COVER INFORMATION Station: KVNUS (Code Ku ) Experiment: Network Monitoring Experiment Exp. Code: N22K1 Schedule Version: 3.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Junghwan Oh Address: JIVE Oude Hoogeveensedijk 4 7991 PD Dwingeloo The Netherlands Phone: +31-521-596537 EMAIL: oh@jive.eu Fax: Phone during observation: +31-521-596537 Observing mode: Notes: 1.3 cm (K-band) ftp fringe test for session 3/2022 (4096 Mbps, L+R, 2-bit sampling, 8 x 64 MHz filters) v.4: with ON6_DBBC/Od for parallel DBBC3 testing Please DO NOT use the phase cal signal. COVER LETTER: This is the schedule for the 1.3 cm K-band fringe test on 8th November 2022 involving 14 evn telescopes + eMERLIN: Jb2 Ef Mc Nt On60 T6 Ur Tr Mh Ys Hh Kt Ky Ku Cm Da Kn Pi The FTP-NME uses a standard setup at 4096 Mbps, except: Ur (2048) Cm Da Kn Pi (512) KVN can get 4Gbps via new OCTAD backend with 64MHz filters The schedule consists of long integrations on strong calibrators: Ftp-fringe tests are scheduled as follows : 11:10:00 3C345 (scan 02, 2 sec) 11:40:00 3C345 (scan 04, 4 sec) 12:10:00 3C345 (scan 06, 2 sec) 12:40:00 J2015+3710 (scan 08, 2 sec) 13:10:00 J2015+3710 (scan 10, 4 sec) 13:40:00 J2015+3710 (scan 12, 2 sec) Junghwan Oh Mattermost: coms.evlbi.org Schedule for KVNUS (Code Ku ) 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 8 Nov 2022 Day 312 --- Next scan frequencies: 22056.00 22056.00 22184.00 22184.00 22312.00 22312.00 22440.00 22440.00 22056.00 22056.00 22184.00 22184.00 22312.00 22312.00 22440.00 22440.00 Next BBC frequencies: 9144.00 9144.00 9016.00 9016.00 8888.00 8888.00 8760.00 8760.00 9144.00 9144.00 9016.00 9016.00 8888.00 8888.00 8760.00 8760.00 Next scan bandwidths: 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 11 00 00 3C345 22 47 28 21.2 -55.5 6.1 60.8 0 0 11 00 00 11 02 00 --- 22 49 29 20.9 -55.3 6.1 60.5 120 62 11 00 01 11 05 00 3C345 22 52 29 20.4 -55.0 6.1 60.1 178 62 11 05 00 11 12 00 --- 22 59 30 19.2 -54.3 6.3 59.3 420 278 11 05 01 11 17 00 3C345 23 04 31 18.4 -53.8 6.3 58.6 298 278 11 17 00 11 27 00 --- 23 14 33 16.7 -52.7 6.5 57.4 600 587 11 17 01 11 32 00 3C345 23 19 34 15.9 -52.1 6.6 56.7 298 587 11 32 00 11 42 00 --- 23 29 35 14.3 -51.0 6.8 55.4 600 897 11 32 01 11 47 00 3C345 23 34 36 13.5 -50.5 6.8 54.7 298 897 11 47 00 11 57 00 --- 23 44 38 12.0 -49.3 7.0 53.4 600 1206 11 47 01 12 02 00 J2015+3710 23 49 38 47.6 -71.3 3.6 75.5 285 1206 12 02 00 12 12 00 =2013+370 23 59 40 45.7 -70.5 3.7 74.5 600 1515 12 02 01 12 17 00 J2015+3710 00 04 41 44.7 -70.2 3.8 74.1 298 1515 12 17 00 12 27 00 =2013+370 00 14 43 42.8 -69.4 4.0 73.1 600 1824 12 17 01 12 32 00 J2015+3710 00 19 43 41.9 -69.0 4.1 72.6 298 1824 12 32 00 12 42 00 =2013+370 00 29 45 40.0 -68.2 4.2 71.6 600 2133 12 32 01 12 47 00 J2015+3710 00 34 46 39.0 -67.7 4.3 71.1 298 2133 12 47 00 12 57 00 =2013+370 00 44 48 37.1 -66.9 4.5 70.1 600 2442 12 47 01 13 02 00 J2015+3710 00 49 48 36.2 -66.5 4.6 69.6 298 2442 13 02 00 13 12 00 =2013+370 00 59 50 34.3 -65.6 4.7 68.6 600 2752 13 02 01 13 17 00 J2015+3710 01 04 51 33.4 -65.2 4.8 68.1 298 2752 13 17 00 13 27 00 =2013+370 01 14 52 31.6 -64.3 5.0 67.0 600 3061 13 17 01 13 32 00 J2015+3710 01 19 53 30.6 -63.8 5.1 66.5 298 3061 13 32 00 13 42 00 =2013+370 01 29 55 28.8 -62.9 5.2 65.5 600 3370 13 32 01 13 47 00 J2015+3710 01 34 56 27.9 -62.4 5.3 64.9 298 3370 13 47 00 13 57 00 =2013+370 01 44 57 26.1 -61.4 5.5 63.9 600 3679 13 47 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess322.K4096od --- 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: 13 Station: KVNUS Total bit rate: 4096 Format: VDIF Bits per sample: 2 Sample rate:128.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 Net SB= L U L U L U L U L U L U L U L U IF SB = L L L L L L L L L L L L L L L L Pol. = LCP LCP LCP LCP LCP LCP LCP LCP RCP RCP RCP RCP RCP RCP RCP RCP BBC = 1 1 1 1 1 1 1 1 3 3 3 3 3 3 3 3 BBC SB= U L U L U L U L U L U L U L U L IF = A A A A A A A A B B B B B B B B The following frequency sets based on these setups were used. Frequency Set: 12 Setup file default. Used with PCAL = off LO sum= 22056.00 22056.00 22184.00 22184.00 22312.00 22312.00 22440.00 22440.00 22056.00 22056.00 22184.00 22184.00 22312.00 22312.00 22440.00 22440.00 BBC fr= 9144.00 9144.00 9016.00 9016.00 8888.00 8888.00 8760.00 8760.00 9144.00 9144.00 9016.00 9016.00 8888.00 8888.00 8760.00 8760.00 Bandwd= 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 Matching frequency sets: 12 13 14 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) * 3C345 16 41 17.606229 * 16 42 58.809967 16 43 43.046398 0.79 J1642+3948 39 54 10.81492 * 39 48 36.99399 39 46 11.08891 0.59 1641+399 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J1642+39 GSFC 2016a X/S astro solution, 53724 observations. 2013+370 20 13 37.014517 * 20 15 28.729803 20 16 18.554433 0.09 * J2015+3710 37 01 44.45878 * 37 10 59.51466 37 15 23.05184 0.12 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 131 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 3C345 sess322.K4096od 1 2 3 4 5 6 7 8 9 10 12 15 + 0.650 111.150 J2015+3710 sess322.K4096od 1 2 3 4 5 6 7 8 9 10 12 15 + 1.333 227.931 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) 3C345 61.9 J2015+3710 92.7 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