 352.9 5.0 99.3 21 3117 03 05 10 03 06 35 =1654+866 21 33 12 61.3 352.9 5.0 98.9 85 3128 03 05 11 Schedule for SVETLOE (Code Sv ) Page 13 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 03 06 35 PSJ1721+8842 21 33 12 61.0 357.5 4.5 110.4 -24 3128 No stop 03 10 00 --- 21 36 38 61.0 357.5 4.5 109.6 181 3154 03 06 36 03 10 00 J1639+8631 21 36 38 61.2 352.9 5.0 98.1 -24 3154 No stop 03 11 30 =1654+866 21 38 08 61.2 352.9 5.1 97.7 66 3165 03 10 01 03 11 30 PSJ1721+8842 21 38 08 61.0 357.5 4.6 109.2 -24 3165 No stop 03 14 55 --- 21 41 33 61.0 357.5 4.6 108.3 181 3192 03 11 31 03 15 40 J1639+8631 21 42 19 61.1 352.9 5.1 96.6 21 3192 03 15 40 03 17 05 =1654+866 21 43 44 61.1 352.9 5.2 96.3 85 3203 03 15 41 03 17 05 PSJ1721+8842 21 43 44 61.0 357.4 4.7 107.8 -24 3203 No stop 03 20 30 --- 21 47 09 60.9 357.4 4.7 106.9 181 3229 03 17 06 03 20 30 J1639+8631 21 47 09 61.1 352.9 5.2 95.4 -24 3229 No stop 03 22 00 =1654+866 21 48 40 61.0 352.9 5.2 95.0 66 3240 03 20 31 03 22 00 PSJ1721+8842 21 48 40 60.9 357.4 4.7 106.5 -24 3240 No stop 03 25 25 --- 21 52 05 60.9 357.4 4.8 105.6 181 3267 03 22 01 03 26 10 J1639+8631 21 52 50 61.0 352.9 5.3 94.0 21 3267 03 26 10 03 27 35 =1654+866 21 54 15 60.9 352.9 5.3 93.6 85 3278 03 26 11 03 27 35 PSJ1721+8842 21 54 15 60.9 357.4 4.8 105.1 -24 3278 No stop 03 31 00 --- 21 57 41 60.9 357.4 4.9 104.2 181 3304 03 27 36 03 31 00 J1639+8631 21 57 41 60.9 352.9 5.4 92.8 -24 3304 No stop 03 32 30 =1654+866 21 59 11 60.9 352.9 5.4 92.4 66 3315 03 31 01 03 32 30 PSJ1721+8842 21 59 11 60.9 357.4 4.9 103.8 -24 3315 No stop 03 35 55 --- 22 02 37 60.9 357.4 5.0 103.0 181 3342 03 32 31 03 36 40 J1639+8631 22 03 22 60.8 352.9 5.5 91.3 21 3342 03 36 40 03 38 05 =1654+866 22 04 47 60.8 352.8 5.5 91.0 85 3353 03 36 41 03 38 05 PSJ1721+8842 22 04 47 60.8 357.4 5.0 102.4 -24 3353 No stop 03 41 30 --- 22 08 13 60.8 357.4 5.1 101.6 181 3379 03 38 06 03 41 30 J1639+8631 22 08 13 60.7 352.8 5.6 90.1 -24 3379 No stop 03 43 00 =1654+866 22 09 43 60.7 352.8 5.6 89.8 66 3390 03 41 31 03 43 00 PSJ1721+8842 22 09 43 60.8 357.4 5.1 101.2 -24 3390 No stop 03 46 25 --- 22 13 09 60.8 357.4 5.2 100.3 181 3417 03 43 01 Schedule for SVETLOE (Code Sv ) Page 14 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 03 47 10 J1639+8631 22 13 54 60.6 352.9 5.7 88.7 21 3417 03 47 10 03 48 35 =1654+866 22 15 19 60.6 352.9 5.7 88.4 85 3428 03 47 11 03 48 35 PSJ1721+8842 22 15 19 60.8 357.4 5.2 99.8 -24 3428 No stop 03 52 00 --- 22 18 44 60.8 357.3 5.3 98.9 181 3454 03 48 36 03 52 00 J1639+8631 22 18 44 60.6 352.9 5.8 87.5 -24 3454 No stop 03 53 30 =1654+866 22 20 15 60.5 352.9 5.8 87.1 66 3465 03 52 01 03 53 30 PSJ1721+8842 22 20 15 60.8 357.3 5.3 98.5 -24 3465 No stop 03 56 55 --- 22 23 40 60.7 357.3 5.3 97.7 181 3492 03 53 31 03 57 40 J1639+8631 22 24 25 60.5 352.9 5.8 86.1 21 3492 03 57 40 03 59 05 =1654+866 22 25 51 60.5 352.9 5.9 85.8 85 3503 03 57 41 03 59 05 PSJ1721+8842 22 25 51 60.7 357.3 5.4 97.1 -24 3503 No stop 04 02 30 --- 22 29 16 60.7 357.3 5.4 96.3 181 3529 03 59 06 04 02 30 J1639+8631 22 29 16 60.4 352.9 5.9 84.9 -24 3529 No stop 04 04 00 =1654+866 22 30 46 60.4 352.9 6.0 84.5 66 3540 04 02 31 04 04 00 PSJ1721+8842 22 30 46 60.7 357.3 5.5 95.9 -24 3540 No stop 04 07 25 --- 22 34 12 60.7 357.3 5.5 95.0 181 3567 04 04 01 04 08 10 J1639+8631 22 34 57 60.3 352.9 6.0 83.5 21 3567 04 08 10 04 09 35 =1654+866 22 36 22 60.3 352.9 6.0 83.2 85 3578 04 08 11 04 09 35 PSJ1721+8842 22 36 22 60.7 357.3 5.5 94.5 -24 3578 No stop 04 13 00 --- 22 39 48 60.6 357.3 5.6 93.6 181 3604 04 09 36 04 13 00 J1639+8631 22 39 48 60.2 352.9 6.1 82.3 -24 3604 No stop 04 14 30 =1654+866 22 41 18 60.2 352.9 6.1 81.9 66 3615 04 13 01 04 14 30 PSJ1721+8842 22 41 18 60.6 357.3 5.6 93.3 -24 3615 No stop 04 17 55 --- 22 44 44 60.6 357.3 5.7 92.4 181 3642 04 14 31 04 18 40 J1639+8631 22 45 29 60.2 352.9 6.2 80.9 21 3642 04 18 40 04 20 05 =1654+866 22 46 54 60.1 352.9 6.2 80.6 85 3653 04 18 41 04 20 05 PSJ1721+8842 22 46 54 60.6 357.3 5.7 91.9 -24 3653 No stop 04 23 30 --- 22 50 20 60.6 357.3 5.8 91.0 181 3679 04 20 06 04 23 30 J1639+8631 22 50 20 60.1 353.0 6.3 79.7 -24 3679 No stop 04 25 00 =1654+866 22 51 50 60.1 353.0 6.3 79.4 66 3690 04 23 31 Schedule for SVETLOE (Code Sv ) Page 15 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 04 25 00 PSJ1721+8842 22 51 50 60.6 357.3 5.8 90.6 -24 3690 No stop 04 28 25 --- 22 55 15 60.6 357.3 5.9 89.8 181 3717 04 25 01 04 29 10 J1639+8631 22 56 01 60.0 353.0 6.4 78.3 21 3717 04 29 10 04 30 35 =1654+866 22 57 26 60.0 353.0 6.4 78.0 85 3728 04 29 11 04 30 35 PSJ1721+8842 22 57 26 60.5 357.3 5.9 89.2 -24 3728 No stop 04 34 00 --- 23 00 51 60.5 357.3 6.0 88.4 181 3754 04 30 36 04 34 00 J1639+8631 23 00 51 59.9 353.0 6.5 77.2 -24 3754 No stop 04 35 30 =1654+866 23 02 22 59.9 353.0 6.5 76.8 66 3765 04 34 01 04 35 30 PSJ1721+8842 23 02 22 60.5 357.3 6.0 88.0 -24 3765 No stop 04 38 55 --- 23 05 47 60.5 357.3 6.0 87.1 181 3792 04 35 31 04 39 40 J1639+8631 23 06 32 59.8 353.1 6.5 75.8 22 3792 04 39 40 04 41 05 =1654+866 23 07 58 59.8 353.1 6.6 75.4 85 3803 04 39 41 04 41 05 PSJ1721+8842 23 07 58 60.5 357.3 6.1 86.6 -23 3803 No stop 04 44 30 --- 23 11 23 60.5 357.3 6.1 85.7 182 3829 04 41 06 04 44 30 J1639+8631 23 11 23 59.8 353.1 6.6 74.6 -23 3829 No stop 04 46 00 =1654+866 23 12 53 59.8 353.1 6.7 74.2 67 3840 04 44 31 04 46 00 PSJ1721+8842 23 12 53 60.5 357.3 6.2 85.4 -23 3840 No stop 04 49 25 --- 23 16 19 60.4 357.3 6.2 84.5 182 3867 04 46 01 04 50 10 J1639+8631 23 17 04 59.7 353.2 6.7 73.2 22 3867 04 50 10 04 51 35 =1654+866 23 18 29 59.7 353.2 6.7 72.9 85 3878 04 50 11 04 51 35 PSJ1721+8842 23 18 29 60.4 357.3 6.2 84.0 -23 3878 No stop 04 55 00 --- 23 21 55 60.4 357.3 6.3 83.1 182 3904 04 51 36 04 55 00 J1639+8631 23 21 55 59.6 353.2 6.8 72.0 -23 3904 No stop 04 56 30 =1654+866 23 23 25 59.6 353.2 6.8 71.7 67 3915 04 55 01 04 56 30 PSJ1721+8842 23 23 25 60.4 357.3 6.3 82.7 -23 3915 No stop 04 59 55 --- 23 26 51 60.4 357.3 6.4 81.9 182 3942 04 56 31 05 00 40 J1639+8631 23 27 36 59.5 353.3 6.9 70.7 22 3942 05 00 40 05 02 05 =1654+866 23 29 01 59.5 353.3 6.9 70.3 85 3953 05 00 41 05 02 05 PSJ1721+8842 23 29 01 60.4 357.3 6.4 81.4 -23 3953 No stop 05 05 30 --- 23 32 27 60.3 357.4 6.5 80.5 182 3979 05 02 06 Schedule for SVETLOE (Code Sv ) Page 16 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 05 05 30 J1639+8631 23 32 27 59.5 353.3 7.0 69.5 -23 3979 No stop 05 07 00 =1654+866 23 33 57 59.4 353.3 7.0 69.1 67 3990 05 05 31 05 07 00 PSJ1721+8842 23 33 57 60.3 357.4 6.5 80.1 -23 3990 No stop 05 10 25 --- 23 37 22 60.3 357.4 6.6 79.3 182 4017 05 07 01 05 11 10 J1639+8631 23 38 07 59.4 353.4 7.1 68.1 22 4017 05 11 10 05 12 35 =1654+866 23 39 33 59.4 353.4 7.1 67.8 85 4028 05 11 11 05 12 35 PSJ1721+8842 23 39 33 60.3 357.4 6.6 78.7 -23 4028 No stop 05 16 00 --- 23 42 58 60.3 357.4 6.7 77.9 182 4054 05 12 36 05 16 00 J1639+8631 23 42 58 59.3 353.4 7.2 67.0 -23 4054 No stop 05 17 30 =1654+866 23 44 29 59.3 353.4 7.2 66.6 67 4065 05 16 01 05 17 30 PSJ1721+8842 23 44 29 60.3 357.4 6.7 77.5 -23 4065 No stop 05 20 55 --- 23 47 54 60.3 357.4 6.7 76.7 182 4092 05 17 31 05 21 40 J1639+8631 23 48 39 59.2 353.5 7.2 65.6 22 4092 05 21 40 05 23 05 =1654+866 23 50 04 59.2 353.5 7.3 65.3 85 4103 05 21 41 05 23 05 PSJ1721+8842 23 50 04 60.2 357.4 6.8 76.1 -23 4103 No stop 05 26 30 --- 23 53 30 60.2 357.4 6.8 75.3 182 4129 05 23 06 05 26 30 J1639+8631 23 53 30 59.2 353.6 7.3 64.5 -23 4129 No stop 05 28 00 =1654+866 23 55 00 59.2 353.6 7.4 64.1 67 4140 05 26 31 05 28 00 PSJ1721+8842 23 55 00 60.2 357.4 6.9 74.9 -23 4140 No stop 05 31 25 --- 23 58 26 60.2 357.4 6.9 74.1 182 4167 05 28 01 05 32 10 J1639+8631 23 59 11 59.1 353.6 7.4 63.1 23 4167 05 32 10 05 33 35 =1654+866 00 00 36 59.1 353.6 7.4 62.8 85 4178 05 32 11 05 33 35 PSJ1721+8842 00 00 36 60.2 357.4 6.9 73.5 -22 4178 No stop 05 37 00 --- 00 04 02 60.2 357.4 7.0 72.7 183 4204 05 33 36 05 37 00 J1639+8631 00 04 02 59.0 353.7 7.5 62.0 -22 4204 No stop 05 38 30 =1654+866 00 05 32 59.0 353.7 7.5 61.6 68 4215 05 37 01 05 43 30 3C84 00 10 33 55.7 461.5 -3.2 -40.1 168 4215 05 43 30 05 48 30 --- 00 15 34 56.3 462.7 -3.1 -39.9 300 4254 05 43 31 05 53 30 J1639+8631 00 20 34 58.8 353.9 7.8 58.0 166 4254 05 53 30 05 58 30 =1654+866 00 25 35 58.7 354.0 7.9 56.9 300 4292 05 53 31 Schedule for SVETLOE (Code Sv ) Page 17 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 05 58 30 PSJ1721+8842 00 25 35 60.0 357.5 7.4 67.4 -22 4292 No stop 06 01 55 --- 00 29 01 60.0 357.5 7.4 66.5 183 4319 05 58 31 06 02 40 J1639+8631 00 29 46 58.7 354.1 7.9 55.9 23 4319 06 02 40 06 04 05 =1654+866 00 31 11 58.7 354.1 8.0 55.5 85 4329 06 02 41 06 04 05 PSJ1721+8842 00 31 11 60.0 357.5 7.5 66.0 -22 4329 No stop 06 07 30 --- 00 34 37 60.0 357.6 7.5 65.1 183 4356 06 04 06 06 07 30 J1639+8631 00 34 37 58.6 354.2 8.0 54.7 -21 4356 No stop 06 09 00 =1654+866 00 36 07 58.6 354.2 8.0 54.4 69 4367 06 07 31 06 09 00 PSJ1721+8842 00 36 07 60.0 357.6 7.5 64.8 -21 4367 No stop 06 12 25 --- 00 39 33 60.0 357.6 7.6 63.9 184 4394 06 09 01 06 13 10 J1639+8631 00 40 18 58.6 354.3 8.1 53.4 24 4394 06 13 10 06 14 35 =1654+866 00 41 43 58.5 354.3 8.1 53.1 85 4404 06 13 11 06 14 35 PSJ1721+8842 00 41 43 60.0 357.6 7.6 63.4 -21 4404 No stop 06 18 00 --- 00 45 08 59.9 357.6 7.7 62.6 184 4431 06 14 36 06 18 00 J1639+8631 00 45 08 58.5 354.3 8.2 52.3 -21 4431 No stop 06 19 30 =1654+866 00 46 39 58.5 354.4 8.2 51.9 69 4442 06 18 01 06 19 30 PSJ1721+8842 00 46 39 59.9 357.6 7.7 62.2 -21 4442 No stop 06 22 55 --- 00 50 04 59.9 357.6 7.8 61.4 184 4469 06 19 31 06 23 40 J1639+8631 00 50 49 58.4 354.5 8.3 50.9 24 4469 06 23 40 06 25 05 =1654+866 00 52 15 58.4 354.5 8.3 50.6 85 4479 06 23 41 06 25 05 PSJ1721+8842 00 52 15 59.9 357.7 7.8 60.8 -21 4479 No stop 06 28 30 --- 00 55 40 59.9 357.7 7.9 60.0 184 4506 06 25 06 06 28 30 J1639+8631 00 55 40 58.4 354.5 8.4 49.8 -21 4506 No stop 06 30 00 =1654+866 00 57 10 58.4 354.6 8.4 49.5 69 4517 06 28 31 06 30 00 PSJ1721+8842 00 57 10 59.9 357.7 7.9 59.6 -21 4517 No stop 06 33 25 --- 01 00 36 59.9 357.7 7.9 58.8 184 4544 06 30 01 06 34 10 J1639+8631 01 01 21 58.3 354.7 8.5 48.5 24 4544 06 34 10 06 35 35 =1654+866 01 02 46 58.3 354.7 8.5 48.1 85 4554 06 34 11 06 35 35 PSJ1721+8842 01 02 46 59.9 357.7 8.0 58.2 -21 4554 No stop 06 39 00 --- 01 06 12 59.8 357.7 8.0 57.4 184 4581 06 35 36 Schedule for SVETLOE (Code Sv ) Page 18 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 06 39 00 J1639+8631 01 06 12 58.3 354.7 8.5 47.3 -20 4581 No stop 06 40 30 =1654+866 01 07 42 58.2 354.8 8.6 47.0 70 4592 06 39 01 06 40 30 PSJ1721+8842 01 07 42 59.8 357.7 8.1 57.0 -20 4592 No stop 06 43 55 --- 01 11 08 59.8 357.8 8.1 56.2 185 4619 06 40 31 06 44 40 J1639+8631 01 11 53 58.2 354.9 8.6 46.0 25 4619 06 44 40 06 46 05 =1654+866 01 13 18 58.2 354.9 8.7 45.7 85 4629 06 44 41 06 46 05 PSJ1721+8842 01 13 18 59.8 357.8 8.2 55.7 -20 4629 No stop 06 49 30 --- 01 16 44 59.8 357.8 8.2 54.8 185 4656 06 46 06 06 49 30 J1639+8631 01 16 44 58.1 355.0 8.7 44.9 -20 4656 No stop 06 51 00 =1654+866 01 18 14 58.1 355.0 8.7 44.6 70 4667 06 49 31 06 51 00 PSJ1721+8842 01 18 14 59.8 357.8 8.2 54.5 -20 4667 No stop 06 54 25 --- 01 21 39 59.8 357.8 8.3 53.6 185 4694 06 51 01 06 55 10 J1639+8631 01 22 25 58.1 355.1 8.8 43.6 25 4694 06 55 10 06 56 35 =1654+866 01 23 50 58.1 355.1 8.8 43.3 85 4704 06 55 11 06 56 35 PSJ1721+8842 01 23 50 59.8 357.9 8.3 53.1 -20 4704 No stop 07 00 00 --- 01 27 15 59.7 357.9 8.4 52.3 185 4731 06 56 36 07 00 00 J1639+8631 01 27 15 58.0 355.2 8.9 42.5 -20 4731 No stop 07 01 30 =1654+866 01 28 46 58.0 355.2 8.9 42.1 70 4742 07 00 01 07 01 30 PSJ1721+8842 01 28 46 59.7 357.9 8.4 51.9 -20 4742 No stop 07 04 55 --- 01 32 11 59.7 357.9 8.5 51.1 185 4769 07 01 31 07 05 40 J1639+8631 01 32 56 58.0 355.3 9.0 41.1 26 4769 07 05 40 07 07 05 =1654+866 01 34 22 58.0 355.3 9.0 40.8 85 4779 07 05 41 07 07 05 PSJ1721+8842 01 34 22 59.7 357.9 8.5 50.5 -19 4779 No stop 07 10 30 --- 01 37 47 59.7 358.0 8.6 49.7 186 4806 07 07 06 07 10 30 J1639+8631 01 37 47 57.9 355.4 9.1 40.0 -19 4806 No stop 07 12 00 =1654+866 01 39 17 57.9 355.4 9.1 39.7 71 4817 07 10 31 07 12 00 PSJ1721+8842 01 39 17 59.7 358.0 8.6 49.3 -19 4817 No stop 07 15 25 --- 01 42 43 59.7 358.0 8.7 48.5 186 4844 07 12 01 07 16 10 J1639+8631 01 43 28 57.9 355.5 9.2 38.7 26 4844 07 16 10 07 17 35 =1654+866 01 44 53 57.9 355.6 9.2 38.4 85 4854 07 16 11 Schedule for SVETLOE (Code Sv ) Page 19 Resolving a gravitationally lensed dual back-hole system at z = 2.37 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 ---------------------------------------------------------------------------------------- --- Sat 29 May 2021 Day 149 --- 07 17 35 PSJ1721+8842 01 44 53 59.7 358.0 8.7 48.0 -19 4854 No stop 07 21 00 --- 01 48 19 59.6 358.0 8.7 47.1 186 4881 07 17 36 07 21 00 J1639+8631 01 48 19 57.8 355.6 9.2 37.6 -19 4881 No stop 07 22 30 =1654+866 01 49 49 57.8 355.7 9.3 37.3 71 4892 07 21 01 07 22 30 PSJ1721+8842 01 49 49 59.6 358.0 8.8 46.8 -19 4892 No stop 07 25 55 --- 01 53 15 59.6 358.1 8.8 45.9 186 4919 07 22 31 07 26 40 J1639+8631 01 54 00 57.8 355.8 9.3 36.3 26 4919 07 26 40 07 28 05 =1654+866 01 55 25 57.8 355.8 9.4 36.0 85 4929 07 26 41 07 28 05 PSJ1721+8842 01 55 25 59.6 358.1 8.9 45.4 -19 4929 No stop 07 30 30 --- 01 57 50 59.6 358.1 8.9 44.8 126 4948 07 28 06 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess221.L1024 Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: kvzr_l passed by Alexey Melnikov, Mar2014 ****** Only 251.02 of 256.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 1 Station: SVETLOE Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 BBC SB= L L U U L L U U IF = A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 9 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= 366.49 366.49 366.49 366.49 430.49 430.49 430.49 430.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 9 10 11 Track assignments are: track1= 10, 14, 2, 6, 12, 16, 4, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * PSJ1721+8842 18 08 47.084813 * 17 21 43.936000 17 03 39.644560 0.00 88 43 26.13207 * 88 42 21.42800 88 40 48.95086 0.00 From catalog imbedded in main SCHED input file. * 3C84 03 16 29.567265 * 03 19 48.160096 03 21 10.311462 1.50 J0319+4130 41 19 51.91692 * 41 30 42.10404 41 35 08.24304 2.86 0316+413 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0319+41 GSFC 2016a X/S astro solution, 10291 observations. 1654+866 16 54 31.289232 * 16 39 25.014806 16 33 41.277383 10.77 * J1639+8631 86 37 07.15444 * 86 31 53.13177 86 29 20.00418 0.62 J1639+86 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 43 observations. * 3C345 16 41 17.606229 * 16 42 58.809967 16 43 43.226759 0.79 J1642+3948 39 54 10.81492 * 39 48 36.99399 39 46 13.08296 0.59 1641+399 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J1642+39 GSFC 2016a X/S astro solution, 53724 observations. * 3C454.3 22 51 29.519739 * 22 53 57.747939 22 55 00.061697 0.65 J2253+1608 15 52 54.34808 * 16 08 53.56091 16 15 29.40943 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 PSJ1721+884sess221.L1024 1 2 3 4 5 6 7 8 9 12 13 14 7.158 942.437 3C84 sess221.L1024 1 2 3 4 5 6 7 8 9 12 13 14 0.083 11.593 J1639+8631 sess221.L1024 1 2 3 4 5 6 7 8 9 12 13 14 3.313 410.527 3C345 sess221.L1024 1 2 3 4 5 6 7 8 9 12 13 14 0.083 11.321 3C454.3 sess221.L1024 1 2 3 4 5 6 7 8 9 12 13 14 0.083 11.521 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) PSJ1721+8842 69.7 3C84 24.0 J1639+8631 71.9 3C345 118.4 3C454.3 77.2 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