COVER INFORMATION Station: KNOCKIN (Code Kn ) Experiment: Red Nuggests Exp. Code: EH046A Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Dan Hu Address: Masaryk University Kotlarska 2 Brno Czech Republic Phone: +420 608462199 EMAIL: hudan.bazhaoyu@gmail.com Fax: Phone during observation: Observing mode: vlbi Notes: PCAL off, please COVER LETTER: Target: Mrk1216 Primary phase-reference calibrator: J0830-0636 Secondary phase-reference calibrator: J0827-0708 (08:27:06.167617, -07:08:45.89819, J2000) Fringe-finder: 4C39.25 Calibrator for e-MERLIN: 3C286 Note: the secondary p-ref calibrator is not included in the catalogues. Add manually. Schedule for KNOCKIN (Code Kn ) Page 2 Red Nuggests 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 20 Feb 2025 Day 51 --- Next scan frequencies: 1626.49 1626.49 Next BBC frequencies: 645.51 645.51 Next scan bandwidths: 64.00 64.00 18 30 00 J0830-0636 04 21 47 10.6 116.3 -4.2 -33.1 0 0 18 30 00 18 31 00 =0828-064 04 22 47 10.7 116.5 -4.2 -33.0 60 4 18 30 01 18 31 00 J0827-0708 04 22 47 10.8 117.6 -4.1 -32.7 -19 4 No stop 18 34 30 --- 04 26 17 11.2 118.3 -4.0 -32.5 191 17 18 31 01 18 34 30 J0830-0636 04 26 17 11.2 117.2 -4.1 -32.8 -18 17 No stop 18 36 30 =0828-064 04 28 18 11.5 117.6 -4.1 -32.6 102 25 18 34 31 18 40 00 4C39.25 04 31 48 38.9 74.2 -4.9 -48.4 56 25 18 40 00 18 45 00 --- 04 36 49 39.7 75.1 -4.9 -48.7 300 44 18 40 01 18 48 00 J0830-0636 04 39 50 13.0 120.1 -3.9 -31.8 22 44 18 48 00 18 50 00 =0828-064 04 41 50 13.3 120.5 -3.8 -31.6 120 52 18 48 01 18 50 00 MRK1216 04 41 50 13.2 121.2 -3.8 -31.4 -15 52 No stop 18 54 00 --- 04 45 51 13.8 122.0 -3.7 -31.1 225 68 18 50 01 18 54 00 J0830-0636 04 45 51 13.8 121.4 -3.8 -31.3 -14 68 No stop 18 55 30 =0828-064 04 47 21 14.0 121.8 -3.7 -31.2 76 73 18 54 01 18 55 30 MRK1216 04 47 21 13.9 122.4 -3.7 -31.0 -15 73 No stop 18 59 30 --- 04 51 22 14.5 123.3 -3.6 -30.6 225 89 18 55 31 19 00 00 J0830-0636 04 51 52 14.5 122.7 -3.7 -30.8 16 89 19 00 00 19 01 00 =0828-064 04 52 52 14.7 123.0 -3.7 -30.7 60 93 19 00 01 19 01 00 MRK1216 04 52 52 14.6 123.6 -3.6 -30.5 -15 93 No stop 19 05 00 --- 04 56 52 15.2 124.5 -3.6 -30.1 225 108 19 01 01 19 05 00 J0830-0636 04 56 52 15.2 123.9 -3.6 -30.4 -14 108 No stop 19 06 30 =0828-064 04 58 23 15.4 124.2 -3.6 -30.2 76 114 19 05 01 19 06 30 MRK1216 04 58 23 15.3 124.8 -3.5 -30.0 -15 114 No stop 19 10 30 --- 05 02 23 15.8 125.7 -3.5 -29.7 225 129 19 06 31 19 11 00 J0830-0636 05 02 53 15.9 125.2 -3.5 -29.8 16 129 19 11 00 19 12 00 =0828-064 05 03 54 16.1 125.4 -3.5 -29.7 60 133 19 11 01 19 12 00 MRK1216 05 03 54 16.0 126.0 -3.4 -29.5 -15 133 No stop 19 16 00 --- 05 07 54 16.5 127.0 -3.4 -29.1 225 149 19 12 01 Schedule for KNOCKIN (Code Kn ) Page 3 Red Nuggests 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 20 Feb 2025 Day 51 --- 19 16 00 J0830-0636 05 07 54 16.5 126.3 -3.4 -29.4 -14 149 No stop 19 17 30 =0828-064 05 09 24 16.7 126.7 -3.4 -29.2 76 155 19 16 01 19 17 30 MRK1216 05 09 24 16.7 127.3 -3.3 -29.0 -15 155 No stop 19 21 30 --- 05 13 25 17.2 128.2 -3.3 -28.6 225 170 19 17 31 19 22 00 J0830-0636 05 13 55 17.3 127.7 -3.3 -28.8 16 170 19 22 00 19 23 00 =0828-064 05 14 55 17.4 127.9 -3.3 -28.7 60 174 19 22 01 19 23 00 MRK1216 05 14 55 17.3 128.5 -3.3 -28.5 -15 174 No stop 19 27 00 --- 05 18 56 17.8 129.5 -3.2 -28.1 225 189 19 23 01 19 27 00 J0830-0636 05 18 56 17.9 128.8 -3.2 -28.3 -14 189 No stop 19 28 30 =0828-064 05 20 26 18.0 129.2 -3.2 -28.2 76 195 19 27 01 19 28 30 MRK1216 05 20 26 18.0 129.8 -3.2 -27.9 -15 195 No stop 19 32 30 --- 05 24 27 18.5 130.7 -3.1 -27.5 225 211 19 28 31 19 33 00 J0830-0636 05 24 57 18.6 130.2 -3.1 -27.7 16 211 19 33 00 19 34 00 =0828-064 05 25 57 18.7 130.5 -3.1 -27.6 60 214 19 33 01 19 34 00 MRK1216 05 25 57 18.6 131.1 -3.1 -27.3 -15 214 No stop 19 38 00 --- 05 29 58 19.1 132.0 -3.0 -26.9 225 230 19 34 01 19 38 00 J0830-0636 05 29 58 19.1 131.4 -3.0 -27.2 -14 230 No stop 19 39 30 =0828-064 05 31 28 19.3 131.7 -3.0 -27.0 76 236 19 38 01 19 39 30 MRK1216 05 31 28 19.2 132.4 -3.0 -26.7 -15 236 No stop 19 43 30 --- 05 35 29 19.7 133.3 -2.9 -26.3 225 251 19 39 31 19 44 00 J0830-0636 05 35 59 19.8 132.8 -2.9 -26.5 16 251 19 44 00 19 45 00 =0828-064 05 36 59 19.9 133.0 -2.9 -26.4 60 255 19 44 01 19 45 00 MRK1216 05 36 59 19.9 133.7 -2.9 -26.1 -15 255 No stop 19 49 00 --- 05 41 00 20.3 134.6 -2.8 -25.7 225 271 19 45 01 19 49 00 J0830-0636 05 41 00 20.4 134.0 -2.9 -26.0 -14 271 No stop 19 50 30 =0828-064 05 42 30 20.5 134.3 -2.8 -25.8 76 276 19 49 01 19 50 30 MRK1216 05 42 30 20.5 135.0 -2.8 -25.5 -15 276 No stop 19 54 30 --- 05 46 31 20.9 136.0 -2.7 -25.1 225 292 19 50 31 19 55 00 J0830-0636 05 47 01 21.0 135.4 -2.8 -25.3 16 292 19 55 00 19 56 00 =0828-064 05 48 01 21.1 135.7 -2.7 -25.2 60 296 19 55 01 Schedule for KNOCKIN (Code Kn ) Page 4 Red Nuggests 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 20 Feb 2025 Day 51 --- 19 56 00 MRK1216 05 48 01 21.0 136.3 -2.7 -24.9 -15 296 No stop 20 00 00 --- 05 52 01 21.5 137.3 -2.6 -24.4 225 311 19 56 01 20 00 00 J0830-0636 05 52 01 21.5 136.6 -2.7 -24.7 -14 311 No stop 20 01 30 =0828-064 05 53 32 21.7 137.0 -2.6 -24.5 76 317 20 00 01 20 01 30 MRK1216 05 53 32 21.6 137.7 -2.6 -24.2 -15 317 No stop 20 05 30 --- 05 57 32 22.0 138.6 -2.5 -23.7 225 332 20 01 31 20 06 00 J0830-0636 05 58 02 22.2 138.1 -2.6 -24.0 16 332 20 06 00 20 07 00 =0828-064 05 59 03 22.3 138.4 -2.6 -23.9 60 336 20 06 01 20 07 00 MRK1216 05 59 03 22.2 139.0 -2.5 -23.6 -15 336 No stop 20 11 00 --- 06 03 03 22.6 140.0 -2.4 -23.1 225 352 20 07 01 20 11 00 J0830-0636 06 03 03 22.7 139.3 -2.5 -23.4 -14 352 No stop 20 12 30 =0828-064 06 04 34 22.8 139.7 -2.5 -23.2 76 357 20 11 01 20 12 30 MRK1216 06 04 34 22.7 140.4 -2.4 -22.9 -15 357 No stop 20 16 30 --- 06 08 34 23.1 141.4 -2.4 -22.4 225 373 20 12 31 20 17 00 J0830-0636 06 09 04 23.2 140.8 -2.4 -22.6 16 373 20 17 00 20 18 00 =0828-064 06 10 04 23.3 141.1 -2.4 -22.5 60 377 20 17 01 20 18 00 J0830-0636 06 10 04 23.3 141.1 -2.4 -22.5 -2 377 No stop 20 19 30 =0828-064 06 11 35 23.5 141.5 -2.3 -22.3 88 383 20 18 01 20 19 30 J0827-0708 06 11 35 23.3 142.6 -2.3 -21.7 -20 383 No stop 20 23 00 --- 06 15 05 23.6 143.5 -2.2 -21.3 190 396 20 19 31 20 23 00 J0830-0636 06 15 05 23.8 142.3 -2.3 -21.8 -18 396 No stop 20 24 30 =0828-064 06 16 36 23.9 142.7 -2.3 -21.6 72 402 20 23 01 20 28 00 4C39.25 06 20 06 55.1 94.2 -3.1 -50.8 41 402 20 28 00 20 33 00 --- 06 25 07 55.9 95.2 -3.1 -50.7 300 421 20 28 01 20 35 00 3C286 06 27 07 14.9 58.9 -7.1 -36.9 -26 421 20 35 00 20 38 00 --- 06 30 08 15.2 59.5 -7.0 -37.1 154 433 20 35 01 20 43 00 J0830-0636 06 35 09 25.6 147.5 -1.9 -19.1 13 433 20 43 00 20 44 30 =0828-064 06 36 39 25.7 147.9 -1.9 -18.9 90 439 20 43 01 20 44 30 MRK1216 06 36 39 25.5 148.5 -1.9 -18.6 -15 439 No stop 20 48 30 --- 06 40 39 25.8 149.6 -1.8 -18.0 225 454 20 44 31 Schedule for KNOCKIN (Code Kn ) Page 5 Red Nuggests 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 20 Feb 2025 Day 51 --- 20 48 30 J0830-0636 06 40 39 26.0 148.9 -1.9 -18.3 -14 454 No stop 20 50 00 =0828-064 06 42 10 26.1 149.3 -1.8 -18.1 76 460 20 48 31 20 50 00 MRK1216 06 42 10 25.9 150.0 -1.8 -17.8 -15 460 No stop 20 54 00 --- 06 46 10 26.2 151.0 -1.7 -17.2 225 475 20 50 01 20 54 30 J0830-0636 06 46 40 26.4 150.5 -1.8 -17.4 16 475 20 54 30 20 55 30 =0828-064 06 47 41 26.5 150.8 -1.7 -17.3 60 479 20 54 31 20 55 30 MRK1216 06 47 41 26.4 151.4 -1.7 -16.9 -15 479 No stop 20 59 30 --- 06 51 41 26.6 152.5 -1.6 -16.4 225 495 20 55 31 20 59 30 J0830-0636 06 51 41 26.8 151.8 -1.7 -16.7 -14 495 No stop 21 01 00 =0828-064 06 53 12 26.9 152.2 -1.6 -16.5 76 500 20 59 31 21 01 00 MRK1216 06 53 12 26.7 152.9 -1.6 -16.1 -15 500 No stop 21 05 00 --- 06 57 12 27.0 154.0 -1.5 -15.5 225 516 21 01 01 21 05 30 J0830-0636 06 57 42 27.2 153.4 -1.6 -15.8 16 516 21 05 30 21 06 30 =0828-064 06 58 42 27.3 153.7 -1.6 -15.6 60 520 21 05 31 21 06 30 MRK1216 06 58 42 27.1 154.4 -1.5 -15.3 -15 520 No stop 21 10 30 --- 07 02 43 27.4 155.4 -1.5 -14.7 225 535 21 06 31 21 10 30 J0830-0636 07 02 43 27.6 154.8 -1.5 -15.0 -14 535 No stop 21 12 00 =0828-064 07 04 13 27.7 155.2 -1.5 -14.8 76 541 21 10 31 21 12 00 MRK1216 07 04 13 27.5 155.9 -1.4 -14.4 -15 541 No stop 21 16 00 --- 07 08 14 27.7 156.9 -1.4 -13.8 225 556 21 12 01 21 16 30 J0830-0636 07 08 44 27.9 156.4 -1.4 -14.1 16 556 21 16 30 21 17 30 =0828-064 07 09 44 28.0 156.7 -1.4 -13.9 60 560 21 16 31 21 17 30 MRK1216 07 09 44 27.8 157.3 -1.3 -13.6 -15 560 No stop 21 21 30 --- 07 13 45 28.0 158.4 -1.3 -12.9 225 576 21 17 31 21 21 30 J0830-0636 07 13 45 28.2 157.8 -1.3 -13.3 -14 576 No stop 21 23 00 =0828-064 07 15 15 28.3 158.2 -1.3 -13.1 76 582 21 21 31 21 23 00 MRK1216 07 15 15 28.1 158.9 -1.2 -12.7 -15 582 No stop 21 27 00 --- 07 19 16 28.3 160.0 -1.2 -12.1 225 597 21 23 01 21 27 30 J0830-0636 07 19 46 28.6 159.5 -1.2 -12.3 16 597 21 27 30 21 28 30 =0828-064 07 20 46 28.6 159.7 -1.2 -12.2 60 601 21 27 31 Schedule for KNOCKIN (Code Kn ) Page 6 Red Nuggests 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 20 Feb 2025 Day 51 --- 21 28 30 MRK1216 07 20 46 28.4 160.4 -1.2 -11.8 -15 601 No stop 21 32 30 --- 07 24 47 28.6 161.5 -1.1 -11.2 225 616 21 28 31 21 32 30 J0830-0636 07 24 47 28.8 160.8 -1.1 -11.5 -14 616 No stop 21 34 00 =0828-064 07 26 17 28.9 161.3 -1.1 -11.3 76 622 21 32 31 21 34 00 MRK1216 07 26 17 28.7 161.9 -1.1 -10.9 -15 622 No stop 21 38 00 --- 07 30 18 28.8 163.0 -1.0 -10.3 225 638 21 34 01 21 38 30 J0830-0636 07 30 48 29.1 162.5 -1.0 -10.5 16 638 21 38 30 21 39 30 =0828-064 07 31 48 29.2 162.8 -1.0 -10.4 60 642 21 38 31 21 39 30 MRK1216 07 31 48 28.9 163.4 -1.0 -10.0 -15 642 No stop 21 43 30 --- 07 35 48 29.1 164.6 -0.9 -9.3 225 657 21 39 31 21 43 30 J0830-0636 07 35 48 29.3 163.9 -0.9 -9.7 -14 657 No stop 21 45 00 =0828-064 07 37 19 29.4 164.3 -0.9 -9.5 76 663 21 43 31 21 45 00 MRK1216 07 37 19 29.1 165.0 -0.9 -9.1 -15 663 No stop 21 49 00 --- 07 41 19 29.3 166.1 -0.8 -8.4 225 678 21 45 01 21 49 30 J0830-0636 07 41 49 29.6 165.6 -0.8 -8.7 16 678 21 49 30 21 50 30 =0828-064 07 42 50 29.6 165.9 -0.8 -8.5 60 682 21 49 31 21 50 30 MRK1216 07 42 50 29.3 166.5 -0.8 -8.2 -15 682 No stop 21 54 30 --- 07 46 50 29.5 167.7 -0.7 -7.5 225 698 21 50 31 21 54 30 J0830-0636 07 46 50 29.7 167.0 -0.8 -7.9 -14 698 No stop 21 56 00 =0828-064 07 48 21 29.8 167.5 -0.7 -7.6 76 703 21 54 31 21 56 00 MRK1216 07 48 21 29.5 168.1 -0.7 -7.2 -15 703 No stop 22 00 00 --- 07 52 21 29.6 169.2 -0.6 -6.5 225 719 21 56 01 22 00 30 J0830-0636 07 52 51 29.9 168.7 -0.7 -6.8 16 719 22 00 30 22 01 30 =0828-064 07 53 51 30.0 169.0 -0.6 -6.7 60 723 22 00 31 22 01 30 MRK1216 07 53 51 29.7 169.7 -0.6 -6.3 -15 723 No stop 22 05 30 --- 07 57 52 29.8 170.8 -0.5 -5.6 225 738 22 01 31 22 05 30 J0830-0636 07 57 52 30.1 170.2 -0.6 -6.0 -14 738 No stop 22 07 00 =0828-064 07 59 22 30.1 170.6 -0.5 -5.7 76 744 22 05 31 22 07 00 MRK1216 07 59 22 29.8 171.2 -0.5 -5.3 -15 744 No stop 22 11 00 --- 08 03 23 29.9 172.4 -0.4 -4.6 225 759 22 07 01 Schedule for KNOCKIN (Code Kn ) Page 7 Red Nuggests 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 20 Feb 2025 Day 51 --- 22 11 30 J0830-0636 08 03 53 30.2 171.9 -0.5 -4.9 16 759 22 11 30 22 12 30 =0828-064 08 04 53 30.2 172.2 -0.5 -4.8 60 763 22 11 31 22 12 30 J0830-0636 08 04 53 30.2 172.2 -0.5 -4.8 -2 763 No stop 22 14 00 =0828-064 08 06 23 30.3 172.6 -0.4 -4.5 88 769 22 12 31 22 14 00 J0827-0708 08 06 23 29.8 173.7 -0.4 -3.8 -19 769 No stop 22 17 30 --- 08 09 54 29.9 174.7 -0.3 -3.2 191 783 22 14 01 22 17 30 J0830-0636 08 09 54 30.3 173.6 -0.4 -3.9 -18 783 No stop 22 19 00 =0828-064 08 11 24 30.4 174.0 -0.3 -3.6 72 788 22 17 31 22 22 30 4C39.25 08 14 55 71.2 130.2 -1.2 -36.4 54 788 22 22 30 22 27 30 --- 08 19 56 71.8 132.7 -1.1 -34.9 300 808 22 22 31 22 29 30 3C286 08 21 56 31.0 79.4 -5.2 -43.5 -62 808 22 29 30 22 32 30 --- 08 24 57 31.4 79.9 -5.1 -43.6 118 819 22 29 31 22 37 30 J0830-0636 08 29 57 30.5 179.4 -0.0 -0.4 -22 819 22 37 30 22 39 00 =0828-064 08 31 28 30.5 179.8 -0.0 -0.1 68 825 22 37 31 22 39 00 MRK1216 08 31 28 30.2 180.4 0.0 0.2 -15 825 No stop 22 43 30 --- 08 35 58 30.2 181.7 0.1 1.0 255 842 22 39 01 22 43 30 J0830-0636 08 35 58 30.5 181.1 0.1 0.7 -13 842 No stop 22 45 00 =0828-064 08 37 29 30.5 181.6 0.1 0.9 77 848 22 43 31 22 45 00 MRK1216 08 37 29 30.2 182.1 0.1 1.3 -15 848 No stop 22 49 00 --- 08 41 29 30.1 183.3 0.2 2.0 225 864 22 45 01 22 49 30 J0830-0636 08 41 59 30.5 182.9 0.2 1.7 17 864 22 49 30 22 50 30 =0828-064 08 42 59 30.5 183.1 0.2 1.9 60 868 22 49 31 22 50 30 MRK1216 08 42 59 30.1 183.7 0.2 2.3 -15 868 No stop 22 55 00 --- 08 47 30 30.1 185.0 0.3 3.0 255 885 22 50 31 22 55 00 J0830-0636 08 47 30 30.4 184.4 0.3 2.7 -13 885 No stop 22 56 30 =0828-064 08 49 00 30.4 184.9 0.3 3.0 77 891 22 55 01 22 56 30 MRK1216 08 49 00 30.0 185.4 0.3 3.3 -14 891 No stop 23 00 30 --- 08 53 01 30.0 186.6 0.4 4.0 226 906 22 56 31 23 01 00 J0830-0636 08 53 31 30.3 186.2 0.4 3.8 17 906 23 01 00 23 02 00 =0828-064 08 54 31 30.3 186.5 0.4 3.9 60 910 23 01 01 Schedule for KNOCKIN (Code Kn ) Page 8 Red Nuggests 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 20 Feb 2025 Day 51 --- 23 02 00 MRK1216 08 54 31 30.0 187.0 0.4 4.3 -14 910 No stop 23 06 30 --- 08 59 02 29.9 188.3 0.5 5.0 256 927 23 02 01 23 06 30 J0830-0636 08 59 02 30.2 187.8 0.4 4.7 -13 927 No stop 23 08 00 =0828-064 09 00 32 30.2 188.2 0.5 5.0 77 933 23 06 31 23 08 00 MRK1216 09 00 32 29.8 188.7 0.5 5.3 -14 933 No stop 23 12 00 --- 09 04 33 29.7 189.9 0.6 6.0 226 949 23 08 01 23 12 30 J0830-0636 09 05 03 30.1 189.5 0.5 5.8 17 949 23 12 30 23 13 30 =0828-064 09 06 03 30.1 189.8 0.6 5.9 60 953 23 12 31 23 13 30 MRK1216 09 06 03 29.7 190.3 0.6 6.3 -14 953 No stop 23 18 00 --- 09 10 34 29.6 191.6 0.7 7.0 256 970 23 13 31 23 18 00 J0830-0636 09 10 34 30.0 191.0 0.6 6.7 -13 970 No stop 23 19 30 =0828-064 09 12 04 29.9 191.5 0.7 7.0 77 976 23 18 01 23 19 30 MRK1216 09 12 04 29.5 192.0 0.7 7.3 -14 976 No stop 23 23 30 --- 09 16 05 29.4 193.1 0.8 8.0 226 991 23 19 31 23 24 00 J0830-0636 09 16 35 29.8 192.8 0.7 7.7 17 991 23 24 00 23 25 00 =0828-064 09 17 35 29.7 193.0 0.8 7.9 60 995 23 24 01 23 25 00 MRK1216 09 17 35 29.3 193.6 0.8 8.2 -14 995 No stop 23 29 30 --- 09 22 06 29.2 194.8 0.9 9.0 256 1013 23 25 01 23 29 30 J0830-0636 09 22 06 29.6 194.3 0.8 8.7 -13 1013 No stop 23 31 00 =0828-064 09 23 36 29.5 194.7 0.9 8.9 77 1018 23 29 31 23 31 00 MRK1216 09 23 36 29.1 195.3 0.9 9.2 -14 1018 No stop 23 35 00 --- 09 27 37 28.9 196.4 1.0 9.9 226 1034 23 31 01 23 35 30 J0830-0636 09 28 07 29.3 196.0 0.9 9.7 17 1034 23 35 30 23 36 30 =0828-064 09 29 07 29.3 196.3 1.0 9.8 60 1038 23 35 31 23 36 30 MRK1216 09 29 07 28.9 196.8 1.0 10.1 -14 1038 No stop 23 41 00 --- 09 33 38 28.7 198.1 1.1 10.9 256 1055 23 36 31 23 41 00 J0830-0636 09 33 38 29.1 197.6 1.0 10.6 -13 1055 No stop 23 42 30 =0828-064 09 35 08 29.0 198.0 1.1 10.8 77 1061 23 41 01 23 42 30 MRK1216 09 35 08 28.6 198.5 1.1 11.1 -14 1061 No stop 23 46 30 --- 09 39 09 28.4 199.6 1.2 11.8 226 1076 23 42 31 Schedule for KNOCKIN (Code Kn ) Page 9 Red Nuggests 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 20 Feb 2025 Day 51 --- 23 47 00 J0830-0636 09 39 39 28.8 199.2 1.1 11.6 17 1076 23 47 00 23 48 00 =0828-064 09 40 39 28.8 199.5 1.1 11.7 60 1080 23 47 01 23 48 00 MRK1216 09 40 39 28.3 200.0 1.2 12.0 -14 1080 No stop 23 52 30 --- 09 45 10 28.1 201.2 1.3 12.7 256 1098 23 48 01 23 52 30 J0830-0636 09 45 10 28.5 200.8 1.2 12.5 -12 1098 No stop 23 54 00 =0828-064 09 46 40 28.4 201.2 1.2 12.7 78 1103 23 52 31 23 54 00 MRK1216 09 46 40 28.0 201.6 1.3 13.0 -13 1103 No stop 23 58 00 --- 09 50 41 27.8 202.7 1.3 13.6 227 1119 23 54 01 23 58 30 J0830-0636 09 51 11 28.2 202.4 1.3 13.4 18 1119 23 58 30 23 59 30 =0828-064 09 52 11 28.1 202.7 1.3 13.6 60 1123 23 58 31 --- Start: Thu 20 Feb 2025 Day 51 -- Stop: Fri 21 Feb 2025 Day 52 --- 23 59 30 MRK1216 09 52 11 27.7 203.2 1.4 13.9 -13 1123 No stop 00 04 00 --- 09 56 42 27.4 204.4 1.4 14.6 257 1140 23 59 31 00 04 00 J0830-0636 09 56 42 27.9 203.9 1.4 14.3 -12 1140 No stop 00 05 30 =0828-064 09 58 12 27.8 204.3 1.4 14.5 78 1146 00 04 01 00 05 30 MRK1216 09 58 12 27.3 204.8 1.5 14.8 -13 1146 No stop 00 09 30 --- 10 02 12 27.1 205.9 1.5 15.4 227 1161 00 05 31 00 10 00 J0830-0636 10 02 43 27.5 205.5 1.5 15.2 17 1161 00 10 00 00 11 00 =0828-064 10 03 43 27.4 205.8 1.5 15.4 60 1165 00 10 01 00 11 00 MRK1216 10 03 43 27.0 206.3 1.6 15.6 -13 1165 No stop 00 15 30 --- 10 08 13 26.7 207.5 1.6 16.3 257 1183 00 11 01 00 15 30 J0830-0636 10 08 13 27.1 207.0 1.6 16.1 -13 1183 No stop 00 17 00 =0828-064 10 09 44 27.0 207.4 1.6 16.3 77 1188 00 15 31 00 17 00 MRK1216 10 09 44 26.5 207.9 1.7 16.6 -13 1188 No stop 00 21 00 --- 10 13 44 26.3 208.9 1.7 17.1 227 1204 00 17 01 00 21 30 J0830-0636 10 14 14 26.7 208.6 1.7 17.0 17 1204 00 21 30 00 22 30 =0828-064 10 15 15 26.6 208.9 1.7 17.1 60 1208 00 21 31 00 25 30 4C39.25 10 18 15 73.7 216.6 0.8 27.6 16 1208 00 25 30 00 30 00 --- 10 22 46 73.3 219.3 0.9 29.5 270 1225 00 25 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess125.L1024 --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 12 Station: KNOCKIN Total bit rate: 512 Format: VDIF Bits per sample: 2 Sample rate:128.000 Number of channels: 2 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 2272.00 2272.00 Net SB= U U IF SB = L L Pol. = RCP LCP BBC = 1 9 BBC SB= L L IF = A1 B1 The following frequency sets based on these setups were used. Frequency Set: 10 Setup file default. Used with PCAL = off LO sum= 1626.49 1626.49 BBC fr= 645.51 645.51 Bandwd= 64.00 64.00 Matching frequency sets: 10 11 12 13 14 Track assignments are: track1= 1, 2 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * MRK1216 08 26 19.790511 * 08 28 47.110000 08 30 02.379772 0.00 -06 46 22.96081 *-06 56 24.50000 -07 01 31.12857 0.00 From catalog imbedded in main SCHED input file. * J0827-0708 08 24 39.080163 * 08 27 06.167617 08 28 21.317220 0.00 -06 58 50.25170 *-07 08 45.89819 -07 13 49.57150 0.00 From catalog imbedded in main SCHED input file. 0828-064 08 28 22.066150 * 08 30 49.744063 08 32 05.198449 0.16 * J0830-0636 -06 26 11.33893 *-06 36 19.99111 -06 41 30.18078 0.36 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 82 observations. * 4C39.25 09 23 55.319216 * 09 27 03.013937 09 28 39.211077 0.31 J0927+3902 39 15 23.56644 * 39 02 20.85185 38 55 45.33705 0.16 0923+392 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0927+39 GSFC 2016a X/S astro solution, 250526 observations. * 3C286 13 28 49.657769 * 13 31 08.288061 13 32 19.199008 0.17 J1331+3030 30 45 58.64066 * 30 30 32.95930 30 22 30.66870 0.16 1328+307 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J1331+30 GSFC 2016a X/S astro solution, 269 observations. SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline MRK1216 sess125.L1024 1 2 3 4 5 6 7 8 9 10 3.408 229.607 J0827-0708 sess125.L1024 1 2 3 4 5 6 7 8 9 10 0.175 12.310 J0830-0636 sess125.L1024 1 2 3 4 5 6 7 8 9 10 1.275 78.493 4C39.25 sess125.L1024 1 2 3 4 5 6 7 8 9 10 0.325 25.522 3C286 sess125.L1024 10 0.100 0.746 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) MRK1216 147.9 J0827-0708 147.4 J0830-0636 148.5 4C39.25 149.6 3C286 130.8 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