COVER INFORMATION Station: JODRELL2 (Code Jb ) Experiment: Network Monitoring Experiment Exp. Code: N24K2 Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Gabor Orosz Address: JIVE Oude Hoogeveensedijk 4 Dwingeloo Netherlands Phone: +31 521 596 530 EMAIL: orosz@jive.eu Fax: Phone during observation: +31 521 596 530 Observing mode: vlbi Notes: K-band (1.3cm) NME and ftp fringe test for Session 2, 2024. 2048 Mbps, L+R, 2-bit sampling, 16 BBC, 32 MHz filters v2: adds KVNPC COVER LETTER: This is the schedule for the 1.3cm NME FTP-FT on June 4, 2024 involving the following 12 antennas: Jb2, Ef, Mc, On60, Tr, Mh, Ys, Hh, Sr, Kt, Ky, Ku. The NME uses a standard 2 Gbps setup (16BBC/32MHz/dual). The NME lasts for 3 hours (04/06,12-15UT) with scans on calibrators: J0854+2006, J1043+2408, J1159+2914, and J1207+2754 (pref), where the final source will be used for testing phase referencing. J0854+2006 -- https://obs.vlba.nrao.edu/cst/calibsource/6716 J1043+2408 -- https://obs.vlba.nrao.edu/cst/calibsource/8097 J1159+2914 -- https://obs.vlba.nrao.edu/cst/calibsource/9104 J1207+2754 -- https://obs.vlba.nrao.edu/cst/calibsource/9205 Data grabs for testing will be at the following times (in UT): 12:10:00 (scan 2, 2 sec, J0854+2006) 12:40:00 (scan 4, 2 sec, J0854+2006) 13:10:00 (scan 6, 2 sec, J0854+2006) 13:40:00 (scan 8, 2 sec, J1043+2408) 14:10:00 (scan 10, 2 sec, J1159+2914) 14:40:00 (scan 20, 2 sec, J1159+2914) 14:59:00 (scan 30, 2 sec, J1159+2914) -- Gabor Orosz Mattermost: coms.evlbi.org Schedule for JODRELL2 (Code Jb ) Page 2 Network Monitoring Experiment 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 4 Jun 2024 Day 156 --- Next scan frequencies: 22172.00 22172.00 22172.00 22172.00 22236.00 22236.00 22236.00 22236.00 22300.00 22300.00 22300.00 22300.00 22364.00 22364.00 22364.00 22364.00 Next BBC frequencies: 844.00 844.00 844.00 844.00 780.00 780.00 780.00 780.00 716.00 716.00 716.00 716.00 652.00 652.00 652.00 652.00 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 00 00 J0854+2006 04 44 28 32.0 99.3 -4.2 -38.9 0 0 12 00 00 12 02 00 =OJ287 04 46 28 32.3 99.8 -4.2 -38.9 120 31 12 00 01 12 07 00 J0854+2006 04 51 29 33.0 100.9 -4.1 -38.7 294 31 12 07 00 12 12 00 =OJ287 04 56 30 33.8 102.0 -4.0 -38.5 300 108 12 07 01 12 17 00 J0854+2006 05 01 31 34.5 103.1 -3.9 -38.4 294 108 12 17 00 12 27 00 =OJ287 05 11 32 36.0 105.3 -3.7 -37.9 600 263 12 17 01 12 32 00 J0854+2006 05 16 33 36.7 106.5 -3.7 -37.6 294 263 12 32 00 12 42 00 =OJ287 05 26 35 38.1 108.9 -3.5 -37.1 600 417 12 32 01 12 47 00 J0854+2006 05 31 36 38.8 110.1 -3.4 -36.8 294 417 12 47 00 12 57 00 =OJ287 05 41 37 40.2 112.5 -3.2 -36.0 600 572 12 47 01 13 02 00 J0854+2006 05 46 38 40.9 113.8 -3.2 -35.7 294 572 13 02 00 13 12 00 =OJ287 05 56 40 42.3 116.4 -3.0 -34.8 600 727 13 02 01 13 17 00 J1043+2408 06 01 41 30.4 89.9 -4.7 -40.9 196 727 13 17 00 13 27 00 =1040+244 06 11 42 31.9 91.9 -4.5 -40.9 600 881 13 17 01 13 32 00 J1043+2408 06 16 43 32.7 92.9 -4.5 -40.9 294 881 13 32 00 13 42 00 =1040+244 06 26 45 34.2 95.0 -4.3 -40.8 600 1036 13 32 01 13 50 00 J1159+2914 06 34 46 27.8 77.7 -5.4 -42.0 402 1036 13 50 00 14 00 00 =1156+295 06 44 48 29.3 79.6 -5.3 -42.4 600 1190 13 50 01 14 05 00 J1159+2914 06 49 49 30.0 80.5 -5.2 -42.5 295 1190 14 05 00 14 15 00 =1156+295 06 59 50 31.5 82.4 -5.0 -42.8 600 1345 14 05 01 14 16 00 J1159+2914 07 00 50 31.7 82.6 -5.0 -42.8 56 1345 14 16 00 14 17 00 =1156+295 07 01 51 31.8 82.8 -5.0 -42.8 60 1360 14 16 01 14 17 00 J1207+2754 07 01 51 29.7 82.3 -5.1 -42.1 -22 1360 No stop 14 18 15 =1204+281 07 03 06 29.9 82.6 -5.1 -42.1 53 1380 14 17 01 14 18 15 J1159+2914 07 03 06 32.0 83.0 -5.0 -42.8 -22 1380 No stop 14 19 30 =1156+295 07 04 21 32.2 83.2 -4.9 -42.9 53 1399 14 18 16 Schedule for JODRELL2 (Code Jb ) Page 3 Network Monitoring Experiment 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 4 Jun 2024 Day 156 --- 14 19 30 J1207+2754 07 04 21 30.0 82.8 -5.1 -42.2 -22 1399 No stop 14 20 45 =1204+281 07 05 36 30.2 83.0 -5.1 -42.2 53 1418 14 19 31 14 20 45 J1159+2914 07 05 36 32.4 83.5 -4.9 -42.9 -22 1418 No stop 14 22 00 =1156+295 07 06 51 32.6 83.7 -4.9 -42.9 53 1438 14 20 46 14 22 00 J1207+2754 07 06 51 30.4 83.3 -5.0 -42.2 -22 1438 No stop 14 23 15 =1204+281 07 08 07 30.6 83.5 -5.0 -42.2 53 1457 14 22 01 14 23 15 J1159+2914 07 08 07 32.8 84.0 -4.9 -42.9 -22 1457 No stop 14 24 30 =1156+295 07 09 22 32.9 84.2 -4.9 -43.0 53 1476 14 23 16 14 24 30 J1207+2754 07 09 22 30.8 83.7 -5.0 -42.3 -22 1476 No stop 14 25 45 =1204+281 07 10 37 31.0 84.0 -5.0 -42.3 53 1496 14 24 31 14 25 45 J1159+2914 07 10 37 33.1 84.4 -4.8 -43.0 -22 1496 No stop 14 27 00 =1156+295 07 11 52 33.3 84.7 -4.8 -43.0 53 1515 14 25 46 14 32 00 J1159+2914 07 16 53 34.1 85.6 -4.7 -43.1 294 1515 14 32 00 14 42 00 =1156+295 07 26 55 35.6 87.6 -4.6 -43.2 600 1669 14 32 01 14 43 00 J1159+2914 07 27 55 35.7 87.8 -4.5 -43.2 56 1669 14 43 00 14 44 00 =1156+295 07 28 55 35.9 88.0 -4.5 -43.2 60 1685 14 43 01 14 44 00 J1207+2754 07 28 55 33.7 87.5 -4.7 -42.5 -22 1685 No stop 14 45 15 =1204+281 07 30 10 33.9 87.8 -4.6 -42.5 53 1704 14 44 01 14 45 15 J1159+2914 07 30 10 36.1 88.2 -4.5 -43.2 -22 1704 No stop 14 46 30 =1156+295 07 31 25 36.2 88.5 -4.5 -43.2 53 1724 14 45 16 14 46 30 J1207+2754 07 31 25 34.1 88.0 -4.6 -42.5 -22 1724 No stop 14 47 45 =1204+281 07 32 41 34.3 88.3 -4.6 -42.5 53 1743 14 46 31 14 47 45 J1159+2914 07 32 41 36.4 88.7 -4.5 -43.2 -22 1743 No stop 14 49 00 =1156+295 07 33 56 36.6 89.0 -4.4 -43.2 53 1762 14 47 46 14 49 00 J1207+2754 07 33 56 34.5 88.5 -4.6 -42.6 -22 1762 No stop 14 50 15 =1204+281 07 35 11 34.6 88.8 -4.6 -42.6 53 1782 14 49 01 14 50 15 J1159+2914 07 35 11 36.8 89.2 -4.4 -43.2 -22 1782 No stop 14 51 30 =1156+295 07 36 26 37.0 89.5 -4.4 -43.2 53 1801 14 50 16 14 51 30 J1207+2754 07 36 26 34.8 89.0 -4.5 -42.6 -22 1801 No stop 14 52 45 =1204+281 07 37 41 35.0 89.3 -4.5 -42.6 53 1820 14 51 31 Schedule for JODRELL2 (Code Jb ) Page 4 Network Monitoring Experiment 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 4 Jun 2024 Day 156 --- 14 52 45 J1159+2914 07 37 41 37.2 89.7 -4.4 -43.2 -22 1820 No stop 14 54 00 =1156+295 07 38 57 37.4 90.0 -4.4 -43.2 53 1840 14 52 46 14 57 00 J1159+2914 07 41 57 37.8 90.6 -4.3 -43.2 175 1840 14 57 00 15 00 00 =1156+295 07 44 58 38.3 91.2 -4.3 -43.2 180 1886 14 57 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess224.K2048glob --- 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: 2 Station: JODRELL2 Total bit rate: 2048 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 23016.00 23016.00 23016.00 23016.00 23016.00 23016.00 23016.00 23016.00 23016.00 23016.00 23016.00 23016.00 23016.00 23016.00 23016.00 23016.00 Net SB= L L U U L L U U L L U U L L U U IF SB = L L L L L L L L L L L L L L L L 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= U U L L U U L L U U L L U U L L IF = A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 The following frequency sets based on these setups were used. Frequency Set: 1 Setup file default. Used with PCAL = off LO sum= 22172.00 22172.00 22172.00 22172.00 22236.00 22236.00 22236.00 22236.00 22300.00 22300.00 22300.00 22300.00 22364.00 22364.00 22364.00 22364.00 BBC fr= 844.00 844.00 844.00 844.00 780.00 780.00 780.00 780.00 716.00 716.00 716.00 716.00 652.00 652.00 652.00 652.00 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: 1 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) OJ287 08 51 57.250615 * 08 54 48.874927 08 56 11.666194 0.00 * J0854+2006 20 17 58.41740 * 20 06 30.64085 20 01 02.44949 0.00 0851+202 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0854+20 GSFC 2016a X/S astro solution, 270807 observations. 1040+244 10 40 25.199376 * 10 43 09.035777 10 44 28.737484 0.01 * J1043+2408 24 24 19.59859 * 24 08 35.40945 24 01 03.26443 0.01 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 9319 observations. 1156+295 11 56 57.786211 * 11 59 31.833912 12 00 47.358756 0.00 * J1159+2914 29 31 25.73880 * 29 14 43.82690 29 06 43.60695 0.00 J1159+29 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 78215 observations. 1204+281 12 04 55.101438 * 12 07 27.900474 12 08 42.860099 0.10 * J1207+2754 28 11 40.43090 * 27 54 58.84994 27 46 58.13290 0.17 J1207+27 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 102 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 J0854+2006 sess224.K2048glob 1 2 3 4 5 7 10 13 0.783 61.100 J1043+2408 sess224.K2048glob 1 2 3 4 5 7 10 13 0.333 26.000 J1159+2914 sess224.K2048glob 1 2 3 4 5 7 10 13 0.750 54.985 J1207+2754 sess224.K2048glob 1 2 3 4 5 7 10 13 0.167 9.526 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) J0854+2006 56.5 J1043+2408 79.3 J1159+2914 92.9 J1207+2754 95.1 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