COVER INFORMATION Station: KVNUS (Code Ku ) Experiment: Network Monitoring Experiment Exp. Code: N23K2 Schedule Version: 2.00 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 3/2023 (4096 Mbps, L+R, 2-bit sampling, 8 x 64 MHz filters) Please DO NOT use the phase cal signal. COVER LETTER: This is the schedule for the 1.3 cm K-band fringe test on 7th November 2023 involving 11 evn telescopes + 4 eMERLIN: Jb2 Ef Mc On60 T6 Ur Tr Mh 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 ! ON6_DBBC/Od for parallel DBBC3 testing The schedule consists of long integrations on strong calibrators: Ftp-fringe tests are scheduled as follows : 15:13:00 3C345 (scan 02, 2 sec) 15:43:00 3C345 (scan 04, 2 sec) 16:13:00 3C345 (scan 06, 2 sec) 16:48:00 J2015+3710 (scan 08, 2 sec) 17:18:00 J2015+3710 (scan 10, 2 sec) 17:48:00 J2015+3710 (scan 12, 2 sec) 17:58:00 J2015+3710 (scan 13, 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 7 Nov 2023 Day 311 --- 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 15 00 00 3C454.3 02 43 14 36.0 264.6 3.8 57.6 0 0 15 00 00 15 05 00 --- 02 48 15 35.0 265.4 3.9 57.7 300 155 15 00 01 15 10 00 3C454.3 02 53 16 34.0 266.2 4.0 57.8 298 155 15 10 00 15 15 00 --- 02 58 16 33.0 267.0 4.1 57.8 300 309 15 10 01 15 20 00 3C454.3 03 03 17 32.0 267.7 4.1 57.9 298 309 15 20 00 15 30 00 --- 03 13 19 29.9 269.2 4.3 57.9 600 618 15 20 01 15 35 00 3C454.3 03 18 20 28.9 270.0 4.4 58.0 298 618 15 35 00 15 45 00 --- 03 28 21 26.9 271.4 4.6 57.9 600 927 15 35 01 15 50 00 3C454.3 03 33 22 25.8 272.1 4.6 57.9 298 927 15 50 00 16 00 00 --- 03 43 24 23.8 273.5 4.8 57.8 600 1237 15 50 01 16 05 00 3C454.3 03 48 25 22.8 274.2 4.9 57.7 298 1237 16 05 00 16 15 00 --- 03 58 26 20.7 275.6 5.1 57.5 600 1546 16 05 01 16 25 00 0133+476 04 08 28 59.8 306.0 2.5 100.3 583 1546 16 25 00 16 35 00 --- 04 18 29 58.1 305.5 2.7 98.0 600 1855 16 25 01 16 40 00 0133+476 04 23 30 57.3 305.2 2.8 96.9 298 1855 16 40 00 16 50 00 --- 04 33 32 55.6 304.9 2.9 94.8 600 2164 16 40 01 16 55 00 0133+476 04 38 33 54.8 304.8 3.0 93.8 298 2164 16 55 00 17 05 00 --- 04 48 34 53.1 304.7 3.2 91.8 600 2473 16 55 01 17 10 00 0133+476 04 53 35 52.3 304.7 3.3 90.9 298 2473 17 10 00 17 20 00 --- 05 03 37 50.6 304.7 3.4 89.0 600 2782 17 10 01 17 25 00 0133+476 05 08 38 49.7 304.7 3.5 88.1 298 2782 17 25 00 17 35 00 --- 05 18 39 48.1 304.8 3.7 86.3 600 3092 17 25 01 17 40 00 0133+476 05 23 40 47.2 304.9 3.8 85.5 298 3092 17 40 00 17 50 00 --- 05 33 42 45.6 305.1 3.9 83.8 600 3401 17 40 01 17 55 00 0133+476 05 38 43 44.7 305.3 4.0 82.9 298 3401 17 55 00 18 00 00 --- 05 43 43 43.9 305.4 4.1 82.1 300 3555 17 55 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess323.K4096 --- 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: 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: 9 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: 9 10 11 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) * 0133+476 01 33 55.103060 * 01 36 58.594805 01 38 27.176768 0.00 J0136+4751 47 36 12.85364 * 47 51 29.10003 47 58 54.61180 0.00 J0136+47 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 193511 observations. * 3C454.3 22 51 29.519739 * 22 53 57.747939 22 55 08.436328 0.65 J2253+1608 15 52 54.34808 * 16 08 53.56091 16 16 37.25575 0.73 2251+158 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J2253+16 GSFC 2016a X/S astro solution, 41272 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 0133+476 sess323.K4096 1 2 3 4 5 6 7 9 12 1.083 113.750 3C454.3 sess323.K4096 1 2 3 4 5 6 7 9 12 0.833 87.500 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) 0133+476 145.1 3C454.3 123.8 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