COVER INFORMATION Station: BADARY (Code Bd ) Experiment: The parsec-scale view of the most distant blazar at z = 6.1 Exp. Code: es093a Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Cristiana Spingola Address: INAF- Institute for radioastronomy via Gobetti 101, 40129 Bologna Italy Phone: +39 3938231373 EMAIL: spingola@ira.inaf.it Fax: Phone during observation: Observing mode: Notes: Schedule for BADARY (Code Bd ) Page 2 The parsec-scale view of the most distant blazar at z = 6.1 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 ---------------------------------------------------------------------------------------- --- Wed 28 Oct 2020 Day 302 --- Next scan frequencies: 22139.49 22139.49 22139.49 22139.49 22203.49 22203.49 22203.49 22203.49 22267.49 22267.49 22267.49 22267.49 22331.49 22331.49 22331.49 22331.49 Next BBC frequencies: 219.49 219.49 219.49 219.49 283.49 283.49 283.49 283.49 347.49 347.49 347.49 347.49 411.49 411.49 411.49 411.49 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 20 30 00 J0316+2733 05 49 31 52.8 604.3 2.5 39.0 0 0 20 30 00 20 31 00 --- 05 50 31 52.7 604.6 2.5 39.1 60 15 20 30 01 20 31 00 PSOJ0309 05 50 31 51.5 606.2 2.7 39.6 -17 15 No stop 20 32 45 --- 05 52 16 51.3 606.7 2.7 39.8 88 42 20 31 01 20 32 45 J0316+2733 05 52 16 52.4 605.1 2.6 39.3 -16 42 No stop 20 33 45 --- 05 53 16 52.3 605.4 2.6 39.4 44 58 20 32 46 20 33 45 PSOJ0309 05 53 16 51.1 607.0 2.7 39.9 -16 58 No stop 20 35 30 --- 05 55 02 50.9 607.4 2.7 40.1 89 85 20 33 46 20 36 10 J0316+2733 05 55 42 51.9 606.1 2.6 39.7 24 85 20 36 10 20 37 10 --- 05 56 42 51.8 606.3 2.6 39.8 60 100 20 36 11 20 37 10 PSOJ0309 05 56 42 50.7 607.9 2.8 40.2 -16 100 No stop 20 38 55 --- 05 58 27 50.4 608.4 2.8 40.4 89 127 20 37 11 20 38 55 J0316+2733 05 58 27 51.6 606.8 2.7 39.9 -16 127 No stop 20 39 55 --- 05 59 27 51.4 607.1 2.7 40.0 44 142 20 38 56 20 39 55 PSOJ0309 05 59 27 50.3 608.6 2.8 40.5 -16 142 No stop 20 41 40 --- 06 01 13 50.0 609.1 2.8 40.6 89 169 20 39 56 20 42 20 J0316+2733 06 01 53 51.1 607.7 2.7 40.3 24 169 20 42 20 20 43 20 --- 06 02 53 50.9 608.0 2.8 40.4 60 185 20 42 21 20 43 20 PSOJ0309 06 02 53 49.8 609.5 2.9 40.8 -16 185 No stop 20 45 05 --- 06 04 38 49.5 610.0 2.9 40.9 89 212 20 43 21 20 45 05 J0316+2733 06 04 38 50.7 608.5 2.8 40.5 -16 212 No stop 20 46 05 --- 06 05 38 50.5 608.7 2.8 40.6 44 227 20 45 06 20 46 05 PSOJ0309 06 05 38 49.4 610.2 2.9 41.0 -16 227 No stop 20 47 50 --- 06 07 24 49.1 610.7 2.9 41.1 89 254 20 46 06 20 48 30 J0316+2733 06 08 04 50.2 609.4 2.8 40.8 24 254 20 48 30 20 49 30 --- 06 09 04 50.0 609.6 2.9 40.9 60 269 20 48 31 Schedule for BADARY (Code Bd ) Page 3 The parsec-scale view of the most distant blazar at z = 6.1 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 ---------------------------------------------------------------------------------------- --- Wed 28 Oct 2020 Day 302 --- 20 49 30 PSOJ0309 06 09 04 48.9 611.1 3.0 41.3 -16 269 No stop 20 51 15 --- 06 10 49 48.6 611.6 3.0 41.4 89 296 20 49 31 20 51 15 J0316+2733 06 10 49 49.8 610.1 2.9 41.1 -16 296 No stop 20 52 15 --- 06 11 49 49.6 610.4 2.9 41.1 44 312 20 51 16 20 52 15 PSOJ0309 06 11 49 48.5 611.8 3.0 41.5 -16 312 No stop 20 54 00 --- 06 13 35 48.2 612.3 3.0 41.6 89 338 20 52 16 20 54 40 J0316+2733 06 14 15 49.3 611.0 2.9 41.3 24 338 20 54 40 20 55 40 --- 06 15 15 49.1 611.2 3.0 41.4 60 354 20 54 41 20 55 40 PSOJ0309 06 15 15 48.0 612.7 3.1 41.7 -16 354 No stop 20 57 25 --- 06 17 00 47.7 613.1 3.1 41.8 89 381 20 55 41 20 57 25 J0316+2733 06 17 00 48.9 611.7 3.0 41.5 -15 381 No stop 20 58 25 --- 06 18 00 48.7 611.9 3.0 41.6 45 396 20 57 26 20 58 25 PSOJ0309 06 18 00 47.5 613.3 3.1 41.9 -16 396 No stop 21 00 10 --- 06 19 46 47.3 613.8 3.1 42.0 89 423 20 58 26 21 00 50 J0316+2733 06 20 26 48.4 612.5 3.0 41.8 25 423 21 00 50 21 01 50 --- 06 21 26 48.2 612.8 3.1 41.8 60 438 21 00 51 21 01 50 PSOJ0309 06 21 26 47.0 614.2 3.2 42.1 -16 438 No stop 21 03 35 --- 06 23 11 46.8 614.6 3.2 42.2 89 465 21 01 51 21 03 35 J0316+2733 06 23 11 48.0 613.2 3.1 42.0 -15 465 No stop 21 04 35 --- 06 24 11 47.8 613.5 3.1 42.0 45 481 21 03 36 21 04 35 PSOJ0309 06 24 11 46.6 614.8 3.2 42.3 -16 481 No stop 21 06 20 --- 06 25 57 46.4 615.3 3.2 42.4 89 508 21 04 36 21 07 00 J0316+2733 06 26 37 47.4 614.1 3.1 42.2 25 508 21 07 00 21 08 00 --- 06 27 37 47.3 614.3 3.2 42.3 60 523 21 07 01 21 08 00 PSOJ0309 06 27 37 46.1 615.7 3.3 42.5 -16 523 No stop 21 09 45 --- 06 29 22 45.8 616.1 3.3 42.6 89 550 21 08 01 21 09 45 J0316+2733 06 29 22 47.0 614.7 3.2 42.4 -15 550 No stop 21 10 45 --- 06 30 22 46.9 615.0 3.2 42.4 45 565 21 09 46 21 10 45 PSOJ0309 06 30 22 45.7 616.3 3.3 42.6 -16 565 No stop 21 12 30 --- 06 32 08 45.4 616.7 3.4 42.7 89 592 21 10 46 Schedule for BADARY (Code Bd ) Page 4 The parsec-scale view of the most distant blazar at z = 6.1 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 ---------------------------------------------------------------------------------------- --- Wed 28 Oct 2020 Day 302 --- 21 13 10 J0316+2733 06 32 48 46.5 615.5 3.3 42.6 25 592 21 13 10 21 14 10 --- 06 33 48 46.4 615.8 3.3 42.6 60 608 21 13 11 21 16 40 DA193 06 36 19 76.2 573.5 0.7 26.4 76 608 21 16 40 21 21 00 --- 06 40 49 75.8 576.7 0.7 28.8 260 674 21 16 41 21 23 35 J0316+2733 06 43 14 45.0 618.0 3.4 43.1 78 674 21 23 35 21 24 35 --- 06 44 25 44.8 618.2 3.4 43.1 60 690 21 23 36 21 24 35 PSOJ0309 06 44 14 43.6 619.5 3.6 43.2 -15 690 No stop 21 26 20 --- 06 46 00 43.3 619.9 3.6 43.3 90 717 21 24 36 21 26 20 J0316+2733 06 46 00 44.5 618.6 3.5 43.2 -15 717 No stop 21 27 20 --- 06 47 00 44.4 618.8 3.5 43.3 45 732 21 26 21 21 27 20 PSOJ0309 06 47 00 43.2 620.1 3.6 43.4 -15 732 No stop 21 29 05 --- 06 48 45 42.9 620.5 3.6 43.4 90 759 21 27 21 21 29 45 J0316+2733 06 49 25 44.0 619.4 3.5 43.4 25 759 21 29 45 21 30 45 --- 06 50 26 43.9 619.6 3.5 43.4 60 774 21 29 46 21 30 45 PSOJ0309 06 50 26 42.7 620.8 3.7 43.5 -15 774 No stop 21 32 30 --- 06 52 11 42.4 621.2 3.7 43.5 90 801 21 30 46 21 32 30 J0316+2733 06 52 11 43.6 620.0 3.6 43.5 -15 801 No stop 21 33 30 --- 06 53 11 43.4 620.2 3.6 43.5 45 817 21 32 31 21 33 30 PSOJ0309 06 53 11 42.2 621.4 3.7 43.6 -15 817 No stop 21 35 15 --- 06 54 56 42.0 621.8 3.7 43.6 90 844 21 33 31 21 35 55 J0316+2733 06 55 36 43.1 620.7 3.6 43.6 25 844 21 35 55 21 36 55 --- 06 56 37 42.9 621.0 3.6 43.6 60 859 21 35 56 21 36 55 PSOJ0309 06 56 37 41.7 622.2 3.8 43.7 -15 859 No stop 21 38 40 --- 06 58 22 41.4 622.6 3.8 43.7 90 886 21 36 56 21 38 40 J0316+2733 06 58 22 42.6 621.3 3.7 43.7 -15 886 No stop 21 39 40 --- 06 59 22 42.5 621.6 3.7 43.7 45 901 21 38 41 21 39 40 PSOJ0309 06 59 22 41.3 622.8 3.8 43.7 -15 901 No stop 21 41 25 --- 07 01 07 41.0 623.1 3.8 43.8 90 928 21 39 41 21 42 05 J0316+2733 07 01 47 42.1 622.1 3.7 43.8 25 928 21 42 05 21 43 05 --- 07 02 48 42.0 622.3 3.8 43.8 60 944 21 42 06 Schedule for BADARY (Code Bd ) Page 5 The parsec-scale view of the most distant blazar at z = 6.1 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 ---------------------------------------------------------------------------------------- --- Wed 28 Oct 2020 Day 302 --- 21 43 05 PSOJ0309 07 02 48 40.8 623.5 3.9 43.8 -15 944 No stop 21 44 50 --- 07 04 33 40.5 623.9 3.9 43.9 90 971 21 43 06 21 44 50 J0316+2733 07 04 33 41.7 622.7 3.8 43.8 -15 971 No stop 21 45 50 --- 07 05 33 41.5 622.9 3.8 43.9 45 986 21 44 51 21 45 50 PSOJ0309 07 05 33 40.3 624.1 3.9 43.9 -15 986 No stop 21 47 35 --- 07 07 18 40.1 624.5 3.9 43.9 90 1013 21 45 51 21 48 15 J0316+2733 07 07 58 41.2 623.4 3.8 43.9 25 1013 21 48 15 21 49 15 --- 07 08 59 41.0 623.6 3.9 44.0 60 1028 21 48 16 21 49 15 PSOJ0309 07 08 59 39.8 624.8 4.0 43.9 -15 1028 No stop 21 51 00 --- 07 10 44 39.5 625.2 4.0 44.0 90 1055 21 49 16 21 51 00 J0316+2733 07 10 44 40.8 624.0 3.9 44.0 -15 1055 No stop 21 52 00 --- 07 11 44 40.6 624.2 3.9 44.0 45 1071 21 51 01 21 52 00 PSOJ0309 07 11 44 39.4 625.4 4.0 44.0 -15 1071 No stop 21 53 45 --- 07 13 29 39.1 625.7 4.0 44.0 90 1097 21 52 01 21 54 25 J0316+2733 07 14 09 40.2 624.7 3.9 44.1 25 1097 21 54 25 21 55 25 --- 07 15 10 40.1 624.9 4.0 44.1 60 1113 21 54 26 21 55 25 PSOJ0309 07 15 10 38.9 626.1 4.1 44.0 -15 1113 No stop 21 57 10 --- 07 16 55 38.6 626.4 4.1 44.1 90 1140 21 55 26 21 57 10 J0316+2733 07 16 55 39.8 625.3 4.0 44.1 -15 1140 No stop 21 58 10 --- 07 17 55 39.6 625.5 4.0 44.1 45 1155 21 57 11 21 58 10 PSOJ0309 07 17 55 38.4 626.6 4.1 44.1 -15 1155 No stop 21 59 55 --- 07 19 40 38.2 627.0 4.1 44.1 90 1182 21 58 11 22 00 35 J0316+2733 07 20 20 39.3 626.0 4.0 44.2 25 1182 22 00 35 22 01 35 --- 07 21 21 39.1 626.2 4.1 44.2 60 1197 22 00 36 22 01 35 PSOJ0309 07 21 21 37.9 627.3 4.2 44.1 -15 1197 No stop 22 03 20 --- 07 23 06 37.6 627.7 4.2 44.1 90 1224 22 01 36 22 03 20 J0316+2733 07 23 06 38.8 626.6 4.1 44.2 -15 1224 No stop 22 04 20 --- 07 24 06 38.7 626.8 4.1 44.2 45 1240 22 03 21 22 04 20 PSOJ0309 07 24 06 37.5 627.9 4.2 44.1 -15 1240 No stop 22 06 05 --- 07 25 51 37.2 628.2 4.2 44.2 90 1267 22 04 21 Schedule for BADARY (Code Bd ) Page 6 The parsec-scale view of the most distant blazar at z = 6.1 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 ---------------------------------------------------------------------------------------- --- Wed 28 Oct 2020 Day 302 --- 22 06 45 J0316+2733 07 26 31 38.3 627.2 4.1 44.2 25 1267 22 06 45 22 07 45 --- 07 27 32 38.2 627.5 4.2 44.2 60 1282 22 06 46 22 07 45 PSOJ0309 07 27 32 36.9 628.6 4.3 44.2 -15 1282 No stop 22 09 30 --- 07 29 17 36.7 628.9 4.3 44.2 90 1309 22 07 46 22 09 30 J0316+2733 07 29 17 37.9 627.8 4.2 44.3 -15 1309 No stop 22 10 30 --- 07 30 17 37.7 628.0 4.2 44.3 45 1324 22 09 31 22 10 30 PSOJ0309 07 30 17 36.5 629.1 4.3 44.2 -15 1324 No stop 22 12 15 --- 07 32 02 36.2 629.5 4.4 44.2 90 1351 22 10 31 22 12 55 J0316+2733 07 32 42 37.4 628.5 4.2 44.3 25 1351 22 12 55 22 13 55 --- 07 33 43 37.2 628.7 4.3 44.3 60 1367 22 12 56 22 13 55 PSOJ0309 07 33 43 36.0 629.8 4.4 44.2 -15 1367 No stop 22 15 40 --- 07 35 28 35.7 630.1 4.4 44.2 90 1394 22 13 56 22 15 40 J0316+2733 07 35 28 36.9 629.0 4.3 44.3 -15 1394 No stop 22 16 40 --- 07 36 28 36.8 629.2 4.3 44.3 45 1409 22 15 41 22 16 40 PSOJ0309 07 36 28 35.6 630.3 4.4 44.2 -15 1409 No stop 22 18 25 --- 07 38 13 35.3 630.7 4.5 44.2 90 1436 22 16 41 22 19 05 J0316+2733 07 38 53 36.4 629.7 4.4 44.3 25 1436 22 19 05 22 20 05 --- 07 39 54 36.2 629.9 4.4 44.3 60 1451 22 19 06 22 20 05 PSOJ0309 07 39 54 35.0 631.0 4.5 44.2 -15 1451 No stop 22 21 50 --- 07 41 39 34.8 631.3 4.5 44.2 90 1478 22 20 06 22 21 50 J0316+2733 07 41 39 36.0 630.3 4.4 44.3 -15 1478 No stop 22 22 50 --- 07 42 39 35.8 630.5 4.4 44.3 45 1494 22 21 51 22 22 50 PSOJ0309 07 42 39 34.6 631.5 4.5 44.2 -15 1494 No stop 22 24 35 --- 07 44 24 34.3 631.9 4.6 44.1 90 1521 22 22 51 22 25 15 J0316+2733 07 45 04 35.4 630.9 4.5 44.3 25 1521 22 25 15 22 26 15 --- 07 46 05 35.3 631.1 4.5 44.3 60 1536 22 25 16 22 26 55 PSOJ0309 07 46 45 34.0 632.3 4.6 44.1 25 1536 22 26 55 22 28 40 --- 07 48 30 33.7 632.7 4.6 44.1 105 1563 22 26 56 22 29 20 J0316+2733 07 49 10 34.8 631.7 4.5 44.3 25 1563 22 29 20 22 30 20 --- 07 50 10 34.7 631.9 4.5 44.3 60 1578 22 29 21 Schedule for BADARY (Code Bd ) Page 7 The parsec-scale view of the most distant blazar at z = 6.1 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 ---------------------------------------------------------------------------------------- --- Wed 28 Oct 2020 Day 302 --- 22 31 00 PSOJ0309 07 50 50 33.3 633.1 4.7 44.1 25 1578 22 31 00 22 32 45 --- 07 52 36 33.1 633.5 4.7 44.1 105 1605 22 31 01 22 33 25 J0316+2733 07 53 16 34.2 632.5 4.6 44.2 25 1605 22 33 25 22 34 25 --- 07 54 16 34.0 632.7 4.6 44.2 60 1621 22 33 26 22 35 05 J0316+2733 07 54 56 33.9 632.8 4.6 44.2 34 1621 22 35 05 22 36 05 --- 07 55 56 33.8 633.0 4.6 44.2 60 1636 22 35 06 22 36 05 PSOJ0309 07 55 56 32.6 634.1 4.7 44.0 -15 1636 No stop 22 37 50 --- 07 57 42 32.3 634.4 4.8 44.0 90 1663 22 36 06 22 37 50 J0316+2733 07 57 42 33.5 633.4 4.7 44.2 -15 1663 No stop 22 38 50 --- 07 58 42 33.3 633.5 4.7 44.2 45 1678 22 37 51 22 38 50 PSOJ0309 07 58 42 32.1 634.6 4.8 44.0 -15 1678 No stop 22 40 35 --- 08 00 27 31.9 634.9 4.8 44.0 90 1705 22 38 51 22 41 15 J0316+2733 08 01 07 33.0 634.0 4.7 44.2 25 1705 22 41 15 22 42 15 --- 08 02 07 32.8 634.2 4.7 44.2 60 1721 22 41 16 22 42 15 PSOJ0309 08 02 07 31.6 635.3 4.9 43.9 -15 1721 No stop 22 44 00 --- 08 03 53 31.3 635.6 4.9 43.9 90 1747 22 42 16 22 44 00 J0316+2733 08 03 53 32.5 634.5 4.8 44.1 -15 1747 No stop 22 45 00 --- 08 04 53 32.4 634.7 4.8 44.1 45 1763 22 44 01 22 45 00 PSOJ0309 08 04 53 31.2 635.8 4.9 43.9 -15 1763 No stop 22 46 45 --- 08 06 38 30.9 636.1 4.9 43.9 90 1790 22 45 01 22 47 25 J0316+2733 08 07 18 32.0 635.2 4.8 44.1 25 1790 22 47 25 22 48 25 --- 08 08 18 31.9 635.4 4.8 44.1 60 1805 22 47 26 22 48 25 PSOJ0309 08 08 18 30.6 636.4 5.0 43.8 -15 1805 No stop 22 50 10 --- 08 10 04 30.4 636.7 5.0 43.8 90 1832 22 48 26 22 50 10 J0316+2733 08 10 04 31.6 635.7 4.9 44.0 -15 1832 No stop 22 51 10 --- 08 11 04 31.4 635.9 4.9 44.0 45 1847 22 50 11 22 51 10 PSOJ0309 08 11 04 30.2 636.9 5.0 43.8 -15 1847 No stop 22 52 55 --- 08 12 49 30.0 637.2 5.0 43.7 90 1874 22 51 11 22 53 35 J0316+2733 08 13 29 31.1 636.3 4.9 44.0 25 1874 22 53 35 22 54 35 --- 08 14 29 30.9 636.5 4.9 43.9 60 1890 22 53 36 Schedule for BADARY (Code Bd ) Page 8 The parsec-scale view of the most distant blazar at z = 6.1 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 ---------------------------------------------------------------------------------------- --- Wed 28 Oct 2020 Day 302 --- 22 54 35 PSOJ0309 08 14 29 29.7 637.6 5.1 43.7 -15 1890 No stop 22 56 20 --- 08 16 15 29.4 637.9 5.1 43.7 90 1917 22 54 36 22 56 20 J0316+2733 08 16 15 30.6 636.8 5.0 43.9 -15 1917 No stop 22 57 20 --- 08 17 15 30.5 637.0 5.0 43.9 45 1932 22 56 21 22 57 20 PSOJ0309 08 17 15 29.3 638.1 5.1 43.6 -15 1932 No stop 22 59 05 --- 08 19 00 29.0 638.4 5.1 43.6 90 1959 22 57 21 22 59 45 J0316+2733 08 19 40 30.1 637.5 5.0 43.8 25 1959 22 59 45 23 00 45 --- 08 20 40 30.0 637.7 5.0 43.8 60 1974 22 59 46 23 00 45 PSOJ0309 08 20 40 28.8 638.7 5.2 43.5 -15 1974 No stop 23 02 30 --- 08 22 26 28.5 639.0 5.2 43.5 90 2001 23 00 46 23 02 30 J0316+2733 08 22 26 29.7 638.0 5.1 43.8 -15 2001 No stop 23 03 30 --- 08 23 26 29.5 638.2 5.1 43.7 45 2017 23 02 31 23 03 30 PSOJ0309 08 23 26 28.3 639.2 5.2 43.5 -15 2017 No stop 23 05 15 --- 08 25 11 28.1 639.5 5.2 43.4 90 2044 23 03 31 23 05 55 J0316+2733 08 25 51 29.2 638.6 5.1 43.7 25 2044 23 05 55 23 06 55 --- 08 26 51 29.0 638.8 5.2 43.6 60 2059 23 05 56 23 06 55 PSOJ0309 08 26 51 27.8 639.8 5.3 43.4 -15 2059 No stop 23 08 40 --- 08 28 37 27.5 640.1 5.3 43.3 90 2086 23 06 56 23 08 40 J0316+2733 08 28 37 28.7 639.1 5.2 43.6 -15 2086 No stop 23 09 40 --- 08 29 37 28.6 639.3 5.2 43.6 45 2101 23 08 41 23 09 40 PSOJ0309 08 29 37 27.4 640.3 5.3 43.3 -15 2101 No stop 23 11 25 --- 08 31 22 27.1 640.6 5.3 43.2 90 2128 23 09 41 23 12 05 J0316+2733 08 32 02 28.2 639.7 5.2 43.5 25 2128 23 12 05 23 13 05 --- 08 33 02 28.1 639.9 5.3 43.5 60 2144 23 12 06 23 13 05 PSOJ0309 08 33 02 26.9 640.9 5.4 43.2 -15 2144 No stop 23 14 50 --- 08 34 48 26.6 641.3 5.4 43.1 90 2171 23 13 06 23 14 50 J0316+2733 08 34 48 27.8 640.2 5.3 43.4 -15 2171 No stop 23 15 50 --- 08 35 48 27.6 640.4 5.3 43.4 45 2186 23 14 51 23 15 50 PSOJ0309 08 35 48 26.4 641.4 5.4 43.1 -15 2186 No stop 23 17 35 --- 08 37 33 26.2 641.8 5.4 43.0 90 2213 23 15 51 Schedule for BADARY (Code Bd ) Page 9 The parsec-scale view of the most distant blazar at z = 6.1 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 ---------------------------------------------------------------------------------------- --- Wed 28 Oct 2020 Day 302 --- 23 18 15 J0316+2733 08 38 13 27.3 640.9 5.3 43.3 25 2213 23 18 15 23 19 15 --- 08 39 13 27.1 641.0 5.4 43.3 60 2228 23 18 16 23 19 15 PSOJ0309 08 39 13 25.9 642.1 5.5 43.0 -15 2228 No stop 23 21 00 --- 08 40 59 25.7 642.4 5.5 42.9 90 2255 23 19 16 23 21 00 J0316+2733 08 40 59 26.9 641.4 5.4 43.2 -15 2255 No stop 23 22 00 --- 08 41 59 26.7 641.5 5.4 43.2 45 2271 23 21 01 23 22 00 PSOJ0309 08 41 59 25.5 642.6 5.5 42.9 -15 2271 No stop 23 23 45 --- 08 43 44 25.2 642.9 5.5 42.8 90 2297 23 22 01 23 24 25 J0316+2733 08 44 24 26.3 642.0 5.4 43.1 25 2297 23 24 25 23 25 25 --- 08 45 24 26.2 642.2 5.5 43.1 60 2313 23 24 26 23 28 51 DA193 08 48 51 58.3 625.1 2.9 53.4 126 2313 23 28 51 23 33 11 --- 08 53 21 57.6 626.0 2.9 53.5 260 2379 23 28 52 23 36 48 J0316+2733 08 56 49 24.5 644.2 5.7 42.6 136 2379 23 36 48 23 37 48 --- 08 57 59 24.3 644.4 5.7 42.6 60 2395 23 36 49 23 37 48 PSOJ0309 08 57 49 23.1 645.4 5.8 42.2 -15 2395 No stop 23 39 33 --- 08 59 34 22.9 645.7 5.8 42.1 90 2422 23 37 49 23 39 33 J0316+2733 08 59 34 24.1 644.7 5.7 42.5 -15 2422 No stop 23 40 33 --- 09 00 34 23.9 644.9 5.7 42.5 45 2437 23 39 34 23 40 33 PSOJ0309 09 00 34 22.7 645.9 5.8 42.1 -15 2437 No stop 23 42 18 --- 09 02 20 22.5 646.2 5.9 42.0 90 2464 23 40 34 23 42 58 J0316+2733 09 03 00 23.5 645.3 5.8 42.3 25 2464 23 42 58 23 43 58 --- 09 04 00 23.4 645.5 5.8 42.3 60 2479 23 42 59 23 43 58 PSOJ0309 09 04 00 22.2 646.5 5.9 41.9 -15 2479 No stop 23 45 43 --- 09 05 45 22.0 646.8 5.9 41.8 90 2506 23 43 59 23 45 43 J0316+2733 09 05 45 23.1 645.8 5.8 42.2 -15 2506 No stop 23 46 43 --- 09 06 45 23.0 646.0 5.8 42.2 45 2522 23 45 44 23 46 43 PSOJ0309 09 06 45 21.8 647.0 5.9 41.8 -15 2522 No stop 23 48 28 --- 09 08 31 21.5 647.3 6.0 41.7 90 2549 23 46 44 23 49 08 J0316+2733 09 09 11 22.6 646.4 5.9 42.1 25 2549 23 49 08 23 50 08 --- 09 10 11 22.5 646.6 5.9 42.0 60 2564 23 49 09 Schedule for BADARY (Code Bd ) Page 10 The parsec-scale view of the most distant blazar at z = 6.1 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 ---------------------------------------------------------------------------------------- --- Wed 28 Oct 2020 Day 302 --- 23 50 08 PSOJ0309 09 10 11 21.3 647.6 6.0 41.6 -15 2564 No stop 23 51 53 --- 09 11 56 21.0 647.9 6.0 41.5 90 2591 23 50 09 23 51 53 J0316+2733 09 11 56 22.2 646.9 5.9 41.9 -15 2591 No stop 23 52 53 --- 09 12 56 22.1 647.1 5.9 41.9 45 2606 23 51 54 23 52 53 PSOJ0309 09 12 56 20.9 648.1 6.0 41.5 -15 2606 No stop 23 54 38 --- 09 14 42 20.6 648.4 6.1 41.4 90 2633 23 52 54 23 55 18 J0316+2733 09 15 22 21.7 647.5 6.0 41.8 25 2633 23 55 18 23 56 18 --- 09 16 22 21.6 647.7 6.0 41.7 60 2649 23 55 19 23 56 18 PSOJ0309 09 16 22 20.4 648.7 6.1 41.3 -15 2649 No stop 23 58 03 --- 09 18 07 20.1 649.0 6.1 41.2 90 2676 23 56 19 23 58 03 J0316+2733 09 18 07 21.3 648.0 6.0 41.6 -15 2676 No stop 23 59 03 --- 09 19 07 21.2 648.2 6.0 41.6 45 2691 23 58 04 --- Start: Wed 28 Oct 2020 Day 302 -- Stop: Thu 29 Oct 2020 Day 303 --- 23 59 03 PSOJ0309 09 19 07 20.0 649.2 6.1 41.2 -15 2691 No stop 00 00 48 --- 09 20 53 19.7 649.5 6.2 41.1 90 2718 23 59 04 00 01 28 J0316+2733 09 21 33 20.8 648.6 6.1 41.4 25 2718 00 01 28 00 02 28 --- 09 22 33 20.7 648.8 6.1 41.4 60 2733 00 01 29 00 02 28 PSOJ0309 09 22 33 19.5 649.8 6.2 41.0 -15 2733 No stop 00 04 13 --- 09 24 18 19.2 650.1 6.2 40.9 90 2760 00 02 29 00 04 13 J0316+2733 09 24 18 20.4 649.1 6.1 41.3 -15 2760 No stop 00 05 13 --- 09 25 18 20.3 649.3 6.1 41.2 45 2776 00 04 14 00 05 13 PSOJ0309 09 25 18 19.1 650.3 6.2 40.8 -15 2776 No stop 00 06 58 --- 09 27 04 18.8 650.6 6.3 40.7 90 2803 00 05 14 00 07 38 J0316+2733 09 27 44 19.9 649.7 6.2 41.1 25 2803 00 07 38 00 08 38 --- 09 28 44 19.8 649.9 6.2 41.1 60 2818 00 07 39 00 08 38 PSOJ0309 09 28 44 18.6 650.9 6.3 40.6 -15 2818 No stop 00 10 23 --- 09 30 29 18.3 651.2 6.3 40.5 90 2845 00 08 39 00 10 23 J0316+2733 09 30 29 19.5 650.2 6.2 41.0 -15 2845 No stop 00 11 23 --- 09 31 29 19.4 650.4 6.2 40.9 45 2860 00 10 24 Schedule for BADARY (Code Bd ) Page 11 The parsec-scale view of the most distant blazar at z = 6.1 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 29 Oct 2020 Day 303 --- 00 11 23 PSOJ0309 09 31 29 18.2 651.4 6.3 40.5 -15 2860 No stop 00 13 08 --- 09 33 15 17.9 651.7 6.4 40.3 90 2887 00 11 24 00 13 48 J0316+2733 09 33 55 19.0 650.8 6.3 40.8 25 2887 00 13 48 00 14 48 --- 09 34 55 18.9 651.0 6.3 40.7 60 2903 00 13 49 00 14 48 PSOJ0309 09 34 55 17.7 652.0 6.4 40.2 -15 2903 No stop 00 16 33 --- 09 36 40 17.5 652.3 6.4 40.1 90 2929 00 14 49 00 16 33 J0316+2733 09 36 40 18.6 651.3 6.3 40.6 -15 2929 No stop 00 17 33 --- 09 37 40 18.5 651.5 6.3 40.5 45 2945 00 16 34 00 17 33 PSOJ0309 09 37 40 17.3 652.5 6.4 40.1 -15 2945 No stop 00 19 18 --- 09 39 26 17.1 652.8 6.5 40.0 90 2972 00 17 34 00 19 58 J0316+2733 09 40 06 18.1 651.9 6.4 40.4 26 2972 00 19 58 00 20 58 --- 09 41 06 18.0 652.1 6.4 40.3 60 2987 00 19 59 00 20 58 PSOJ0309 09 41 06 16.8 653.1 6.5 39.9 -15 2987 No stop 00 22 43 --- 09 42 51 16.6 653.4 6.5 39.7 90 3014 00 20 59 00 22 43 J0316+2733 09 42 51 17.7 652.4 6.4 40.2 -14 3014 No stop 00 23 43 --- 09 43 51 17.6 652.6 6.4 40.2 46 3029 00 22 44 00 23 43 PSOJ0309 09 43 51 16.4 653.6 6.5 39.7 -15 3029 No stop 00 25 28 --- 09 45 37 16.2 653.9 6.6 39.6 90 3056 00 23 44 00 26 08 J0316+2733 09 46 17 17.2 653.0 6.5 40.0 26 3056 00 26 08 00 27 08 --- 09 47 17 17.1 653.2 6.5 39.9 60 3072 00 26 09 00 27 48 PSOJ0309 09 47 57 15.8 654.3 6.6 39.4 25 3072 00 27 48 00 29 33 --- 09 49 42 15.6 654.6 6.6 39.3 105 3099 00 27 49 00 30 13 J0316+2733 09 50 23 16.6 653.7 6.5 39.7 26 3099 00 30 13 00 31 13 --- 09 51 23 16.5 653.9 6.6 39.7 60 3114 00 30 14 00 31 53 PSOJ0309 09 52 03 15.3 655.1 6.7 39.1 25 3114 00 31 53 00 33 38 --- 09 53 48 15.0 655.4 6.7 39.0 105 3141 00 31 54 00 34 18 J0316+2733 09 54 28 16.1 654.5 6.6 39.5 26 3141 00 34 18 00 35 18 --- 09 55 28 15.9 654.6 6.6 39.4 60 3156 00 34 19 00 35 58 J0316+2733 09 56 09 15.8 654.8 6.6 39.4 34 3156 00 35 58 00 36 58 --- 09 57 09 15.7 654.9 6.7 39.3 60 3172 00 35 59 Schedule for BADARY (Code Bd ) Page 12 The parsec-scale view of the most distant blazar at z = 6.1 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 29 Oct 2020 Day 303 --- 00 36 58 PSOJ0309 09 57 09 14.6 656.0 6.8 38.8 -15 3172 No stop 00 38 43 --- 09 58 54 14.3 656.3 6.8 38.7 90 3199 00 36 59 00 38 43 J0316+2733 09 58 54 15.4 655.3 6.7 39.2 -14 3199 No stop 00 39 43 --- 09 59 54 15.3 655.4 6.7 39.1 46 3214 00 38 44 00 39 43 PSOJ0309 09 59 54 14.2 656.5 6.8 38.6 -15 3214 No stop 00 41 28 --- 10 01 39 13.9 656.8 6.8 38.5 90 3241 00 39 44 00 42 08 J0316+2733 10 02 20 15.0 655.9 6.7 38.9 26 3241 00 42 08 00 43 08 --- 10 03 20 14.8 656.0 6.8 38.9 60 3256 00 42 09 00 43 08 PSOJ0309 10 03 20 13.7 657.1 6.9 38.3 -15 3256 No stop 00 44 53 --- 10 05 05 13.5 657.4 6.9 38.2 90 3283 00 43 09 00 44 53 J0316+2733 10 05 05 14.6 656.4 6.8 38.7 -14 3283 No stop 00 45 53 --- 10 06 05 14.4 656.5 6.8 38.7 46 3299 00 44 54 00 45 53 PSOJ0309 10 06 05 13.3 657.6 6.9 38.1 -15 3299 No stop 00 47 38 --- 10 07 50 13.1 657.9 6.9 38.0 90 3326 00 45 54 00 48 18 J0316+2733 10 08 31 14.1 657.0 6.8 38.5 26 3326 00 48 18 00 49 18 --- 10 09 31 14.0 657.2 6.9 38.4 60 3341 00 48 19 00 49 18 PSOJ0309 10 09 31 12.9 658.2 7.0 37.9 -15 3341 No stop 00 51 03 --- 10 11 16 12.6 658.5 7.0 37.8 90 3368 00 49 19 00 51 03 J0316+2733 10 11 16 13.7 657.5 6.9 38.3 -14 3368 No stop 00 52 03 --- 10 12 16 13.6 657.6 6.9 38.2 46 3383 00 51 04 00 52 03 PSOJ0309 10 12 16 12.5 658.7 7.0 37.7 -15 3383 No stop 00 53 48 --- 10 14 01 12.2 659.0 7.0 37.6 90 3410 00 52 04 00 54 28 J0316+2733 10 14 42 13.3 658.1 6.9 38.0 26 3410 00 54 28 00 55 28 --- 10 15 42 13.1 658.3 7.0 38.0 60 3426 00 54 29 00 55 28 PSOJ0309 10 15 42 12.0 659.3 7.1 37.4 -14 3426 No stop 00 57 13 --- 10 17 27 11.8 659.6 7.1 37.3 91 3453 00 55 29 00 57 13 J0316+2733 10 17 27 12.9 658.6 7.0 37.8 -14 3453 No stop 00 58 13 --- 10 18 27 12.8 658.8 7.0 37.8 46 3468 00 57 14 00 58 13 PSOJ0309 10 18 27 11.6 659.8 7.1 37.2 -14 3468 No stop 00 59 58 --- 10 20 12 11.4 660.1 7.2 37.1 91 3495 00 58 14 Schedule for BADARY (Code Bd ) Page 13 The parsec-scale view of the most distant blazar at z = 6.1 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 29 Oct 2020 Day 303 --- 01 00 38 J0316+2733 10 20 53 12.4 659.2 7.1 37.6 26 3495 01 00 38 01 01 38 --- 10 21 53 12.3 659.4 7.1 37.5 60 3510 01 00 39 01 01 38 PSOJ0309 10 21 53 11.2 660.4 7.2 36.9 -14 3510 No stop 01 03 23 --- 10 23 38 11.0 660.7 7.2 36.8 91 3537 01 01 39 01 03 23 J0316+2733 10 23 38 12.1 659.7 7.1 37.4 -14 3537 No stop 01 04 23 --- 10 24 38 11.9 659.9 7.1 37.3 46 3553 01 03 24 01 04 23 PSOJ0309 10 24 38 10.8 660.9 7.2 36.7 -14 3553 No stop 01 06 08 --- 10 26 23 10.6 661.2 7.3 36.6 91 3579 01 04 24 01 06 48 J0316+2733 10 27 04 11.6 660.3 7.2 37.1 26 3579 01 06 48 01 07 48 --- 10 28 04 11.5 660.5 7.2 37.0 60 3595 01 06 49 01 07 48 PSOJ0309 10 28 04 10.4 661.5 7.3 36.4 -14 3595 No stop 01 09 33 --- 10 29 49 10.1 661.9 7.3 36.3 91 3622 01 07 49 01 09 33 J0316+2733 10 29 49 11.2 660.8 7.2 36.9 -14 3622 No stop 01 10 33 --- 10 30 49 11.1 661.0 7.2 36.8 46 3637 01 09 34 01 10 33 PSOJ0309 10 30 49 10.0 662.0 7.3 36.2 -14 3637 No stop 01 12 18 --- 10 32 34 9.8 662.4 7.4 D 36.1 0 3664 01 10 34 01 12 58 J0316+2733 10 33 15 10.8 661.4 7.3 36.6 26 3664 01 12 58 01 13 58 --- 10 34 15 10.6 661.6 7.3 36.5 60 3679 01 12 59 01 15 43 J0316+2733 10 36 00 10.4 661.9 7.3 36.4 99 3679 01 15 43 01 16 43 --- 10 37 00 10.3 662.1 7.3 36.3 60 3695 01 15 44 02 20 41 DA193 11 41 09 32.4 654.8 5.7 47.0 3761 3695 02 20 41 02 25 01 --- 11 45 40 31.8 655.5 5.8 46.6 260 3762 02 20 42 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess320.K2048 Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: kvzr_k Added by Des Small, 24 February 2012 Setup group: 3 Station: BADARY 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= 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 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: 10 Setup file default. Used with PCAL = off LO sum= 22139.49 22139.49 22139.49 22139.49 22203.49 22203.49 22203.49 22203.49 22267.49 22267.49 22267.49 22267.49 22331.49 22331.49 22331.49 22331.49 BBC fr= 219.49 219.49 219.49 219.49 283.49 283.49 283.49 283.49 347.49 347.49 347.49 347.49 411.49 411.49 411.49 411.49 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: 10 11 12 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) * PSOJ0309 03 06 48.589182 * 03 09 47.486200 03 11 02.246202 0.00 27 06 34.92609 * 27 17 57.31670 27 22 39.46655 0.00 From catalog imbedded in main SCHED input file. position of the core from VLBA 8.4 GHz * J0316+2733 03 13 29.159808 * 03 16 29.011900 03 17 44.158505 0.00 27 22 07.44354 * 27 33 08.14700 27 37 41.07913 0.00 From catalog imbedded in main SCHED input file. position from astrogeo.org J0555+3948 05 52 01.407174 * 05 55 30.805616 05 56 57.587555 0.13 0552+398 39 48 21.94578 * 39 48 49.16493 39 48 52.95084 0.10 * DA193 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.vlba.2012jul J0555+39 rfc_2012b Petrov, 2012, unpublished 376994 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 PSOJ0309 sess320.K2048 1 2 3 4 5 6 7 8 10 15 18 4.083 465.455 J0316+2733 sess320.K2048 1 2 3 4 5 6 7 8 10 15 18 2.450 298.266 DA193 sess320.K2048 1 2 3 4 5 6 7 8 10 15 18 0.217 42.611 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) PSOJ0309 161.0 J0316+2733 159.7 DA193 125.0 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