COVER INFORMATION Station: WSTRBORK (Code Wb ) Experiment: Confirmation of close dual quasars at z=0.6-2.5 Exp. Code: ES103B Schedule Version: 3.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Yiping SHU Address: Purple Mountain Observatory, Chinese Academy of Sciences No. 10 Yuanhua Road Nanjing China Phone: +86 15946854256 EMAIL: yiping.shu@pmo.ac.cn Fax: Phone during observation: +86 15946854256 Observing mode: vlbi Notes: # Please turn PHASE CAL ON # v3: shorter phase-ref cycle [5min vice 8min] COVER LETTER: Schedule for WSTRBORK (Code Wb ) Page 2 Confirmation of close dual quasars at z=0.6-2.5 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sun 23 Oct 2022 Day 296 --- Next scan frequencies: 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 371.49 371.49 371.49 371.49 435.49 435.49 435.49 435.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 02 00 00 J0927+3902 04 32 17 39.1 74.4 -4.9 0.0 0 0 02 00 00 02 05 00 =4C39.25 04 37 18 39.8 75.3 -4.9 0.0 300 39 02 00 01 02 06 00 J0919+3324 04 38 18 37.3 82.1 -4.7 0.0 28 39 02 06 00 02 11 00 =0916+336 04 43 19 38.0 83.0 -4.6 0.0 300 77 02 06 01 02 11 00 SDSSJ0908+34 04 43 19 40.6 83.6 -4.5 0.0 -22 77 No stop 02 14 00 --- 04 46 20 41.0 84.1 -4.4 0.0 158 100 02 11 01 02 14 30 J0919+3324 04 46 50 38.6 83.7 -4.6 0.0 9 100 02 14 30 02 16 30 =0916+336 04 48 50 38.9 84.1 -4.5 0.0 120 116 02 14 31 02 16 30 SDSSJ0908+34 04 48 50 41.4 84.6 -4.4 0.0 -22 116 No stop 02 19 30 --- 04 51 51 41.8 85.2 -4.3 0.0 158 139 02 16 31 02 19 30 J0919+3324 04 51 51 39.3 84.6 -4.5 0.0 -21 139 No stop 02 21 30 =0916+336 04 53 51 39.6 85.0 -4.4 0.0 99 155 02 19 31 02 21 30 SDSSJ0908+34 04 53 51 42.1 85.5 -4.3 0.0 -22 155 No stop 02 24 30 --- 04 56 51 42.6 86.1 -4.2 0.0 158 178 02 21 31 02 25 00 J0919+3324 04 57 21 40.2 85.7 -4.4 0.0 9 178 02 25 00 02 27 00 =0916+336 04 59 22 40.5 86.0 -4.4 0.0 120 193 02 25 01 02 27 00 SDSSJ0908+34 04 59 22 43.0 86.6 -4.2 0.0 -22 193 No stop 02 30 00 --- 05 02 22 43.4 87.2 -4.1 0.0 158 216 02 27 01 02 30 00 J0919+3324 05 02 22 40.9 86.6 -4.3 0.0 -21 216 No stop 02 32 00 =0916+336 05 04 23 41.2 87.0 -4.3 0.0 99 232 02 30 01 02 32 00 SDSSJ0908+34 05 04 23 43.7 87.5 -4.1 0.0 -22 232 No stop 02 35 00 --- 05 07 23 44.2 88.1 -4.0 0.0 158 255 02 32 01 02 35 30 J0919+3324 05 07 53 41.7 87.7 -4.2 0.0 9 255 02 35 30 02 37 30 =0916+336 05 09 53 42.0 88.1 -4.2 0.0 120 271 02 35 31 02 37 30 SDSSJ0908+34 05 09 53 44.6 88.6 -4.0 0.0 -22 271 No stop 02 40 30 --- 05 12 54 45.0 89.2 -4.0 0.0 158 294 02 37 31 02 40 30 J0919+3324 05 12 54 42.5 88.7 -4.1 0.0 -21 294 No stop 02 42 30 =0916+336 05 14 54 42.8 89.1 -4.1 0.0 99 309 02 40 31 Schedule for WSTRBORK (Code Wb ) Page 3 Confirmation of close dual quasars at z=0.6-2.5 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sun 23 Oct 2022 Day 296 --- 02 42 30 SDSSJ0908+34 05 14 54 45.3 89.6 -3.9 0.0 -22 309 No stop 02 45 30 --- 05 17 55 45.8 90.2 -3.9 0.0 158 332 02 42 31 02 46 00 J0919+3324 05 18 25 43.3 89.8 -4.0 0.0 9 332 02 46 00 02 48 00 =0916+336 05 20 25 43.6 90.2 -4.0 0.0 120 348 02 46 01 02 48 00 SDSSJ0908+34 05 20 25 46.1 90.7 -3.8 0.0 -22 348 No stop 02 51 00 --- 05 23 26 46.6 91.3 -3.8 0.0 158 371 02 48 01 02 51 00 J0919+3324 05 23 26 44.1 90.8 -4.0 0.0 -21 371 No stop 02 53 00 =0916+336 05 25 26 44.4 91.2 -3.9 0.0 99 386 02 51 01 02 53 00 SDSSJ0908+34 05 25 26 46.9 91.7 -3.7 0.0 -22 386 No stop 02 56 00 --- 05 28 26 47.4 92.3 -3.7 0.0 158 410 02 53 01 02 56 30 J0919+3324 05 28 57 44.9 91.9 -3.9 0.0 9 410 02 56 30 02 58 30 =0916+336 05 30 57 45.2 92.3 -3.8 0.0 120 425 02 56 31 02 58 30 SDSSJ0908+34 05 30 57 47.7 92.9 -3.7 0.0 -22 425 No stop 03 01 30 --- 05 33 57 48.2 93.5 -3.6 0.0 158 448 02 58 31 03 01 30 J0919+3324 05 33 57 45.7 92.9 -3.8 0.0 -21 448 No stop 03 03 30 =0916+336 05 35 58 46.0 93.3 -3.7 0.0 99 464 03 01 31 03 03 30 SDSSJ0908+34 05 35 58 48.5 93.9 -3.6 0.0 -22 464 No stop 03 06 30 --- 05 38 58 48.9 94.5 -3.5 0.0 158 487 03 03 31 03 07 00 J0919+3324 05 39 28 46.5 94.1 -3.7 0.0 9 487 03 07 00 03 09 00 =0916+336 05 41 29 46.8 94.5 -3.7 0.0 120 502 03 07 01 03 09 00 SDSSJ0908+34 05 41 29 49.3 95.1 -3.5 0.0 -22 502 No stop 03 12 00 --- 05 44 29 49.8 95.7 -3.4 0.0 158 526 03 09 01 03 12 00 J0919+3324 05 44 29 47.2 95.1 -3.6 0.0 -21 526 No stop 03 14 00 =0916+336 05 46 29 47.5 95.6 -3.6 0.0 99 541 03 12 01 03 14 00 SDSSJ0908+34 05 46 29 50.1 96.2 -3.4 0.0 -22 541 No stop 03 17 00 --- 05 49 30 50.5 96.8 -3.3 0.0 158 564 03 14 01 03 17 30 J0919+3324 05 50 00 48.1 96.3 -3.5 0.0 9 564 03 17 30 03 19 30 =0916+336 05 52 00 48.4 96.7 -3.5 0.0 120 580 03 17 31 03 19 30 SDSSJ0908+34 05 52 00 50.9 97.4 -3.3 0.0 -22 580 No stop 03 22 30 --- 05 55 01 51.3 98.1 -3.3 0.0 158 603 03 19 31 Schedule for WSTRBORK (Code Wb ) Page 4 Confirmation of close dual quasars at z=0.6-2.5 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sun 23 Oct 2022 Day 296 --- 03 22 30 J0919+3324 05 55 01 48.8 97.4 -3.4 0.0 -21 603 No stop 03 24 30 =0916+336 05 57 01 49.1 97.9 -3.4 0.0 99 618 03 22 31 03 24 30 SDSSJ0908+34 05 57 01 51.6 98.5 -3.2 0.0 -22 618 No stop 03 27 30 --- 06 00 02 52.1 99.2 -3.2 0.0 158 642 03 24 31 03 28 00 J0919+3324 06 00 32 49.6 98.6 -3.3 0.0 9 642 03 28 00 03 30 00 =0916+336 06 02 32 49.9 99.1 -3.3 0.0 120 657 03 28 01 03 30 00 SDSSJ0908+34 06 02 32 52.5 99.8 -3.1 0.0 -22 657 No stop 03 33 00 --- 06 05 33 52.9 100.5 -3.1 0.0 158 680 03 30 01 03 33 00 J0919+3324 06 05 33 50.4 99.8 -3.2 0.0 -21 680 No stop 03 35 00 =0916+336 06 07 33 50.7 100.3 -3.2 0.0 99 696 03 33 01 03 35 00 SDSSJ0908+34 06 07 33 53.2 101.0 -3.0 0.0 -22 696 No stop 03 38 00 --- 06 10 33 53.6 101.7 -3.0 0.0 158 719 03 35 01 03 38 30 J0919+3324 06 11 03 51.2 101.1 -3.2 0.0 9 719 03 38 30 03 40 30 =0916+336 06 13 04 51.5 101.6 -3.1 0.0 120 734 03 38 31 03 40 30 SDSSJ0908+34 06 13 04 54.0 102.3 -3.0 0.0 -22 734 No stop 03 43 30 --- 06 16 04 54.5 103.0 -2.9 0.0 158 757 03 40 31 03 43 30 J0919+3324 06 16 04 52.0 102.3 -3.1 0.0 -21 757 No stop 03 45 30 =0916+336 06 18 05 52.2 102.8 -3.0 0.0 99 773 03 43 31 03 45 30 SDSSJ0908+34 06 18 05 54.8 103.5 -2.9 0.0 -22 773 No stop 03 48 30 --- 06 21 05 55.2 104.3 -2.8 0.0 158 796 03 45 31 03 49 00 J0919+3324 06 21 35 52.8 103.6 -3.0 0.0 9 796 03 49 00 03 51 00 =0916+336 06 23 36 53.1 104.1 -2.9 0.0 120 812 03 49 01 03 51 00 SDSSJ0908+34 06 23 36 55.6 104.9 -2.8 0.0 -22 812 No stop 03 54 00 --- 06 26 36 56.0 105.7 -2.7 0.0 158 835 03 51 01 03 54 00 J0919+3324 06 26 36 53.5 104.9 -2.9 0.0 -21 835 No stop 03 56 00 =0916+336 06 28 36 53.8 105.4 -2.9 0.0 99 850 03 54 01 03 57 00 J0927+3902 06 29 37 56.6 96.5 -3.0 0.0 28 850 03 57 00 04 02 00 =4C39.25 06 34 37 57.3 97.6 -2.9 0.0 300 889 03 57 01 04 03 00 J0919+3324 06 35 38 54.8 107.2 -2.7 0.0 28 889 04 03 00 04 08 00 =0916+336 06 40 38 55.5 108.5 -2.7 0.0 300 927 04 03 01 Schedule for WSTRBORK (Code Wb ) Page 5 Confirmation of close dual quasars at z=0.6-2.5 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sun 23 Oct 2022 Day 296 --- 04 08 00 SDSSJ0908+34 06 40 38 58.0 109.5 -2.5 0.0 -22 927 No stop 04 11 00 --- 06 43 39 58.4 110.3 -2.4 0.0 158 951 04 08 01 04 11 30 J0919+3324 06 44 09 56.0 109.5 -2.6 0.0 9 951 04 11 30 04 13 30 =0916+336 06 46 09 56.3 110.0 -2.6 0.0 120 966 04 11 31 04 13 30 SDSSJ0908+34 06 46 09 58.8 111.1 -2.4 0.0 -22 966 No stop 04 16 30 --- 06 49 10 59.2 111.9 -2.4 0.0 158 989 04 13 31 04 16 30 J0919+3324 06 49 10 56.7 110.9 -2.5 0.0 -21 989 No stop 04 18 30 =0916+336 06 51 10 57.0 111.4 -2.5 0.0 99 1005 04 16 31 04 18 30 SDSSJ0908+34 06 51 10 59.5 112.5 -2.3 0.0 -22 1005 No stop 04 21 30 --- 06 54 11 59.9 113.4 -2.3 0.0 158 1028 04 18 31 04 22 00 J0919+3324 06 54 41 57.5 112.4 -2.4 0.0 9 1028 04 22 00 04 24 00 =0916+336 06 56 41 57.8 113.0 -2.4 0.0 120 1043 04 22 01 04 24 00 SDSSJ0908+34 06 56 41 60.3 114.2 -2.2 0.0 -22 1043 No stop 04 27 00 --- 06 59 41 60.7 115.1 -2.2 0.0 158 1067 04 24 01 04 27 00 J0919+3324 06 59 41 58.2 113.9 -2.3 0.0 -21 1067 No stop 04 29 00 =0916+336 07 01 42 58.5 114.5 -2.3 0.0 99 1082 04 27 01 04 29 00 SDSSJ0908+34 07 01 42 60.9 115.8 -2.1 0.0 -22 1082 No stop 04 32 00 --- 07 04 42 61.4 116.7 -2.1 0.0 158 1105 04 29 01 04 32 30 J0919+3324 07 05 12 59.0 115.6 -2.3 0.0 9 1105 04 32 30 04 34 30 =0916+336 07 07 13 59.2 116.2 -2.2 0.0 120 1121 04 32 31 04 34 30 SDSSJ0908+34 07 07 13 61.7 117.5 -2.1 0.0 -22 1121 No stop 04 37 30 --- 07 10 13 62.1 118.5 -2.0 0.0 158 1144 04 34 31 04 37 30 J0919+3324 07 10 13 59.6 117.1 -2.2 0.0 -21 1144 No stop 04 39 30 =0916+336 07 12 13 59.9 117.8 -2.1 0.0 99 1159 04 37 31 04 39 30 SDSSJ0908+34 07 12 13 62.4 119.2 -2.0 0.0 -22 1159 No stop 04 42 30 --- 07 15 14 62.7 120.3 -1.9 0.0 158 1183 04 39 31 04 43 00 J0919+3324 07 15 44 60.4 118.9 -2.1 0.0 9 1183 04 43 00 04 45 00 =0916+336 07 17 44 60.6 119.6 -2.0 0.0 120 1198 04 43 01 04 45 00 SDSSJ0908+34 07 17 44 63.1 121.1 -1.9 0.0 -22 1198 No stop 04 48 00 --- 07 20 45 63.5 122.2 -1.8 0.0 158 1221 04 45 01 Schedule for WSTRBORK (Code Wb ) Page 6 Confirmation of close dual quasars at z=0.6-2.5 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sun 23 Oct 2022 Day 296 --- 04 48 00 J0919+3324 07 20 45 61.0 120.6 -2.0 0.0 -21 1221 No stop 04 50 00 =0916+336 07 22 45 61.3 121.3 -2.0 0.0 99 1237 04 48 01 04 50 00 SDSSJ0908+34 07 22 45 63.7 122.9 -1.8 0.0 -22 1237 No stop 04 53 00 --- 07 25 46 64.1 124.0 -1.7 0.0 158 1260 04 50 01 04 53 30 J0919+3324 07 26 16 61.7 122.5 -1.9 0.0 9 1260 04 53 30 04 55 30 =0916+336 07 28 16 62.0 123.2 -1.9 0.0 120 1275 04 53 31 04 55 30 SDSSJ0908+34 07 28 16 64.4 125.0 -1.7 0.0 -22 1275 No stop 04 58 30 --- 07 31 17 64.8 126.1 -1.7 0.0 158 1298 04 55 31 04 58 30 J0919+3324 07 31 17 62.4 124.3 -1.8 0.0 -21 1298 No stop 05 00 30 =0916+336 07 33 17 62.6 125.0 -1.8 0.0 99 1314 04 58 31 05 00 30 SDSSJ0908+34 07 33 17 65.0 126.9 -1.6 0.0 -22 1314 No stop 05 03 30 --- 07 36 17 65.4 128.1 -1.6 0.0 158 1337 05 00 31 05 04 00 J0919+3324 07 36 48 63.0 126.3 -1.7 0.0 9 1337 05 04 00 05 06 00 =0916+336 07 38 48 63.3 127.0 -1.7 0.0 120 1353 05 04 01 05 06 00 SDSSJ0908+34 07 38 48 65.7 129.1 -1.5 0.0 -22 1353 No stop 05 09 00 --- 07 41 48 66.0 130.4 -1.5 0.0 158 1376 05 06 01 05 09 00 J0919+3324 07 41 48 63.6 128.2 -1.6 0.0 -21 1376 No stop 05 11 00 =0916+336 07 43 49 63.9 129.0 -1.6 0.0 99 1391 05 09 01 05 11 00 SDSSJ0908+34 07 43 49 66.2 131.2 -1.4 0.0 -22 1391 No stop 05 14 00 --- 07 46 49 66.6 132.5 -1.4 0.0 158 1414 05 11 01 05 14 30 J0919+3324 07 47 19 64.3 130.4 -1.6 0.0 9 1414 05 14 30 05 16 30 =0916+336 07 49 20 64.5 131.2 -1.5 0.0 120 1430 05 14 31 05 16 30 SDSSJ0908+34 07 49 20 66.9 133.6 -1.4 0.0 -22 1430 No stop 05 19 30 --- 07 52 20 67.2 135.0 -1.3 0.0 158 1453 05 16 31 05 19 30 J0919+3324 07 52 20 64.9 132.4 -1.5 0.0 -21 1453 No stop 05 21 30 =0916+336 07 54 20 65.1 133.3 -1.4 0.0 99 1469 05 19 31 05 21 30 SDSSJ0908+34 07 54 20 67.4 135.9 -1.3 0.0 -22 1469 No stop 05 24 30 --- 07 57 21 67.7 137.3 -1.2 0.0 158 1492 05 21 31 05 25 00 J0919+3324 07 57 51 65.5 134.8 -1.4 0.0 9 1492 05 25 00 05 27 00 =0916+336 07 59 51 65.7 135.6 -1.3 0.0 120 1507 05 25 01 Schedule for WSTRBORK (Code Wb ) Page 7 Confirmation of close dual quasars at z=0.6-2.5 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sun 23 Oct 2022 Day 296 --- 05 27 00 SDSSJ0908+34 07 59 51 68.0 138.5 -1.2 0.0 -22 1507 No stop 05 30 00 --- 08 02 52 68.3 139.9 -1.1 0.0 158 1530 05 27 01 05 30 00 J0919+3324 08 02 52 66.0 137.0 -1.3 0.0 -21 1530 No stop 05 32 00 =0916+336 08 04 52 66.2 137.9 -1.3 0.0 99 1546 05 30 01 05 32 00 SDSSJ0908+34 08 04 52 68.4 140.9 -1.1 0.0 -22 1546 No stop 05 35 00 --- 08 07 53 68.7 142.4 -1.0 0.0 158 1569 05 32 01 05 35 30 J0919+3324 08 08 23 66.5 139.5 -1.2 0.0 9 1569 05 35 30 05 37 30 =0916+336 08 10 23 66.7 140.4 -1.2 0.0 120 1584 05 35 31 05 37 30 SDSSJ0908+34 08 10 23 69.0 143.7 -1.0 0.0 -22 1584 No stop 05 40 30 --- 08 13 24 69.2 145.3 -0.9 0.0 158 1608 05 37 31 05 40 30 J0919+3324 08 13 24 67.0 141.8 -1.1 0.0 -21 1608 No stop 05 42 30 =0916+336 08 15 24 67.2 142.8 -1.1 0.0 99 1623 05 40 31 05 42 30 SDSSJ0908+34 08 15 24 69.4 146.3 -0.9 0.0 -22 1623 No stop 05 45 30 --- 08 18 24 69.6 147.9 -0.9 0.0 158 1646 05 42 31 05 46 00 J0919+3324 08 18 54 67.5 144.5 -1.0 0.0 9 1646 05 46 00 05 48 00 =0916+336 08 20 55 67.7 145.5 -1.0 0.0 120 1662 05 46 01 05 48 00 SDSSJ0908+34 08 20 55 69.8 149.3 -0.8 0.0 -22 1662 No stop 05 51 00 --- 08 23 55 70.1 151.0 -0.8 0.0 158 1685 05 48 01 05 51 00 J0919+3324 08 23 55 67.9 147.1 -0.9 0.0 -21 1685 No stop 05 53 00 =0916+336 08 25 56 68.1 148.1 -0.9 0.0 99 1700 05 51 01 05 54 00 J0927+3902 08 26 56 72.5 136.7 -1.0 0.0 28 1700 05 54 00 05 59 00 =4C39.25 08 31 57 73.0 139.6 -0.9 0.0 300 1739 05 54 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess322.C2048 --- 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: 9 Station: WSTRBORK Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 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 = A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 3 Setup file default. Used with PCAL = 1MHz LO sum= 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 371.49 371.49 371.49 371.49 435.49 435.49 435.49 435.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 3 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * SDSSJ0908+34 09 05 52.608649 * 09 08 58.280000 09 10 21.618122 0.00 35 03 00.21553 * 34 50 49.16000 34 45 16.31015 0.00 From catalog imbedded in main SCHED input file. 0916+336 09 16 06.251034 * 09 19 08.787129 09 20 30.656481 0.09 * J0919+3324 33 37 22.76481 * 33 24 41.94350 33 18 56.25050 0.14 J0919+33 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 155 observations. 4C39.25 09 23 55.319216 * 09 27 03.013937 09 28 27.129152 0.31 * J0927+3902 39 15 23.56644 * 39 02 20.85185 38 56 23.38957 0.16 0923+392 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0927+39 GSFC 2016a X/S astro solution, 250526 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 SDSSJ0908+3sess322.C2048 1 2 3 4 5 6 7 8 9 10 2.000 76.750 J0919+3324 sess322.C2048 1 2 3 4 5 6 7 8 9 10 1.500 60.879 J0927+3902 sess322.C2048 1 2 3 4 5 6 7 8 9 10 0.250 10.469 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) SDSSJ0908+34 80.7 J0919+3324 78.2 J0927+3902 78.9 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