COVER INFORMATION Station: NOTO (Code Nt ) Experiment: Resolving the mystery of large VLBI-Gaia offsets Exp. Code: ek046d Schedule Version: 1.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Yuri Kovalev Address: Lebedev Physical Institute Profsoyuznaya 84/32 Moscow 117997 Russia Phone: +7 (495) 3332167 EMAIL: yyk@asc.rssi.ru Fax: +7 (495) 3332378 Phone during observation: +7 (915) 1546281 Observing mode: continuum Notes: Schedule for NOTO (Code Nt ) Page 2 Resolving the mystery of large VLBI-Gaia offsets 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 ---------------------------------------------------------------------------------------- --- Tue 5 Nov 2019 Day 309 --- Next scan frequencies: 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 Next BBC frequencies: 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 21 00 00 J0153+7115 00 59 10 54.8 7.7 -0.9 -160.4 0 0 21 00 00 21 03 27 =0149+710 01 02 38 54.9 7.2 -0.9 -161.6 207 27 21 00 01 21 08 40 J0824+5552 01 07 51 20.2 34.3 -7.3 -53.4 240 27 21 08 40 21 12 07 =0820+560 01 11 19 20.6 34.6 -7.2 -54.0 207 53 21 08 41 21 12 43 J0854+5757 01 11 55 18.7 30.3 -7.7 -49.4 28 53 21 12 43 21 16 10 =0850+581 01 15 22 19.1 30.6 -7.7 -50.0 207 80 21 12 44 21 18 01 J1010+8250 01 17 14 31.7 6.1 -8.9 -42.6 75 80 21 18 01 21 21 28 =1003+830 01 20 41 31.8 6.2 -8.9 -43.5 207 107 21 18 02 21 23 45 J1436+6336 01 22 59 11.5 -8.3 10.8 15.0 95 107 21 23 45 21 27 12 =1435+638 01 26 26 11.4 -7.9 10.8 14.3 207 133 21 23 46 21 28 33 J1624+5741 01 27 48 11.6 -22.4 9.1 34.7 59 133 21 28 33 21 32 00 =1623+578 01 31 15 11.3 -22.0 9.1 34.1 207 160 21 28 34 21 32 37 J1638+5720 01 31 52 12.0 -23.7 8.9 36.5 32 160 21 32 37 21 36 04 =1637+574 01 35 20 11.8 -23.3 8.9 35.9 207 187 21 32 38 21 36 59 J1658+4737 01 36 15 5.8 -31.6 8.6 H 38.4 41 187 21 36 59 21 40 26 =1656+477 01 39 42 5.4 -31.1 8.7 H 37.8 0 213 21 37 00 21 42 52 J1927+7358 01 42 09 34.2 -19.4 6.2 74.9 86 213 21 42 52 21 46 19 =1928+738 01 45 37 34.0 -19.3 6.3 74.1 207 240 21 42 53 21 48 12 J2031+5455 01 47 30 35.5 -43.7 5.3 74.5 77 240 21 48 12 21 51 39 =2030+547 01 50 57 35.0 -43.6 5.3 73.9 207 267 21 48 13 22 00 03 J0741+3112 01 59 23 21.2 66.2 -5.7 -58.8 350 267 22 00 03 22 03 30 =0738+313 02 02 51 21.8 66.6 -5.7 -59.1 207 293 22 00 04 22 03 50 J0745+3142 02 03 10 21.3 65.7 -5.7 -58.9 16 293 22 03 50 22 07 17 =0742+318 02 06 38 21.9 66.1 -5.7 -59.2 207 320 22 03 51 22 08 05 J0815+3635 02 07 26 19.3 58.3 -6.2 -57.9 35 320 22 08 05 22 11 32 =0812+367 02 10 54 19.9 58.7 -6.1 -58.3 207 347 22 08 06 Schedule for NOTO (Code Nt ) Page 3 Resolving the mystery of large VLBI-Gaia offsets 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 ---------------------------------------------------------------------------------------- --- Tue 5 Nov 2019 Day 309 --- 22 19 16 J2031+5455 02 18 39 31.3 -42.1 5.8 69.1 321 347 22 19 16 22 22 43 =2030+547 02 22 06 30.8 -41.9 5.8 68.5 207 373 22 19 17 22 32 06 J0741+3112 02 31 32 27.1 70.0 -5.2 -61.4 407 373 22 32 06 22 35 33 =0738+313 02 34 59 27.8 70.4 -5.1 -61.7 207 400 22 32 07 22 35 53 J0745+3142 02 35 18 27.2 69.4 -5.2 -61.6 16 400 22 35 53 22 39 20 =0742+318 02 38 46 27.9 69.8 -5.1 -61.9 207 427 22 35 54 22 40 09 J0815+3635 02 39 35 24.9 61.8 -5.6 -61.4 36 427 22 40 09 22 43 36 =0812+367 02 43 03 25.5 62.2 -5.6 -61.7 207 453 22 40 10 22 49 15 J0153+7115 02 48 43 54.8 -7.4 0.9 161.2 241 453 22 49 15 22 52 42 =0149+710 02 52 10 54.7 -7.8 1.0 160.0 207 480 22 49 16 22 57 13 J0824+5552 02 56 42 33.8 42.1 -5.5 -72.5 199 480 22 57 13 23 00 40 =0820+560 03 00 09 34.2 42.2 -5.4 -73.1 207 507 22 57 14 23 01 16 J0854+5757 03 00 46 31.1 38.4 -5.9 -69.1 29 507 23 01 16 23 04 43 =0850+581 03 04 14 31.5 38.6 -5.9 -69.7 207 533 23 01 17 23 06 41 J1010+8250 03 06 11 34.5 8.5 -7.1 -68.4 73 533 23 06 41 23 10 08 =1003+830 03 09 39 34.6 8.5 -7.1 -69.3 207 560 23 06 42 23 12 29 J1148+5254 03 12 01 9.8 28.3 -8.6 -38.8 89 560 23 12 29 23 15 56 =1146+531 03 15 28 10.1 28.7 -8.6 -39.4 207 587 23 12 30 23 16 38 J1217+5835 03 16 11 12.3 22.0 -9.0 -35.0 31 587 23 16 38 23 20 05 =1214+588 03 19 38 12.6 22.4 -9.0 -35.7 207 613 23 16 39 23 21 36 J1436+6336 03 21 09 10.8 5.0-11.3 -8.9 64 613 23 21 36 23 25 03 =1435+638 03 24 37 10.8 5.4-11.2 -9.6 207 640 23 21 37 23 27 48 J1927+7358 03 27 22 27.8 -15.6 8.0 51.6 128 640 23 27 48 23 31 15 =1928+738 03 30 50 27.6 -15.5 8.1 50.8 207 667 23 27 49 23 33 20 J2031+5455 03 32 55 21.8 -36.6 7.0 56.3 93 667 23 33 20 23 36 47 =2030+547 03 36 23 21.4 -36.3 7.1 55.7 207 693 23 33 21 23 42 34 J0741+3112 03 42 11 40.7 78.0 -4.0 -66.1 186 693 23 42 34 23 46 01 =0738+313 03 45 38 41.4 78.4 -3.9 -66.3 207 720 23 42 35 23 46 29 J0745+3142 03 46 06 40.8 77.3 -4.0 -66.5 24 720 23 46 29 23 49 56 =0742+318 03 49 34 41.5 77.7 -4.0 -66.7 207 747 23 46 30 Schedule for NOTO (Code Nt ) Page 4 Resolving the mystery of large VLBI-Gaia offsets 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 ---------------------------------------------------------------------------------------- --- Tue 5 Nov 2019 Day 309 --- 23 50 48 J0815+3635 03 50 26 37.8 68.9 -4.4 -68.2 38 747 23 50 48 23 54 15 =0812+367 03 53 53 38.4 69.2 -4.4 -68.6 207 773 23 50 49 23 55 51 J0839+1802 03 55 30 25.4 86.0 -4.8 -57.0 68 773 23 55 51 23 59 18 =0836+182 03 58 57 26.1 86.5 -4.7 -57.1 207 800 23 55 52 --- Start: Tue 5 Nov 2019 Day 309 -- Stop: Wed 6 Nov 2019 Day 310 --- 23 59 44 J0842+1835 03 59 23 26.0 85.6 -4.7 -57.3 23 800 23 59 44 00 03 11 =0839+187 04 02 51 26.7 86.1 -4.7 -57.3 207 827 23 59 45 00 05 10 J1023+3948 04 04 51 19.3 54.3 -6.3 -57.6 73 827 00 05 10 00 08 37 =1020+400 04 08 18 19.9 54.7 -6.3 -58.1 207 853 00 05 11 00 15 05 J0153+7115 04 14 47 51.1 -17.0 2.3 133.2 287 853 00 15 05 00 18 32 =0149+710 04 18 15 50.9 -17.2 2.4 132.1 207 880 00 15 06 00 24 07 J0824+5552 04 23 50 45.8 44.6 -4.0 -89.0 246 880 00 24 07 00 27 34 =0820+560 04 27 18 46.3 44.6 -4.0 -89.7 207 907 00 24 08 00 28 12 J0854+5757 04 27 56 42.4 41.5 -4.5 -85.7 28 907 00 28 12 00 31 39 =0850+581 04 31 23 42.8 41.6 -4.4 -86.4 207 933 00 28 13 00 33 51 J1010+8250 04 33 36 37.2 9.1 -5.7 -89.7 85 933 00 33 51 00 37 18 =1003+830 04 37 04 37.3 9.1 -5.6 -90.6 207 960 00 33 52 00 40 01 J1126+4516 04 39 47 17.9 46.4 -6.8 -55.3 109 960 00 40 01 00 43 28 =1124+455 04 43 15 18.4 46.8 -6.7 -55.8 207 987 00 40 02 00 44 28 J1148+5254 04 44 14 19.9 38.1 -7.1 -54.7 45 987 00 44 28 00 47 55 =1146+531 04 47 42 20.4 38.4 -7.0 -55.3 207 1013 00 44 29 00 48 42 J1217+5835 04 48 30 20.6 31.1 -7.5 -52.2 35 1013 00 48 42 00 52 09 =1214+588 04 51 57 21.0 31.4 -7.4 -52.8 207 1040 00 48 43 00 53 11 J1234+4753 04 52 59 12.3 38.3 -7.7 -47.6 42 1040 00 53 11 00 56 38 =1231+481 04 56 27 12.7 38.7 -7.6 -48.2 207 1067 00 53 12 00 58 25 J1436+6336 04 58 14 14.2 15.4 -9.6 -28.5 73 1067 00 58 25 01 01 52 =1435+638 05 01 42 14.4 15.7 -9.6 -29.1 207 1093 00 58 26 01 13 10 J1927+7358 05 13 01 23.2 -9.5 9.8 28.8 639 1093 01 13 10 01 16 37 =1928+738 05 16 29 23.0 -9.3 9.8 28.0 207 1120 01 13 11 Schedule for NOTO (Code Nt ) Page 5 Resolving the mystery of large VLBI-Gaia offsets 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 6 Nov 2019 Day 310 --- 01 18 17 J2031+5455 05 18 10 10.8 -26.0 8.8 37.6 74 1120 01 18 17 01 21 44 =2030+547 05 21 37 10.5 -25.6 8.8 37.0 207 1147 01 18 18 01 27 54 J0741+3112 05 27 48 61.7 91.6 -2.2 -69.1 205 1147 01 27 54 01 31 21 =0738+313 05 31 15 62.4 92.2 -2.2 -69.1 207 1173 01 27 55 01 31 48 J0745+3142 05 31 43 61.7 90.5 -2.3 -70.0 23 1173 01 31 48 01 35 15 =0742+318 05 35 11 62.4 91.1 -2.2 -70.0 207 1200 01 31 49 01 36 17 J0815+3635 05 36 12 58.1 78.3 -2.7 -77.1 41 1200 01 36 17 01 39 44 =0812+367 05 39 40 58.7 78.6 -2.6 -77.4 207 1227 01 36 18 01 41 20 J0839+1802 05 41 16 46.4 103.2 -3.0 -54.9 60 1227 01 41 20 01 44 47 =0836+182 05 44 44 47.1 103.9 -2.9 -54.7 207 1253 01 41 21 01 45 13 J0842+1835 05 45 10 47.0 102.9 -3.0 -55.3 22 1253 01 45 13 01 48 40 =0839+187 05 48 37 47.7 103.5 -2.9 -55.1 207 1280 01 45 14 01 50 03 J0940+2603 05 50 01 40.2 85.3 -3.9 -62.5 56 1280 01 50 03 01 53 30 =0937+262 05 53 28 40.9 85.7 -3.8 -62.5 207 1307 01 50 04 01 54 57 J1023+3948 05 54 56 38.3 64.9 -4.5 -70.3 56 1307 01 54 57 01 58 24 =1020+400 05 58 23 39.0 65.1 -4.4 -70.6 207 1333 01 54 58 02 00 10 J1159+2914 06 00 09 16.9 65.9 -6.0 -56.7 59 1333 02 00 10 02 03 37 =1156+295 06 03 37 17.6 66.4 -5.9 -57.0 207 1360 02 00 11 02 05 34 J1335+4542 06 05 34 12.3 41.4 -7.5 -49.1 80 1360 02 05 34 02 09 01 =1333+459 06 09 02 12.8 41.8 -7.5 -49.6 207 1387 02 05 35 02 14 48 J0153+7115 06 14 49 42.6 -23.2 4.3 100.1 254 1387 02 14 48 02 18 15 =0149+710 06 18 17 42.3 -23.2 4.4 99.3 207 1413 02 14 49 02 23 49 J0824+5552 06 23 52 62.0 37.6 -2.0 -119.7 247 1413 02 23 49 02 27 16 =0820+560 06 27 20 62.5 37.1 -2.0 -120.9 207 1440 02 23 50 02 27 57 J0854+5757 06 28 01 58.0 37.1 -2.5 -114.7 30 1440 02 27 57 02 31 24 =0850+581 06 31 28 58.4 36.8 -2.4 -115.7 207 1467 02 27 58 02 33 53 J1010+8250 06 33 58 40.8 7.8 -3.6 -120.4 107 1467 02 33 53 02 37 20 =1003+830 06 37 25 40.9 7.8 -3.6 -121.3 207 1493 02 33 54 02 40 45 J1126+4516 06 40 51 37.0 57.0 -4.8 -72.1 135 1493 02 40 45 02 44 12 =1124+455 06 44 19 37.6 57.2 -4.7 -72.5 207 1520 02 40 46 Schedule for NOTO (Code Nt ) Page 6 Resolving the mystery of large VLBI-Gaia offsets 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 6 Nov 2019 Day 310 --- 02 45 08 J1148+5254 06 45 15 36.4 46.8 -5.1 -74.8 39 1520 02 45 08 02 48 35 =1146+531 06 48 42 36.9 47.0 -5.0 -75.4 207 1547 02 45 09 02 49 26 J1217+5835 06 49 33 34.7 39.0 -5.5 -74.5 37 1547 02 49 26 02 52 53 =1214+588 06 53 01 35.1 39.2 -5.4 -75.1 207 1573 02 49 27 02 53 56 J1234+4753 06 54 04 29.3 50.1 -5.7 -66.0 46 1573 02 53 56 02 57 23 =1231+481 06 57 31 29.8 50.4 -5.6 -66.5 207 1600 02 53 57 02 59 00 J1159+2914 06 59 09 28.0 73.1 -5.0 -61.2 64 1600 02 59 00 03 02 27 =1156+295 07 02 37 28.6 73.5 -5.0 -61.4 207 1627 02 59 01 03 04 38 J0940+2603 07 04 48 55.1 96.8 -2.6 -62.1 76 1627 03 04 38 03 08 05 =0937+262 07 08 15 55.8 97.5 -2.6 -61.9 207 1653 03 04 39 03 11 31 J1335+4542 07 11 42 21.7 48.5 -6.4 -58.9 135 1653 03 11 31 03 14 58 =1333+459 07 15 10 22.2 48.8 -6.3 -59.3 207 1680 03 11 32 03 16 29 J1436+6336 07 16 40 24.5 27.4 -7.3 -55.6 59 1680 03 16 29 03 19 56 =1435+638 07 20 08 24.8 27.6 -7.3 -56.3 207 1707 03 16 30 03 21 29 J1624+5741 07 21 42 11.6 22.4 -9.1 -34.7 65 1707 03 21 29 03 24 56 =1623+578 07 25 09 11.8 22.8 -9.0 -35.4 207 1733 03 21 30 03 25 19 J1638+5720 07 25 32 10.5 21.5 -9.2 -32.8 18 1733 03 25 19 03 28 46 =1637+574 07 29 00 10.8 21.9 -9.2 -33.5 207 1760 03 25 20 03 30 52 J1927+7358 07 31 06 20.9 0.3-11.9 -0.8 94 1760 03 30 52 03 34 19 =1928+738 07 34 34 20.9 0.5-11.9 -1.5 207 1787 03 30 53 03 44 34 J0741+3112 07 44 51 84.3 185.2 0.0 4.8 373 1787 03 44 34 03 48 01 =0738+313 07 48 18 84.1 192.4 0.1 11.6 207 1813 03 44 35 03 48 29 J0745+3142 07 48 46 84.8 184.3 0.0 4.0 14 1813 03 48 29 03 51 56 =0742+318 07 52 14 84.7 192.2 0.1 11.5 207 1840 03 48 30 03 59 24 J0839+1802 07 59 43 69.1 151.8 -0.7 -23.4 384 1840 03 59 24 04 02 51 =0836+182 08 03 10 69.4 153.9 -0.6 -21.7 207 1867 03 59 25 04 03 17 J0842+1835 08 03 36 69.7 152.0 -0.7 -23.3 21 1867 04 03 17 04 06 44 =0839+187 08 07 04 70.0 154.2 -0.6 -21.6 207 1893 04 03 18 04 08 27 J0940+2603 08 08 47 67.5 112.4 -1.5 -55.3 43 1893 04 08 27 04 11 54 =0937+262 08 12 15 68.2 113.6 -1.5 -54.6 207 1920 04 08 28 Schedule for NOTO (Code Nt ) Page 7 Resolving the mystery of large VLBI-Gaia offsets 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 6 Nov 2019 Day 310 --- 04 13 45 J1023+3948 08 14 07 64.4 73.6 -2.2 -85.9 54 1920 04 13 45 04 17 12 =1020+400 08 17 34 65.1 73.7 -2.1 -86.3 207 1947 04 13 46 04 19 09 J1159+2914 08 19 31 43.7 82.8 -3.7 -65.3 71 1947 04 19 09 04 22 36 =1156+295 08 22 59 44.4 83.2 -3.6 -65.4 207 1973 04 19 10 04 24 04 J1331+3030 08 24 27 27.4 71.1 -5.1 -61.3 52 1973 04 24 04 04 27 31 =1328+307 08 27 55 28.1 71.5 -5.1 -61.6 207 2000 04 24 05 04 28 16 J1407+2827 08 28 40 20.4 69.2 -5.7 -58.2 28 2000 04 28 16 04 31 43 =1404+286 08 32 08 21.1 69.7 -5.6 -58.5 207 2027 04 28 17 04 36 22 J0854+5757 08 36 47 68.8 7.1 -0.3 -169.2 181 2027 04 36 22 04 39 49 =0850+581 08 40 15 68.8 5.9 -0.3 -171.1 207 2053 04 36 23 04 42 00 J0824+5552 08 42 26 70.9 -6.9 0.3 170.1 112 2053 04 42 00 04 45 27 =0820+560 08 45 53 70.8 -8.4 0.3 168.0 207 2080 04 42 01 04 51 14 J0153+7115 08 51 42 30.4 -21.1 6.9 64.1 265 2080 04 51 14 04 54 41 =0149+710 08 55 09 30.2 -20.9 7.0 63.3 207 2107 04 51 15 04 59 43 J1658+4737 09 00 11 10.2 36.6 -8.0 -45.0 220 2107 04 59 43 05 03 10 =1656+477 09 03 39 10.6 37.0 -7.9 -45.5 207 2133 04 59 44 05 06 14 J1010+8250 09 06 44 43.8 2.9 -1.1 -161.6 117 2133 05 06 14 05 09 41 =1003+830 09 10 12 43.8 2.7 -1.0 -162.6 207 2160 05 06 15 05 12 36 J1927+7358 09 13 07 22.3 7.6-10.2 -22.6 129 2160 05 12 36 05 16 03 =1928+738 09 16 35 22.4 7.9-10.2 -23.4 207 2187 05 12 37 05 20 25 J1126+4516 09 20 57 64.8 60.8 -2.1 -98.0 176 2187 05 20 25 05 23 52 =1124+455 09 24 24 65.4 60.6 -2.1 -98.8 207 2213 05 20 26 05 25 11 J1148+5254 09 25 44 60.3 46.0 -2.4 -107.9 57 2213 05 25 11 05 28 38 =1146+531 09 29 12 60.8 45.7 -2.3 -108.9 207 2240 05 25 12 05 29 44 J1217+5835 09 30 18 55.3 37.9 -2.8 -109.9 53 2240 05 29 44 05 33 11 =1214+588 09 33 46 55.8 37.6 -2.7 -110.9 207 2267 05 29 45 05 34 27 J1234+4753 09 35 02 55.5 57.1 -3.0 -91.6 47 2267 05 34 27 05 37 54 =1231+481 09 38 29 56.1 57.1 -2.9 -92.3 207 2293 05 34 28 05 39 18 J1335+4542 09 39 54 45.8 59.3 -3.9 -79.6 61 2293 05 39 18 05 42 45 =1333+459 09 43 21 46.4 59.5 -3.9 -80.1 207 2320 05 39 19 Schedule for NOTO (Code Nt ) Page 8 Resolving the mystery of large VLBI-Gaia offsets 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 6 Nov 2019 Day 310 --- 05 45 12 J1624+5741 09 45 48 25.8 35.8 -6.6 -61.1 103 2320 05 45 12 05 48 39 =1623+578 09 49 16 26.2 36.1 -6.6 -61.7 207 2347 05 45 13 05 49 01 J1638+5720 09 49 38 24.4 35.4 -6.8 -59.2 17 2347 05 49 01 05 52 28 =1637+574 09 53 06 24.8 35.7 -6.8 -59.8 207 2373 05 49 02 06 01 31 J1658+4737 10 02 10 18.2 43.5 -6.9 -54.7 525 2373 06 01 31 06 04 58 =1656+477 10 05 38 18.6 43.8 -6.9 -55.3 207 2400 06 01 32 06 08 11 J1331+3030 10 08 51 47.7 83.4 -3.4 -67.1 133 2400 06 08 11 06 11 38 =1328+307 10 12 19 48.4 83.8 -3.3 -67.2 207 2427 06 08 12 06 12 36 J1407+2827 10 13 17 40.6 82.0 -3.9 -64.2 40 2427 06 12 36 06 16 03 =1404+286 10 16 44 41.3 82.5 -3.9 -64.3 207 2453 06 12 37 06 23 42 J0839+1802 10 24 25 60.4 237.4 1.7 45.1 243 2453 06 23 42 06 27 09 =0836+182 10 27 52 59.8 238.5 1.8 45.8 207 2480 06 23 43 06 27 35 J0842+1835 10 28 18 60.5 238.6 1.8 46.1 22 2480 06 27 35 06 31 02 =0839+187 10 31 46 60.0 239.8 1.8 46.8 207 2507 06 27 36 06 32 34 J0940+2603 10 33 18 74.5 229.0 0.9 42.2 60 2507 06 32 34 06 36 01 =0937+262 10 36 45 74.0 231.1 0.9 43.8 207 2533 06 32 35 06 43 34 J1159+2914 10 44 20 72.3 110.4 -1.3 -59.1 280 2533 06 43 34 06 47 01 =1156+295 10 47 47 72.9 111.7 -1.2 -58.3 207 2560 06 43 35 06 48 45 J1331+3030 10 49 32 55.8 88.8 -2.7 -68.0 68 2560 06 48 45 06 52 12 =1328+307 10 52 59 56.5 89.3 -2.7 -68.0 207 2587 06 48 46 06 53 10 J1407+2827 10 53 57 48.7 87.4 -3.2 -65.2 40 2587 06 53 10 06 56 37 =1404+286 10 57 25 49.4 87.9 -3.2 -65.3 207 2613 06 53 11 06 59 39 J1126+4516 11 00 27 80.2 29.9 -0.5 -145.6 101 2613 06 59 39 07 03 06 =1124+455 11 03 55 80.6 26.8 -0.4 -149.2 207 2640 06 59 40 07 06 32 J1217+5835 11 07 22 65.5 22.5 -1.2 -144.1 174 2640 07 06 32 07 09 59 =1214+588 11 10 50 65.8 21.6 -1.1 -145.7 207 2667 07 06 33 07 11 35 J1148+5254 11 12 25 72.8 19.4 -0.6 -153.9 80 2667 07 11 35 07 15 02 =1146+531 11 15 53 73.0 17.8 -0.6 -156.1 207 2693 07 11 36 07 16 16 J1234+4753 11 17 07 72.0 46.6 -1.3 -120.2 32 2693 07 16 16 07 19 43 =1231+481 11 20 35 72.5 45.6 -1.2 -121.8 207 2720 07 16 17 Schedule for NOTO (Code Nt ) Page 9 Resolving the mystery of large VLBI-Gaia offsets 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 6 Nov 2019 Day 310 --- 07 20 54 J1335+4542 11 21 46 63.5 60.2 -2.2 -97.3 49 2720 07 20 54 07 24 21 =1333+459 11 25 14 64.1 60.0 -2.2 -98.0 207 2747 07 20 55 07 26 36 J1436+6336 11 27 29 51.1 31.5 -3.2 -110.2 93 2747 07 26 36 07 30 03 =1435+638 11 30 56 51.5 31.3 -3.1 -111.2 207 2773 07 26 37 07 31 44 J1624+5741 11 32 38 39.2 41.3 -4.9 -80.8 74 2773 07 31 44 07 35 11 =1623+578 11 36 06 39.6 41.4 -4.8 -81.5 207 2800 07 31 45 07 35 36 J1638+5720 11 36 30 37.8 41.5 -5.0 -78.6 19 2800 07 35 36 07 39 03 =1637+574 11 39 57 38.3 41.6 -5.0 -79.3 207 2827 07 35 37 07 40 04 J1658+4737 11 40 59 32.8 52.1 -5.3 -69.4 45 2827 07 40 04 07 43 31 =1656+477 11 44 26 33.4 52.3 -5.2 -69.9 207 2853 07 40 05 07 50 57 J0940+2603 11 51 54 60.3 257.9 2.2 60.5 158 2853 07 50 57 07 54 24 =0937+262 11 55 21 59.6 258.6 2.2 60.7 207 2880 07 50 58 07 55 52 J0839+1802 11 56 50 43.1 260.0 3.3 55.9 54 2880 07 55 52 07 59 19 =0836+182 12 00 18 42.5 260.6 3.3 56.1 207 2907 07 55 53 07 59 45 J0842+1835 12 00 43 43.2 260.8 3.3 56.4 22 2907 07 59 45 08 03 12 =0839+187 12 04 11 42.5 261.4 3.3 56.5 207 2933 07 59 46 08 05 42 J1023+3948 12 06 41 69.8 285.9 1.7 89.9 92 2933 08 05 42 08 09 09 =1020+400 12 10 08 69.1 285.9 1.8 89.3 207 2960 08 05 43 08 11 14 J1126+4516 12 12 14 78.3 318.3 0.7 131.0 77 2960 08 11 14 08 14 41 =1124+455 12 15 41 77.8 316.4 0.8 128.6 207 2987 08 11 15 08 17 15 J1159+2914 12 18 17 81.4 206.9 0.3 24.5 0 2987 08 17 15 08 20 42 =1156+295 12 21 44 81.1 211.4 0.4 28.5 207 3013 08 17 16 08 23 11 J1331+3030 12 24 14 74.5 109.7 -1.1 -60.8 5 3013 08 23 11 08 26 38 =1328+307 12 27 41 75.2 111.1 -1.1 -59.9 207 3040 08 23 12 08 27 38 J1407+2827 12 28 40 67.5 105.1 -1.7 -61.4 42 3040 08 27 38 08 31 05 =1404+286 12 32 08 68.2 106.0 -1.6 -60.9 207 3067 08 27 39 08 33 34 J1234+4753 12 34 38 79.1 0.4 -0.0 -179.5 0 3067 08 33 34 08 37 01 =1231+481 12 38 05 79.1 -2.6 0.0 176.9 207 3093 08 33 35 08 38 26 J1335+4542 12 39 31 76.3 46.1 -0.9 -124.5 15 3093 08 38 26 08 41 53 =1333+459 12 42 58 76.8 44.6 -0.9 -126.6 207 3120 08 38 27 Schedule for NOTO (Code Nt ) Page 10 Resolving the mystery of large VLBI-Gaia offsets 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 6 Nov 2019 Day 310 --- 08 44 53 J1658+4737 12 45 58 43.4 55.9 -4.2 -79.1 110 3120 08 44 53 08 48 20 =1656+477 12 49 26 44.0 56.0 -4.2 -79.6 207 3147 08 44 54 08 52 03 J1331+3030 12 53 09 79.7 125.9 -0.6 -48.7 126 3147 08 52 03 08 55 30 =1328+307 12 56 37 80.2 128.7 -0.6 -46.3 207 3173 08 52 04 08 56 26 J1407+2827 12 57 34 73.0 114.9 -1.2 -55.5 35 3173 08 56 26 08 59 53 =1404+286 13 01 01 73.6 116.4 -1.1 -54.5 207 3200 08 56 27 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess319.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: 9 Station: NOTO Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 = A1 C2 A1 C2 A1 C2 A1 C2 A1 C2 A1 C2 A1 C2 A1 C2 The following frequency sets based on these setups were used. Frequency Set: 5 Setup file default. Used with PCAL = off LO sum= 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 BBC fr= 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 5 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) 0149+710 01 49 20.806509 * 01 53 25.851060 01 55 06.743402 0.52 * J0153+7115 71 00 20.67761 * 71 15 06.46340 71 20 56.22136 0.14 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 185 observations 0738+313 07 38 00.178552 * 07 41 10.703301 07 42 25.354042 0.12 * J0741+3112 31 19 02.05890 * 31 12 00.22889 31 09 06.43516 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 11407 observations 0742+318 07 42 30.742935 * 07 45 41.671441 07 46 56.445823 0.18 * J0745+3142 31 50 16.25936 * 31 42 56.61744 31 39 55.68115 0.18 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 111 observations 0812+367 08 12 10.710945 * 08 15 25.944864 08 16 42.155806 0.13 * J0815+3635 36 44 27.45312 * 36 35 15.14877 36 31 28.57462 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 4342 observations 0820+560 08 20 53.203690 * 08 24 47.236366 08 26 18.340663 0.18 * J0824+5552 56 02 27.45540 * 55 52 42.66931 55 48 36.88811 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 5477 observations 0836+182 08 36 40.098254 * 08 39 30.721374 08 40 37.240807 0.13 * J0839+1802 18 13 24.80253 * 18 02 47.14256 17 58 34.35429 0.16 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 716 observations 0839+187 08 39 14.084300 * 08 42 05.094176 08 43 11.745347 0.11 * J0842+1835 18 46 27.27510 * 18 35 40.99057 18 31 24.66786 0.11 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 2039 observations 0850+581 08 50 50.156150 * 08 54 41.996414 08 56 11.830606 0.20 * J0854+5757 58 08 55.67772 * 57 57 29.93906 57 52 44.56777 0.11 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 1344 observations 0937+262 09 37 22.003670 * 09 40 14.722784 09 41 21.609796 0.16 * J0940+2603 26 17 07.70830 * 26 03 29.94570 25 58 05.11602 0.25 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 65 observations 1003+830 10 03 25.755735 * 10 10 15.783048 10 12 45.680321 1.25 * J1010+8250 83 04 56.60730 * 82 50 14.38373 82 44 08.01072 0.14 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 190 observations 1020+400 10 20 14.564689 * 10 23 11.565665 10 24 19.640819 0.13 * J1023+3948 40 03 26.57363 * 39 48 15.38532 39 42 10.79938 0.11 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 1594 observations 1124+455 11 24 13.766459 * 11 26 57.654951 11 28 00.071931 0.19 * J1126+4516 45 32 36.89523 * 45 16 06.28414 45 09 32.25109 0.17 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 169 observations 1146+531 11 46 18.019057 * 11 48 56.569084 11 49 56.478351 0.24 * J1148+5254 53 11 05.71063 * 52 54 25.32289 52 47 46.87083 0.14 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 159 observations 1156+295 11 56 57.786210 * 11 59 31.833911 12 00 30.634196 0.11 * J1159+2914 29 31 25.73872 * 29 14 43.82682 29 08 11.55646 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 93824 observations 1214+588 12 14 44.916752 * 12 17 11.018812 12 18 05.594147 0.38 * J1217+5835 58 52 05.64160 * 58 35 26.24606 58 28 48.87552 0.20 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 190 observations 1231+481 12 31 50.237054 * 12 34 13.330775 12 35 07.227671 0.19 * J1234+4753 48 10 22.70476 * 47 53 51.23617 47 47 20.49272 0.15 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 395 observations 1328+307 13 28 49.657783 * 13 31 08.288075 13 32 00.775167 0.18 * J1331+3030 30 45 58.64055 * 30 30 32.95919 30 24 35.02142 0.17 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 603 observations 1333+459 13 33 15.707444 * 13 35 21.962227 13 36 09.210698 0.20 * J1335+4542 45 57 56.43914 * 45 42 38.23211 45 36 40.78278 0.13 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 136 observations 1404+286 14 04 45.615157 * 14 07 00.394415 14 07 51.366421 0.11 * J1407+2827 28 41 29.23512 * 28 27 14.69015 28 21 46.78747 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 72228 observations 1435+638 14 35 37.240605 * 14 36 45.802154 14 37 09.468610 0.23 * J1436+6336 63 49 35.85998 * 63 36 37.86631 63 31 36.94949 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 1906 observations 1623+578 16 23 27.706688 * 16 24 24.807567 16 24 44.710770 0.19 * J1624+5741 57 48 03.95393 * 57 41 16.28097 57 38 48.72499 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 6591 observations 1637+574 16 37 17.425181 * 16 38 13.456296 16 38 33.021037 0.19 * J1638+5720 57 26 15.76131 * 57 20 23.97902 57 18 19.19164 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 11099 observations 1656+477 16 56 39.600756 * 16 58 02.779585 16 58 33.432097 0.15 * J1658+4737 47 42 19.63006 * 47 37 49.23077 47 36 17.89572 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 1396 observations 1928+738 19 28 49.350194 * 19 27 48.495147 19 27 22.389592 0.37 * J1927+7358 73 51 44.92748 * 73 58 01.56992 74 00 47.69543 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 7201 observations 2030+547 20 30 29.095869 * 20 31 47.958535 20 32 18.390786 0.18 * J2031+5455 54 44 49.23056 * 54 55 03.13949 54 59 24.35439 0.11 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 1783 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 J0153+7115 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 24.134 J0741+3112 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 25.216 J0745+3142 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 26.842 J0815+3635 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 26.115 J0824+5552 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 21.959 J0839+1802 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 23.991 J0842+1835 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 25.512 J0854+5757 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 21.793 J0940+2603 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 26.993 J1010+8250 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 22.891 J1023+3948 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 23.493 J1126+4516 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 21.708 J1148+5254 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 22.086 J1159+2914 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 26.483 J1217+5835 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 22.219 J1234+4753 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 22.125 J1331+3030 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 28.981 J1335+4542 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 20.306 J1407+2827 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 + 0.287 27.808 J1436+6336 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 22.240 J1624+5741 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 20.924 J1638+5720 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 20.197 J1658+4737 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 18.758 J1927+7358 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 20.788 J2031+5455 sess319.L1024 1 2 3 4 5 6 7 8 9 10 13 14 0.287 18.876 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) J0153+7115 124.0 J0741+3112 111.1 J0745+3142 110.2 J0815+3635 104.7 J0824+5552 105.5 J0839+1802 95.6 J0842+1835 95.1 J0854+5757 101.8 J0940+2603 84.5 J1010+8250 103.0 J1023+3948 82.0 J1126+4516 75.4 J1148+5254 78.2 J1159+2914 59.8 J1217+5835 80.1 J1234+4753 69.8 J1331+3030 49.4 J1335+4542 63.4 J1407+2827 45.1 J1436+6336 79.4 J1624+5741 76.4 J1638+5720 76.9 J1658+4737 70.3 J1927+7358 100.1 J2031+5455 101.3 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