COVER INFORMATION Station: HART (Code Hh ) Experiment: Network Monitoring Experiment Exp. Code: N22L3 Schedule Version: 3.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Suma Murthy Address: JIVE Oude Hoogeveensedijk 4 Dwingeloo Netherlands Phone: +31 686337748 EMAIL: murthy@jive.eu Fax: Phone during observation: +31 521 596 508 Observing mode: vlbi Notes: L-band (18cm) NME and ftp fringe test for Session 3, 2022. EVN: 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 There is 21cm portion at end using GM081D-E channelization (no Ur,Hh) COVER LETTER: This is the schedule for the 18cm NME and ftp fringe test on October 28, 2022 involving 10 EVN antennas + eMERLIN: Jb2, Wb, Ef, Mc, Nt, O8, T6, Ur, Tr, Hh, Ir, Cm, Da, Kn, Pi, De. The NME uses a standard setup with a datarate of 1024 Mbps (512 Mbps for eMERLIN). The NME lasts for 3 hours and consists of long scans on 3C395 We will use J1848+3219 for phase referencing. The ftp grabs will be at the following times (in UT): 12:00:00 (scan 1, 2 sec, 3C395) 12:30:00 (scan 5, 2 sec, 3C395) 13:00:00 (scan 9, 2 sec, 3C395) 13:30:00 (scan 13, 2 sec, 3C395) 14:00:00 (scan 17, 2 sec, 3C395) 14:30:00 (scan 21, 2 sec, 3C395) Suma Murthy Mattermost: coms.evlbi.org Schedule for HART (Code Hh ) 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 ---------------------------------------------------------------------------------------- --- Fri 28 Oct 2022 Day 301 --- Next scan frequencies: 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 Next BBC frequencies: 116.49 116.49 116.49 116.49 180.49 180.49 180.49 180.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 12 00 00 3C395 16 18 01 19.9 36.6 -2.8 0.0 0 0 12 00 00 12 10 00 --- 16 28 02 21.2 34.9 -2.6 0.0 600 77 12 00 01 12 12 00 3C395 16 30 03 21.5 34.5 -2.6 0.0 99 77 12 12 00 12 16 00 --- 16 34 03 22.0 33.8 -2.5 0.0 240 108 12 12 01 12 16 00 J1848+3219 16 34 03 23.5 30.8 -2.3 0.0 -34 108 No stop 12 19 00 =1846+322 16 37 04 23.8 30.2 -2.2 0.0 146 131 12 16 01 12 21 00 3C395 16 39 04 22.6 32.8 -2.4 0.0 86 131 12 21 00 12 25 00 --- 16 43 05 23.1 32.1 -2.3 0.0 240 162 12 21 01 12 30 00 3C395 16 48 06 23.7 31.1 -2.3 0.0 279 162 12 30 00 12 40 00 --- 16 58 07 24.8 29.1 -2.1 0.0 600 240 12 30 01 12 42 00 3C395 17 00 07 25.0 28.7 -2.1 0.0 99 240 12 42 00 12 46 00 --- 17 04 08 25.4 27.9 -2.0 0.0 240 271 12 42 01 12 46 00 J1848+3219 17 04 08 26.6 24.7 -1.8 0.0 -34 271 No stop 12 49 00 =1846+322 17 07 09 26.9 24.1 -1.7 0.0 146 294 12 46 01 12 51 00 3C395 17 09 09 26.0 26.9 -1.9 0.0 86 294 12 51 00 12 55 00 --- 17 13 10 26.4 26.0 -1.8 0.0 240 325 12 51 01 13 00 00 3C395 17 18 10 26.8 25.0 -1.8 0.0 279 325 13 00 00 13 10 00 --- 17 28 12 27.8 22.8 -1.6 0.0 600 402 13 00 01 13 12 00 3C395 17 30 12 27.9 22.4 -1.6 0.0 99 402 13 12 00 13 16 00 --- 17 34 13 28.3 21.5 -1.5 0.0 240 433 13 12 01 13 16 00 J1848+3219 17 34 13 29.1 18.1 -1.2 0.0 -34 433 No stop 13 19 00 =1846+322 17 37 14 29.3 17.4 -1.2 0.0 146 456 13 16 01 13 21 00 3C395 17 39 14 28.7 20.4 -1.4 0.0 86 456 13 21 00 13 25 00 --- 17 43 15 29.0 19.5 -1.3 0.0 240 487 13 21 01 13 30 00 3C395 17 48 15 29.3 18.3 -1.3 0.0 279 487 13 30 00 13 40 00 --- 17 58 17 30.0 16.0 -1.1 0.0 600 564 13 30 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess322.L1024 Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: hh18cm Values confirmed by E-mail Jonathan Quick 20140219 (CR) ****** Only 122.49 of 256.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 6 Station: HART Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 BBC SB= L L U U L L U U IF = A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 11 Setup file default. Used with PCAL = off LO sum= 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 BBC fr= 116.49 116.49 116.49 116.49 180.49 180.49 180.49 180.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 11 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) 1846+322 18 46 29.612030 * 18 48 22.088573 18 49 12.073358 0.00 * J1848+3219 32 15 36.66044 * 32 19 02.60384 32 20 46.53737 0.00 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 38727 observations. * 3C395 19 01 02.310064 * 19 02 55.938900 19 03 46.517164 0.02 J1902+3159 31 55 13.94285 * 31 59 41.70165 32 01 53.82600 0.02 1901+319 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J1902+31 GSFC 2016a X/S astro solution, 2536 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 J1848+3219 sess322.L1024 1 2 3 4 5 6 7 8 9 10 11 12 + 0.150 17.148 sess322.H512 18 19 20 21 22 23 24 25 26 + 0.183 13.096 3C395 sess322.L1024 1 2 3 4 5 6 7 8 9 10 11 12 + 1.067 145.067 sess322.H512 18 19 20 21 22 23 24 25 26 + 0.767 69.767 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) J1848+3219 80.4 3C395 83.2 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