COVER INFORMATION Station: CAMBG32M (Code Cm ) Experiment: Network Monitoring Experiment Exp. Code: N24L2 Schedule Version: 1.00 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: L-band (18cm) NME and ftp fringe test for Session 2, 2024. 1024 Mbps, L+R, 2-bit sampling, 8 BBC, 32 MHz filters MER: 512 Mbps, L+R, 2-bit sampling, 2 BBC, 64 MHz filters COVER LETTER: This is the schedule for the 18cm NME FTP-FT on May 23, 2024 involving the following 14 antennas: Jb1, Wb1, Ef, Mc, Nt, On85, Tr, Hh, Ir, Cm, Da, Kn, Pi, De. The NME uses a standard 1 Gbps setup (8BBC/32MHz/dual), exc. e-MERLIN stations (512 Mbps, 2BBC/64MHz/dual). The NME lasts for 3 hours (23/05,12-15UT) with scans on calibrators: J0442-0017 (NRAO190) -- https://obs.vlba.nrao.edu/cst/calibsource/3553 J0854+2006 (OJ287) -- https://obs.vlba.nrao.edu/cst/calibsource/6716 with ftp grabs every other scan at the following times (in UT): 12:10:00 (scan 2, 2 sec, J0442-0017) 12:40:00 (scan 4, 2 sec, J0442-0017) 13:10:00 (scan 6, 2 sec, J0442-0017) 13:40:00 (scan 8, 2 sec, J0854+2006) 14:10:00 (scan 10, 2 sec, J0854+2006) 14:40:00 (scan 12, 2 sec, J0854+2006) 14:59:00 (scan 14, 2 sec, J0854+2006) -- Gabor Orosz Mattermost: coms.evlbi.org Schedule for CAMBG32M (Code Cm ) 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 ---------------------------------------------------------------------------------------- --- Thu 23 May 2024 Day 144 --- Next scan frequencies: 1626.49 1626.49 Next BBC frequencies: 645.51 645.51 Next scan bandwidths: 64.00 64.00 12 00 00 J0442-0017 04 06 31 37.0 528.3 -0.6 -7.2 0 0 12 00 00 12 02 00 =NRAO190 04 08 32 37.1 528.9 -0.6 -6.8 120 8 12 00 01 12 07 00 J0442-0017 04 13 32 37.2 530.5 -0.5 -5.8 294 8 12 07 00 12 12 00 =NRAO190 04 18 33 37.3 532.0 -0.4 -4.9 300 27 12 07 01 12 17 00 J0442-0017 04 23 34 37.4 533.6 -0.3 -3.9 294 27 12 17 00 12 27 00 =NRAO190 04 33 36 37.5 536.8 -0.2 -2.0 600 66 12 17 01 12 32 00 J0442-0017 04 38 36 37.6 538.3 -0.1 -1.0 294 66 12 32 00 12 42 00 =NRAO190 04 48 38 37.6 541.5 0.1 0.9 600 104 12 32 01 12 47 00 J0854+2006 04 53 39 33.6 460.6 -4.0 -39.9 150 104 12 47 00 12 57 00 =OJ287 05 03 41 35.1 462.8 -3.9 -39.5 600 143 12 47 01 13 02 00 J0854+2006 05 08 41 35.8 464.0 -3.8 -39.3 295 143 13 02 00 13 12 00 =OJ287 05 18 43 37.3 466.2 -3.6 -38.8 600 182 13 02 01 13 17 00 J0854+2006 05 23 44 38.0 467.4 -3.5 -38.5 295 182 13 17 00 13 27 00 =OJ287 05 33 46 39.5 469.8 -3.4 -37.9 600 220 13 17 01 13 32 00 J0854+2006 05 38 46 40.2 471.0 -3.3 -37.6 295 220 13 32 00 13 42 00 =OJ287 05 48 48 41.6 473.5 -3.1 -36.8 600 259 13 32 01 13 47 00 J0854+2006 05 53 49 42.3 474.7 -3.0 -36.4 295 259 13 47 00 13 57 00 =OJ287 06 03 50 43.7 477.3 -2.9 -35.4 600 298 13 47 01 14 02 00 J0854+2006 06 08 51 44.4 478.7 -2.8 -34.9 295 298 14 02 00 14 12 00 =OJ287 06 18 53 45.7 481.4 -2.6 -33.8 600 336 14 02 01 14 17 00 J0854+2006 06 23 54 46.4 482.9 -2.5 -33.3 295 336 14 17 00 14 27 00 =OJ287 06 33 55 47.7 485.8 -2.4 -32.0 600 375 14 17 01 14 32 00 J0854+2006 06 38 56 48.3 487.3 -2.3 -31.3 295 375 14 32 00 14 42 00 =OJ287 06 48 58 49.5 490.3 -2.1 -29.8 600 414 14 32 01 14 47 00 J0854+2006 06 53 59 50.1 491.9 -2.0 -29.1 294 414 14 47 00 14 52 00 =OJ287 06 58 59 50.6 493.6 -2.0 -28.2 300 433 14 47 01 14 57 00 J0854+2006 07 04 00 51.2 495.2 -1.9 -27.4 294 433 14 57 00 15 00 00 =OJ287 07 07 01 51.5 496.2 -1.8 -26.9 180 444 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.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: 10 Station: CAMBG32M 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) NRAO190 04 40 05.290693 * 04 42 38.660725 04 43 51.890030 0.01 * J0442-0017 -00 23 20.58195 *-00 17 43.42088 -00 14 59.23476 0.03 0440-003 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0442-00 GSFC 2016a X/S astro solution, 4192 observations. OJ287 08 51 57.250615 * 08 54 48.874927 08 56 11.765857 0.00 * J0854+2006 20 17 58.41740 * 20 06 30.64085 20 01 02.19311 0.00 0851+202 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0854+20 GSFC 2016a X/S astro solution, 270807 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 J0442-0017 sess224.L1024 1 2 3 4 5 6 7 8 9 10 0.450 40.950 J0854+2006 sess224.L1024 1 2 3 4 5 6 7 8 9 10 1.467 133.350 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) J0442-0017 23.2 J0854+2006 68.0 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