COVER INFORMATION Station: ZELENCHK (Code Zc ) Experiment: new UCD -6cm Exp. Code: EC077A Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Juan B. Climent Address: Dpto. Astronomia, Univ. Valencia Dr. Moliner 50 E-46100 Burjassot Valencia, Spain Phone: +34 963543078 EMAIL: cliojuan@uv.es Fax: +34 963543084 Phone during observation: +34 963543078, +34629509130 Observing mode: Phase-referencing at 6cm (2048 Mb/s) Notes: Dual Pol Schedule for ZELENCHK (Code Zc ) Page 2 new UCD -6cm 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 12 Jun 2021 Day 163 --- Next scan frequencies: 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 330.49 330.49 330.49 330.49 394.49 394.49 394.49 394.49 458.49 458.49 458.49 458.49 522.49 522.49 522.49 522.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 12 30 00 1123+264 08 40 29 52.1 463.9 -2.8 -51.3 0 0 12 30 00 12 35 00 --- 08 45 30 52.9 465.0 -2.7 -50.9 300 77 12 30 01 12 38 00 J1125+2610 08 48 31 53.5 465.8 -2.6 -50.7 173 77 12 38 00 12 40 00 =1123+264 08 50 31 53.8 466.2 -2.6 -50.5 120 108 12 38 01 12 40 00 EQJ1122+2550 08 50 31 54.1 467.4 -2.6 -49.9 -15 108 No stop 12 44 00 --- 08 54 32 54.8 468.4 -2.5 -49.5 225 169 12 40 01 12 44 00 J1125+2610 08 54 32 54.5 467.2 -2.5 -50.1 -15 169 No stop 12 46 00 =1123+264 08 56 32 54.9 467.7 -2.5 -49.9 105 200 12 44 01 12 46 00 EQJ1122+2550 08 56 32 55.1 468.9 -2.5 -49.3 -15 200 No stop 12 50 00 --- 09 00 33 55.8 470.0 -2.4 -48.9 225 262 12 46 01 12 50 30 J1125+2610 09 01 03 55.6 468.9 -2.4 -49.5 15 262 12 50 30 12 52 30 =1123+264 09 03 03 56.0 469.4 -2.4 -49.3 120 292 12 50 31 12 52 30 EQJ1122+2550 09 03 03 56.3 470.6 -2.3 -48.6 -15 292 No stop 12 56 30 --- 09 07 04 56.9 471.7 -2.3 -48.1 225 354 12 52 31 12 56 30 J1125+2610 09 07 04 56.6 470.5 -2.3 -48.8 -15 354 No stop 12 58 30 =1123+264 09 09 04 57.0 471.0 -2.3 -48.6 105 385 12 56 31 12 58 30 EQJ1122+2550 09 09 04 57.3 472.3 -2.2 -47.9 -15 385 No stop 13 02 30 --- 09 13 05 57.9 473.4 -2.2 -47.3 225 446 12 58 31 13 03 00 J1125+2610 09 13 35 57.7 472.3 -2.2 -48.1 15 446 13 03 00 13 05 00 =1123+264 09 15 35 58.1 472.8 -2.2 -47.8 120 477 13 03 01 13 05 00 EQJ1122+2550 09 15 35 58.3 474.1 -2.1 -47.0 -15 477 No stop 13 09 00 --- 09 19 36 59.0 475.3 -2.1 -46.4 225 538 13 05 01 13 09 00 J1125+2610 09 19 36 58.7 474.0 -2.1 -47.2 -15 538 No stop 13 11 00 =1123+264 09 21 36 59.1 474.6 -2.1 -47.0 105 569 13 09 01 13 11 00 EQJ1122+2550 09 21 36 59.3 475.9 -2.0 -46.1 -16 569 No stop 13 15 00 --- 09 25 37 60.0 477.2 -2.0 -45.5 224 631 13 11 01 Schedule for ZELENCHK (Code Zc ) Page 3 new UCD -6cm 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 12 Jun 2021 Day 163 --- 13 15 30 J1125+2610 09 26 07 59.8 475.9 -2.0 -46.3 15 631 13 15 30 13 17 30 =1123+264 09 28 07 60.1 476.6 -2.0 -46.0 120 662 13 15 31 13 17 30 EQJ1122+2550 09 28 07 60.4 478.0 -1.9 -45.0 -16 662 No stop 13 21 30 --- 09 32 08 61.0 479.3 -1.9 -44.3 224 723 13 17 31 13 21 30 J1125+2610 09 32 08 60.8 477.8 -1.9 -45.3 -16 723 No stop 13 23 30 =1123+264 09 34 08 61.1 478.5 -1.9 -44.9 104 754 13 21 31 13 23 30 EQJ1122+2550 09 34 08 61.3 480.0 -1.8 -44.0 -16 754 No stop 13 27 30 --- 09 38 09 61.9 481.4 -1.8 -43.2 224 815 13 23 31 13 28 00 J1125+2610 09 38 39 61.8 480.0 -1.8 -44.1 14 815 13 28 00 13 30 00 =1123+264 09 40 39 62.1 480.7 -1.8 -43.7 120 846 13 28 01 13 30 00 EQJ1122+2550 09 40 39 62.3 482.2 -1.7 -42.7 -16 846 No stop 13 34 00 --- 09 44 40 62.9 483.7 -1.7 -41.8 224 908 13 30 01 13 34 00 J1125+2610 09 44 40 62.7 482.1 -1.7 -42.9 -16 908 No stop 13 36 00 =1123+264 09 46 40 63.0 482.8 -1.7 -42.5 104 938 13 34 01 13 36 00 EQJ1122+2550 09 46 40 63.2 484.4 -1.6 -41.4 -17 938 No stop 13 40 00 --- 09 50 41 63.8 486.0 -1.6 -40.4 223 1000 13 36 01 13 40 30 J1125+2610 09 51 11 63.7 484.5 -1.6 -41.5 14 1000 13 40 30 13 42 30 =1123+264 09 53 11 64.0 485.3 -1.6 -41.0 120 1031 13 40 31 13 42 30 EQJ1122+2550 09 53 11 64.2 487.0 -1.5 -39.8 -17 1031 No stop 13 46 30 --- 09 57 12 64.8 488.6 -1.4 -38.8 223 1092 13 42 31 13 46 30 J1125+2610 09 57 12 64.6 486.9 -1.5 -40.0 -16 1092 No stop 13 48 30 =1123+264 09 59 12 64.9 487.7 -1.5 -39.5 104 1123 13 46 31 13 48 30 EQJ1122+2550 09 59 12 65.1 489.4 -1.4 -38.2 -17 1123 No stop 13 52 30 --- 10 03 13 65.6 491.1 -1.3 -37.1 223 1185 13 48 31 13 53 00 J1125+2610 10 03 43 65.5 489.6 -1.4 -38.3 13 1185 13 53 00 13 55 00 =1123+264 10 05 43 65.8 490.4 -1.4 -37.7 120 1215 13 53 01 13 55 00 EQJ1122+2550 10 05 43 65.9 492.2 -1.3 -36.4 -17 1215 No stop 13 59 00 --- 10 09 44 66.5 494.0 -1.2 -35.2 223 1277 13 55 01 13 59 00 J1125+2610 10 09 44 66.3 492.2 -1.3 -36.5 -17 1277 No stop 14 01 00 =1123+264 10 11 44 66.6 493.1 -1.3 -35.9 103 1308 13 59 01 Schedule for ZELENCHK (Code Zc ) Page 4 new UCD -6cm 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 12 Jun 2021 Day 163 --- 14 01 00 EQJ1122+2550 10 11 44 66.7 495.0 -1.2 -34.5 -18 1308 No stop 14 05 00 --- 10 15 45 67.2 496.9 -1.1 -33.2 222 1369 14 01 01 14 05 30 J1125+2610 10 16 15 67.2 495.2 -1.2 -34.5 13 1369 14 05 30 14 07 30 =1123+264 10 18 15 67.4 496.2 -1.1 -33.8 120 1400 14 05 31 14 07 30 EQJ1122+2550 10 18 15 67.5 498.1 -1.1 -32.3 -18 1400 No stop 14 11 30 --- 10 22 16 68.0 500.2 -1.0 -30.9 222 1462 14 07 31 14 11 30 J1125+2610 10 22 16 67.9 498.2 -1.1 -32.4 -17 1462 No stop 14 13 30 =1123+264 10 24 16 68.2 499.2 -1.0 -31.7 103 1492 14 11 31 14 13 30 EQJ1122+2550 10 24 16 68.2 501.2 -1.0 -30.1 -18 1492 No stop 14 17 30 --- 10 28 17 68.7 503.4 -0.9 -28.6 222 1554 14 13 31 14 18 00 J1125+2610 10 28 47 68.7 501.6 -1.0 -30.0 13 1554 14 18 00 14 20 00 =1123+264 10 30 47 68.9 502.7 -0.9 -29.2 120 1585 14 18 01 14 20 00 EQJ1122+2550 10 30 47 68.9 504.7 -0.9 -27.6 -18 1585 No stop 14 24 00 --- 10 34 48 69.4 507.0 -0.8 -25.9 222 1646 14 20 01 14 24 00 J1125+2610 10 34 48 69.3 504.9 -0.9 -27.5 -18 1646 No stop 14 26 00 =1123+264 10 36 48 69.6 506.0 -0.8 -26.7 102 1677 14 24 01 14 26 00 EQJ1122+2550 10 36 48 69.5 508.2 -0.8 -25.0 -18 1677 No stop 14 30 00 --- 10 40 49 69.9 510.5 -0.7 -23.2 222 1738 14 26 01 14 30 30 J1125+2610 10 41 19 70.0 508.7 -0.8 -24.7 12 1738 14 30 30 14 32 30 =1123+264 10 43 19 70.2 509.9 -0.7 -23.8 120 1769 14 30 31 14 32 30 EQJ1122+2550 10 43 19 70.1 512.1 -0.7 -22.0 -19 1769 No stop 14 36 30 --- 10 47 20 70.5 514.6 -0.6 -20.1 221 1831 14 32 31 14 36 30 J1125+2610 10 47 20 70.5 512.3 -0.7 -21.9 -18 1831 No stop 14 38 30 =1123+264 10 49 20 70.7 513.6 -0.6 -20.9 102 1862 14 36 31 14 38 30 EQJ1122+2550 10 49 20 70.6 515.8 -0.6 -19.1 -19 1862 No stop 14 42 30 --- 10 53 21 70.9 518.5 -0.5 -17.1 221 1923 14 38 31 14 43 00 J1125+2610 10 53 51 71.0 516.5 -0.6 -18.7 12 1923 14 43 00 14 45 00 =1123+264 10 55 51 71.2 517.8 -0.5 -17.7 120 1954 14 43 01 14 45 00 EQJ1122+2550 10 55 51 71.1 520.1 -0.5 -15.8 -19 1954 No stop 14 49 00 --- 10 59 52 71.3 522.8 -0.4 -13.7 221 2015 14 45 01 Schedule for ZELENCHK (Code Zc ) Page 5 new UCD -6cm 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 12 Jun 2021 Day 163 --- 14 49 00 J1125+2610 10 59 52 71.4 520.5 -0.5 -15.5 -18 2015 No stop 14 51 00 =1123+264 11 01 52 71.6 521.9 -0.4 -14.5 102 2046 14 49 01 14 51 00 EQJ1122+2550 11 01 52 71.4 524.2 -0.4 -12.6 -19 2046 No stop 14 55 00 --- 11 05 53 71.6 527.0 -0.3 -10.4 221 2108 14 51 01 14 55 30 J1125+2610 11 06 23 71.8 525.0 -0.3 -12.0 12 2108 14 55 30 14 57 30 =1123+264 11 08 24 71.9 526.4 -0.3 -10.9 120 2138 14 55 31 14 57 30 EQJ1122+2550 11 08 24 71.7 528.7 -0.3 -9.0 -19 2138 No stop 15 01 30 --- 11 12 24 71.8 531.6 -0.2 -6.7 221 2200 14 57 31 15 01 30 J1125+2610 11 12 24 72.0 529.3 -0.2 -8.6 -18 2200 No stop 15 03 30 =1123+264 11 14 25 72.1 530.8 -0.2 -7.4 102 2231 15 01 31 15 03 30 EQJ1122+2550 11 14 25 71.8 533.0 -0.2 -5.6 -19 2231 No stop 15 07 30 --- 11 18 25 71.9 535.9 -0.1 -3.3 221 2292 15 03 31 15 08 00 J1125+2610 11 18 55 72.2 534.0 -0.1 -4.8 12 2292 15 08 00 15 10 00 =1123+264 11 20 56 72.2 535.5 -0.1 -3.6 120 2323 15 08 01 15 10 00 EQJ1122+2550 11 20 56 71.9 537.7 -0.1 -1.8 -19 2323 No stop 15 14 00 --- 11 24 56 71.9 540.7 0.0 0.5 221 2385 15 10 01 15 14 00 J1125+2610 11 24 56 72.3 538.5 -0.0 -1.2 -18 2385 No stop 15 16 00 =1123+264 11 26 57 72.3 539.9 -0.0 -0.0 102 2415 15 14 01 15 16 00 EQJ1122+2550 11 26 57 71.9 542.1 0.0 1.7 -19 2415 No stop 15 20 00 --- 11 30 57 71.9 545.0 0.1 4.0 221 2477 15 16 01 15 20 30 J1125+2610 11 31 27 72.2 543.3 0.1 2.6 12 2477 15 20 30 15 22 30 =1123+264 11 33 28 72.2 544.7 0.1 3.8 120 2508 15 20 31 15 22 30 EQJ1122+2550 11 33 28 71.8 546.8 0.2 5.5 -18 2508 No stop 15 26 30 --- 11 37 28 71.7 549.7 0.2 7.8 222 2569 15 22 31 15 26 30 J1125+2610 11 37 28 72.1 547.7 0.2 6.2 -17 2569 No stop 15 28 30 =1123+264 11 39 29 72.1 549.1 0.2 7.3 103 2600 15 26 31 15 28 30 EQJ1122+2550 11 39 29 71.7 551.1 0.3 8.9 -18 2600 No stop 15 32 30 --- 11 43 29 71.5 553.9 0.3 11.1 222 2662 15 28 31 15 33 00 J1125+2610 11 43 59 71.9 552.4 0.3 9.9 13 2662 15 33 00 15 35 00 =1123+264 11 46 00 71.9 553.8 0.3 11.1 120 2692 15 33 01 Schedule for ZELENCHK (Code Zc ) Page 6 new UCD -6cm 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 12 Jun 2021 Day 163 --- 15 35 00 EQJ1122+2550 11 46 00 71.4 555.7 0.4 12.5 -18 2692 No stop 15 39 00 --- 11 50 00 71.2 558.4 0.4 14.7 222 2754 15 35 01 15 39 00 J1125+2610 11 50 00 71.7 556.6 0.4 13.3 -16 2754 No stop 15 41 00 =1123+264 11 52 01 71.6 558.0 0.4 14.4 104 2785 15 39 01 15 41 00 EQJ1122+2550 11 52 01 71.1 559.8 0.5 15.7 -17 2785 No stop 15 45 00 --- 11 56 01 70.8 562.4 0.5 17.8 223 2846 15 41 01 15 45 30 J1125+2610 11 56 31 71.3 561.1 0.5 16.8 14 2846 15 45 30 15 47 30 =1123+264 11 58 32 71.2 562.4 0.5 17.8 120 2877 15 45 31 15 47 30 EQJ1122+2550 11 58 32 70.6 564.0 0.6 19.0 -17 2877 No stop 15 51 30 --- 12 02 32 70.3 566.6 0.6 21.0 223 2938 15 47 31 15 51 30 J1125+2610 12 02 32 70.9 565.0 0.6 19.9 -16 2938 No stop 15 53 30 =1123+264 12 04 33 70.7 566.3 0.6 20.9 104 2969 15 51 31 15 53 30 EQJ1122+2550 12 04 33 70.1 567.8 0.7 22.0 -16 2969 No stop 15 57 30 --- 12 08 33 69.8 570.2 0.7 23.8 224 3031 15 53 31 15 58 00 J1125+2610 12 09 03 70.3 569.1 0.7 23.0 15 3031 15 58 00 16 00 00 =1123+264 12 11 04 70.1 570.4 0.7 24.0 120 3062 15 58 01 16 00 00 EQJ1122+2550 12 11 04 69.6 571.7 0.8 24.9 -16 3062 No stop 16 04 00 --- 12 15 04 69.2 574.0 0.9 26.6 224 3123 16 00 01 16 04 00 J1125+2610 12 15 04 69.8 572.7 0.8 25.8 -15 3123 No stop 16 06 00 =1123+264 12 17 05 69.6 573.9 0.8 26.6 105 3154 16 04 01 16 06 00 EQJ1122+2550 12 17 05 69.0 575.2 0.9 27.5 -15 3154 No stop 16 10 00 --- 12 21 05 68.5 577.4 1.0 29.1 225 3215 16 06 01 16 10 30 J1125+2610 12 21 36 69.1 576.4 0.9 28.5 16 3215 16 10 30 16 12 30 =1123+264 12 23 36 68.9 577.5 0.9 29.3 120 3246 16 10 31 16 12 30 EQJ1122+2550 12 23 36 68.3 578.7 1.0 30.1 -15 3246 No stop 16 16 30 --- 12 27 37 67.8 580.8 1.1 31.5 225 3308 16 12 31 16 16 30 J1125+2610 12 27 37 68.4 579.7 1.0 30.9 -14 3308 No stop 16 18 30 =1123+264 12 29 37 68.2 580.7 1.0 31.6 106 3338 16 16 31 16 18 30 EQJ1122+2550 12 29 37 67.6 581.8 1.1 32.3 -14 3338 No stop 16 22 30 --- 12 33 38 67.1 583.7 1.2 33.6 226 3400 16 18 31 Schedule for ZELENCHK (Code Zc ) Page 7 new UCD -6cm 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 12 Jun 2021 Day 163 --- 16 23 00 J1125+2610 12 34 08 67.7 583.0 1.1 33.2 16 3400 16 23 00 16 25 00 =1123+264 12 36 08 67.4 584.0 1.2 33.9 120 3431 16 23 01 16 25 00 EQJ1122+2550 12 36 08 66.8 584.9 1.2 34.5 -14 3431 No stop 16 29 00 --- 12 40 09 66.2 586.8 1.3 35.7 226 3492 16 25 01 16 29 00 J1125+2610 12 40 09 66.9 585.9 1.2 35.2 -13 3492 No stop 16 31 00 =1123+264 12 42 09 66.6 586.8 1.3 35.9 107 3523 16 29 01 16 31 00 EQJ1122+2550 12 42 09 66.0 587.7 1.3 36.3 -14 3523 No stop 16 35 00 --- 12 46 10 65.4 589.4 1.4 37.5 226 3585 16 31 01 16 35 30 J1125+2610 12 46 40 66.0 588.9 1.3 37.2 17 3585 16 35 30 16 37 30 =1123+264 12 48 40 65.8 589.7 1.4 37.8 120 3615 16 35 31 16 37 30 EQJ1122+2550 12 48 40 65.1 590.5 1.4 38.2 -13 3615 No stop 16 41 30 --- 12 52 41 64.5 592.2 1.5 39.3 227 3677 16 37 31 16 41 30 J1125+2610 12 52 41 65.2 591.4 1.4 38.9 -12 3677 No stop 16 43 30 =1123+264 12 54 41 64.9 592.3 1.5 39.5 108 3708 16 41 31 16 43 30 EQJ1122+2550 12 54 41 64.2 593.0 1.5 39.8 -13 3708 No stop 16 47 30 --- 12 58 42 63.6 594.5 1.6 40.7 227 3769 16 43 31 16 48 00 J1125+2610 12 59 12 64.3 594.1 1.5 40.6 18 3769 16 48 00 16 50 00 =1123+264 13 01 12 64.0 594.8 1.6 41.1 120 3800 16 48 01 16 50 00 EQJ1122+2550 13 01 12 63.3 595.5 1.6 41.3 -13 3800 No stop 16 54 00 --- 13 05 13 62.7 597.0 1.7 42.2 227 3862 16 50 01 16 54 00 J1125+2610 13 05 13 63.4 596.4 1.6 42.0 -12 3862 No stop 16 56 00 =1123+264 13 07 13 63.1 597.1 1.7 42.4 108 3892 16 54 01 16 56 00 EQJ1122+2550 13 07 13 62.4 597.7 1.7 42.6 -13 3892 No stop 17 00 00 --- 13 11 14 61.7 599.1 1.8 43.4 227 3954 16 56 01 17 00 30 J1125+2610 13 11 44 62.4 598.7 1.7 43.4 18 3954 17 00 30 17 02 30 =1123+264 13 13 44 62.1 599.4 1.8 43.8 120 3985 17 00 31 17 02 30 EQJ1122+2550 13 13 44 61.4 600.0 1.8 43.9 -13 3985 No stop 17 06 30 --- 13 17 45 60.7 601.3 1.9 44.7 227 4046 17 02 31 17 06 30 J1125+2610 13 17 45 61.4 600.8 1.8 44.5 -12 4046 No stop 17 08 30 =1123+264 13 19 45 61.1 601.5 1.9 44.9 108 4077 17 06 31 Schedule for ZELENCHK (Code Zc ) Page 8 new UCD -6cm 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 12 Jun 2021 Day 163 --- 17 08 30 EQJ1122+2550 13 19 45 60.4 601.9 1.9 45.0 -13 4077 No stop 17 12 30 --- 13 23 46 59.8 603.2 2.0 45.7 227 4138 17 08 31 17 13 00 J1125+2610 13 24 16 60.4 602.9 2.0 45.7 18 4138 17 13 00 17 15 00 =1123+264 13 26 16 60.1 603.5 2.0 46.0 120 4169 17 13 01 17 15 00 EQJ1122+2550 13 26 16 59.4 604.0 2.0 46.1 -13 4169 No stop 17 19 00 --- 13 30 17 58.7 605.2 2.1 46.7 227 4231 17 15 01 17 19 00 J1125+2610 13 30 17 59.4 604.8 2.1 46.6 -12 4231 No stop 17 21 00 =1123+264 13 32 17 59.1 605.4 2.1 46.9 108 4262 17 19 01 17 21 00 EQJ1122+2550 13 32 17 58.4 605.8 2.1 47.0 -13 4262 No stop 17 25 00 --- 13 36 18 57.7 607.0 2.2 47.5 227 4323 17 21 01 17 25 30 J1125+2610 13 36 48 58.3 606.7 2.2 47.6 18 4323 17 25 30 17 27 30 =1123+264 13 38 48 58.0 607.3 2.2 47.8 120 4354 17 25 31 17 27 30 EQJ1122+2550 13 38 48 57.3 607.7 2.2 47.8 -13 4354 No stop 17 31 30 --- 13 42 49 56.6 608.8 2.3 48.3 227 4415 17 27 31 17 31 30 J1125+2610 13 42 49 57.3 608.4 2.3 48.3 -12 4415 No stop 17 33 30 =1123+264 13 44 49 57.0 609.0 2.3 48.6 108 4446 17 31 31 17 33 30 EQJ1122+2550 13 44 49 56.3 609.3 2.3 48.6 -13 4446 No stop 17 37 30 --- 13 48 50 55.6 610.4 2.4 49.0 227 4508 17 33 31 17 38 00 J1125+2610 13 49 20 56.2 610.2 2.4 49.1 17 4508 17 38 00 17 40 00 =1123+264 13 51 20 55.9 610.7 2.4 49.3 120 4538 17 38 01 17 40 00 EQJ1122+2550 13 51 20 55.2 611.0 2.5 49.3 -13 4538 No stop 17 44 00 --- 13 55 21 54.5 612.0 2.5 49.7 227 4600 17 40 01 17 44 00 J1125+2610 13 55 21 55.2 611.7 2.5 49.7 -13 4600 No stop 17 46 00 =1123+264 13 57 21 54.9 612.2 2.5 49.9 107 4631 17 44 01 17 46 00 EQJ1122+2550 13 57 21 54.1 612.5 2.6 49.9 -13 4631 No stop 17 50 00 --- 14 01 22 53.5 613.5 2.6 50.2 227 4692 17 46 01 17 50 30 J1125+2610 14 01 52 54.1 613.4 2.6 50.3 17 4692 17 50 30 17 52 30 =1123+264 14 03 52 53.7 613.8 2.6 50.5 120 4723 17 50 31 17 52 30 EQJ1122+2550 14 03 52 53.0 614.1 2.7 50.4 -13 4723 No stop 17 56 30 --- 14 07 53 52.3 615.1 2.7 50.7 227 4785 17 52 31 Schedule for ZELENCHK (Code Zc ) Page 9 new UCD -6cm 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 12 Jun 2021 Day 163 --- 17 56 30 J1125+2610 14 07 53 53.1 614.8 2.7 50.8 -13 4785 No stop 17 58 30 =1123+264 14 09 53 52.7 615.3 2.7 51.0 107 4815 17 56 31 17 58 30 EQJ1122+2550 14 09 53 52.0 615.5 2.8 50.9 -13 4815 No stop 18 02 30 --- 14 13 54 51.3 616.5 2.8 51.2 227 4877 17 58 31 18 03 00 J1125+2610 14 14 24 51.9 616.3 2.8 51.3 17 4877 18 03 00 18 05 00 =1123+264 14 16 24 51.6 616.8 2.8 51.5 120 4908 18 03 01 18 05 00 EQJ1122+2550 14 16 24 50.8 617.0 2.9 51.3 -13 4908 No stop 18 09 00 --- 14 20 25 50.1 617.9 2.9 51.6 227 4969 18 05 01 18 09 00 J1125+2610 14 20 25 50.9 617.7 2.9 51.7 -13 4969 No stop 18 11 00 =1123+264 14 22 25 50.5 618.1 2.9 51.8 107 5000 18 09 01 18 11 00 EQJ1122+2550 14 22 25 49.8 618.3 3.0 51.7 -13 5000 No stop 18 15 00 --- 14 26 26 49.1 619.2 3.0 51.9 227 5062 18 11 01 18 15 30 J1125+2610 14 26 56 49.7 619.1 3.0 52.1 17 5062 18 15 30 18 17 30 =1123+264 14 28 56 49.3 619.5 3.0 52.2 120 5092 18 15 31 18 17 30 EQJ1122+2550 14 28 56 48.6 619.7 3.1 52.0 -13 5092 No stop 18 21 30 --- 14 32 57 47.9 620.6 3.1 52.2 227 5154 18 17 31 18 21 30 J1125+2610 14 32 57 48.6 620.3 3.1 52.4 -13 5154 No stop 18 23 30 =1123+264 14 34 57 48.3 620.8 3.1 52.5 107 5185 18 21 31 18 23 30 EQJ1122+2550 14 34 57 47.5 621.0 3.2 52.3 -13 5185 No stop 18 27 30 --- 14 38 58 46.8 621.8 3.2 52.5 227 5246 18 23 31 18 28 00 J1125+2610 14 39 28 47.5 621.7 3.2 52.7 17 5246 18 28 00 18 30 00 =1123+264 14 41 28 47.1 622.1 3.2 52.7 120 5277 18 28 01 18 30 00 EQJ1122+2550 14 41 28 46.4 622.3 3.3 52.6 -13 5277 No stop 18 34 00 --- 14 45 29 45.7 623.1 3.4 52.7 227 5338 18 30 01 18 34 00 J1125+2610 14 45 29 46.4 622.9 3.3 52.9 -13 5338 No stop 18 36 00 =1123+264 14 47 29 46.0 623.3 3.3 52.9 107 5369 18 34 01 18 36 00 EQJ1122+2550 14 47 29 45.3 623.5 3.4 52.8 -13 5369 No stop 18 40 00 --- 14 51 30 44.6 624.2 3.5 52.9 227 5431 18 36 01 18 40 30 J1125+2610 14 52 00 45.2 624.1 3.4 53.1 17 5431 18 40 30 18 42 30 =1123+264 14 54 01 44.9 624.5 3.4 53.1 120 5462 18 40 31 Schedule for ZELENCHK (Code Zc ) Page 10 new UCD -6cm 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 12 Jun 2021 Day 163 --- 18 42 30 EQJ1122+2550 14 54 01 44.1 624.7 3.5 52.9 -13 5462 No stop 18 46 30 --- 14 58 01 43.4 625.5 3.6 53.0 227 5523 18 42 31 18 46 30 J1125+2610 14 58 01 44.1 625.3 3.5 53.2 -13 5523 No stop 18 48 30 =1123+264 15 00 01 43.8 625.6 3.6 53.3 107 5554 18 46 31 18 48 30 EQJ1122+2550 15 00 01 43.1 625.8 3.6 53.1 -13 5554 No stop 18 52 30 --- 15 04 02 42.3 626.6 3.7 53.1 227 5615 18 48 31 18 53 00 J1125+2610 15 04 32 43.0 626.5 3.6 53.3 17 5615 18 53 00 18 55 00 =1123+264 15 06 33 42.6 626.8 3.7 53.4 120 5646 18 53 01 18 55 00 EQJ1122+2550 15 06 33 41.9 627.0 3.7 53.2 -13 5646 No stop 18 59 00 --- 15 10 33 41.2 627.8 3.8 53.2 227 5708 18 55 01 18 59 00 J1125+2610 15 10 33 41.9 627.6 3.7 53.4 -13 5708 No stop 19 01 00 =1123+264 15 12 34 41.5 627.9 3.8 53.4 107 5738 18 59 01 19 01 00 EQJ1122+2550 15 12 34 40.8 628.1 3.8 53.2 -13 5738 No stop 19 05 00 --- 15 16 34 40.1 628.8 3.9 53.2 227 5800 19 01 01 19 05 30 J1125+2610 15 17 04 40.7 628.7 3.8 53.5 17 5800 19 05 30 19 07 30 =1123+264 15 19 05 40.4 629.1 3.9 53.5 120 5831 19 05 31 19 07 30 EQJ1122+2550 15 19 05 39.6 629.3 3.9 53.3 -13 5831 No stop 19 11 30 --- 15 23 05 38.9 630.0 4.0 53.3 227 5892 19 07 31 19 11 30 J1125+2610 15 23 05 39.6 629.8 3.9 53.5 -13 5892 No stop 19 13 30 =1123+264 15 25 06 39.3 630.1 4.0 53.5 107 5923 19 11 31 19 13 30 EQJ1122+2550 15 25 06 38.5 630.3 4.0 53.3 -13 5923 No stop 19 17 30 --- 15 29 06 37.8 631.0 4.1 53.2 227 5985 19 13 31 19 18 00 J1125+2610 15 29 36 38.5 630.9 4.0 53.5 17 5985 19 18 00 19 20 00 =1123+264 15 31 37 38.1 631.2 4.1 53.5 120 6015 19 18 01 19 20 00 EQJ1122+2550 15 31 37 37.4 631.4 4.1 53.2 -13 6015 No stop 19 24 00 --- 15 35 37 36.6 632.1 4.2 53.2 227 6077 19 20 01 19 24 00 J1125+2610 15 35 37 37.4 631.9 4.1 53.4 -13 6077 No stop 19 26 00 =1123+264 15 37 38 37.0 632.3 4.2 53.4 107 6108 19 24 01 19 26 00 EQJ1122+2550 15 37 38 36.3 632.4 4.2 53.2 -13 6108 No stop 19 30 00 --- 15 41 38 35.5 633.1 4.3 53.1 227 6169 19 26 01 Schedule for ZELENCHK (Code Zc ) Page 11 new UCD -6cm 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 12 Jun 2021 Day 163 --- 19 30 30 J1125+2610 15 42 08 36.2 633.0 4.3 53.4 17 6169 19 30 30 19 32 30 =1123+264 15 44 09 35.8 633.3 4.3 53.3 120 6200 19 30 31 19 32 30 EQJ1122+2550 15 44 09 35.1 633.5 4.3 53.1 -13 6200 No stop 19 36 30 --- 15 48 09 34.4 634.2 4.4 53.1 227 6262 19 32 31 19 36 30 J1125+2610 15 48 09 35.1 634.0 4.4 53.3 -13 6262 No stop 19 38 30 =1123+264 15 50 10 34.7 634.3 4.4 53.3 107 6292 19 36 31 19 38 30 EQJ1122+2550 15 50 10 34.0 634.5 4.4 53.0 -13 6292 No stop 19 42 30 --- 15 54 10 33.3 635.2 4.5 52.9 227 6354 19 38 31 19 43 00 J1125+2610 15 54 40 33.9 635.1 4.5 53.2 17 6354 19 43 00 19 45 00 =1123+264 15 56 41 33.6 635.4 4.5 53.1 120 6385 19 43 01 19 45 00 EQJ1122+2550 15 56 41 32.8 635.6 4.5 52.9 -13 6385 No stop 19 49 00 --- 16 00 41 32.1 636.2 4.6 52.8 227 6446 19 45 01 19 49 00 J1125+2610 16 00 41 32.9 636.0 4.6 53.0 -13 6446 No stop 19 51 00 =1123+264 16 02 42 32.5 636.4 4.6 53.0 107 6477 19 49 01 19 51 00 EQJ1122+2550 16 02 42 31.8 636.5 4.6 52.8 -13 6477 No stop 19 55 00 --- 16 06 42 31.0 637.2 4.7 52.7 227 6538 19 51 01 19 55 30 J1125+2610 16 07 13 31.7 637.1 4.7 52.9 17 6538 19 55 30 19 57 30 =1123+264 16 09 13 31.3 637.4 4.7 52.8 120 6569 19 55 31 19 57 30 EQJ1122+2550 16 09 13 30.6 637.6 4.8 52.6 -13 6569 No stop 20 01 30 --- 16 13 13 29.9 638.2 4.8 52.5 227 6631 19 57 31 20 01 30 J1125+2610 16 13 13 30.6 638.0 4.8 52.7 -13 6631 No stop 20 03 30 =1123+264 16 15 14 30.3 638.4 4.8 52.7 107 6662 20 01 31 20 03 30 EQJ1122+2550 16 15 14 29.5 638.5 4.9 52.4 -13 6662 No stop 20 07 30 --- 16 19 14 28.8 639.2 4.9 52.3 227 6723 20 03 31 20 08 00 J1125+2610 16 19 45 29.4 639.1 4.9 52.5 17 6723 20 08 00 20 10 00 =1123+264 16 21 45 29.1 639.4 4.9 52.5 120 6754 20 08 01 20 10 00 EQJ1122+2550 16 21 45 28.4 639.6 5.0 52.2 -13 6754 No stop 20 14 00 --- 16 25 46 27.6 640.2 5.0 52.1 227 6815 20 10 01 20 14 00 J1125+2610 16 25 46 28.4 640.0 5.0 52.3 -13 6815 No stop 20 16 00 =1123+264 16 27 46 28.0 640.3 5.0 52.2 107 6846 20 14 01 Schedule for ZELENCHK (Code Zc ) Page 12 new UCD -6cm 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 12 Jun 2021 Day 163 --- 20 16 00 EQJ1122+2550 16 27 46 27.3 640.5 5.1 52.0 -13 6846 No stop 20 20 00 --- 16 31 47 26.6 641.1 5.1 51.8 227 6908 20 16 01 20 20 30 J1125+2610 16 32 17 27.2 641.0 5.1 52.1 17 6908 20 20 30 20 22 30 =1123+264 16 34 17 26.9 641.3 5.1 52.0 120 6938 20 20 31 20 22 30 EQJ1122+2550 16 34 17 26.1 641.5 5.2 51.7 -13 6938 No stop 20 26 30 --- 16 38 18 25.4 642.1 5.2 51.6 227 7000 20 22 31 20 26 30 J1125+2610 16 38 18 26.2 642.0 5.2 51.8 -13 7000 No stop 20 28 30 =1123+264 16 40 18 25.8 642.3 5.2 51.7 107 7031 20 26 31 20 28 30 EQJ1122+2550 16 40 18 25.1 642.4 5.3 51.5 -13 7031 No stop 20 32 30 --- 16 44 19 24.4 643.1 5.3 51.3 227 7092 20 28 31 20 33 00 J1125+2610 16 44 49 25.0 643.0 5.3 51.5 17 7092 20 33 00 20 35 00 =1123+264 16 46 49 24.7 643.3 5.3 51.5 120 7123 20 33 01 20 35 00 EQJ1122+2550 16 46 49 23.9 643.4 5.4 51.2 -13 7123 No stop 20 39 00 --- 16 50 50 23.2 644.1 5.4 51.0 227 7185 20 35 01 20 39 00 J1125+2610 16 50 50 24.0 643.9 5.4 51.3 -13 7185 No stop 20 41 00 =1123+264 16 52 50 23.6 644.2 5.4 51.2 107 7215 20 39 01 20 41 00 EQJ1122+2550 16 52 50 22.9 644.4 5.5 50.9 -13 7215 No stop 20 45 00 --- 16 56 51 22.2 645.0 5.5 50.7 227 7277 20 41 01 20 45 30 J1125+2610 16 57 21 22.8 644.9 5.5 51.0 17 7277 20 45 30 20 47 30 =1123+264 16 59 21 22.5 645.2 5.5 50.8 120 7308 20 45 31 20 47 30 EQJ1122+2550 16 59 21 21.7 645.4 5.6 50.6 -13 7308 No stop 20 51 30 --- 17 03 22 21.0 646.0 5.7 50.4 227 7369 20 47 31 20 51 30 J1125+2610 17 03 22 21.8 645.8 5.6 50.6 -13 7369 No stop 20 53 30 =1123+264 17 05 22 21.4 646.1 5.6 50.5 107 7400 20 51 31 20 53 30 EQJ1122+2550 17 05 22 20.7 646.3 5.7 50.3 -13 7400 No stop 20 57 30 --- 17 09 23 20.0 646.9 5.8 50.1 227 7462 20 53 31 20 58 00 J1125+2610 17 09 53 20.6 646.8 5.7 50.3 17 7462 20 58 00 21 00 00 =1123+264 17 11 53 20.3 647.1 5.7 50.2 120 7492 20 58 01 21 00 00 EQJ1122+2550 17 11 53 19.6 647.3 5.8 49.9 -13 7492 No stop 21 04 00 --- 17 15 54 18.9 647.9 5.9 49.7 227 7554 21 00 01 Schedule for ZELENCHK (Code Zc ) Page 13 new UCD -6cm 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 12 Jun 2021 Day 163 --- 21 04 00 J1125+2610 17 15 54 19.6 647.7 5.8 49.9 -13 7554 No stop 21 06 00 =1123+264 17 17 54 19.3 648.0 5.8 49.8 107 7585 21 04 01 21 06 00 EQJ1122+2550 17 17 54 18.5 648.2 5.9 49.6 -13 7585 No stop 21 10 00 --- 17 21 55 17.8 648.9 6.0 49.3 227 7646 21 06 01 21 10 30 J1125+2610 17 22 25 18.5 648.7 5.9 49.6 17 7646 21 10 30 21 12 30 =1123+264 17 24 25 18.1 649.0 6.0 49.4 120 7677 21 10 31 21 12 30 EQJ1122+2550 17 24 25 17.4 649.2 6.0 49.2 -13 7677 No stop 21 16 30 --- 17 28 26 16.7 649.9 6.1 48.9 227 7738 21 12 31 21 16 30 J1125+2610 17 28 26 17.5 649.7 6.0 49.2 -12 7738 No stop 21 18 30 =1123+264 17 30 26 17.1 650.0 6.1 49.0 108 7769 21 16 31 21 18 30 EQJ1122+2550 17 30 26 16.4 650.2 6.1 48.8 -13 7769 No stop 21 22 30 --- 17 34 27 15.7 650.8 6.2 48.5 227 7831 21 18 31 21 23 00 J1125+2610 17 34 57 16.4 650.7 6.1 48.8 18 7831 21 23 00 21 25 00 =1123+264 17 36 57 16.0 651.0 6.2 48.6 120 7862 21 23 01 21 25 30 1123+264 17 37 27 15.9 651.1 6.2 48.6 24 7862 21 25 30 21 30 00 --- 17 41 58 15.2 651.8 6.2 48.3 270 7931 21 25 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess221.C2048 Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq.dat: kvzr_c Added by Des Small, 24 February 2012 Setup group: 2 Station: ZELENCHK Total bit rate: 2048 Format: MARK5B Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 12 Setup file default. Used with PCAL = off LO sum= 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 330.49 330.49 330.49 330.49 394.49 394.49 394.49 394.49 458.49 458.49 458.49 458.49 522.49 522.49 522.49 522.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 12 13 14 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) * EQJ1122+2550 11 20 15.543304 * 11 22 54.730001 11 24 01.889038 0.00 26 06 49.42045 * 25 50 21.50002 25 43 31.63516 0.00 From catalog imbedded in main SCHED input file. * J1125+2610 11 23 14.869303 * 11 25 53.711923 11 27 00.745970 0.11 * 1123+264 26 26 49.99097 * 26 10 19.97857 26 03 29.35229 0.10 J1125+26 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 2729 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 EQJ1122+255sess221.C2048 1 2 3 4 5 6 7 8 9 10 11 12 5.600 457.623 1123+264 sess221.C2048 1 2 3 4 5 6 7 8 9 10 11 12 2.992 230.332 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) EQJ1122+2550 80.0 J1125+2610 80.5 1123+264 80.5 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