COVER INFORMATION Station: KNOCKIN (Code Kn ) Experiment: Network Monitoring Experiment Exp. Code: N21L2 Schedule Version: 1.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Benito Marcote Address: JIVE Oude Hoogeveensedijk 4 7991PD Dwingeloo The Netherlands Phone: +31 521 596 508 EMAIL: marcote@jive.eu Fax: Phone during observation: +31 521 596 508 Observing mode: Notes: 18cm NME and ftp fringe test for Session 2 2021 (1024 Mbps, L+R, 2-bit sampling, 32 MHz filters) Please send the disk pack by express to JIVE COVER LETTER: This is the schedule for the 18cm NME and ftp fringe-test on 27 May 2021 involving the following antennas: Jb1, Wb, Ef, Mc, Nt, On85, T6, Ur, Tr, Hh, Sv, Zc, Bd, Ir, Sr, Cm, Da, De, Kn, Pi. The NME uses a standard setup with 1024 Mbps. The schedule consists of long integrations on calibrators J0956+2515. The following ftp-fringe tests are scheduled throughout the experiment (UT times): 12:10:00 (scan 2, 2 sec, J0956+2515) 12:40:00 (scan 4, 2 sec, J0956+2515) 13:10:00 (scan 6, 2 sec, J0956+2515) 13:40:00 (scan 8, 2 sec, J0956+2515) 14:10:00 (scan 10, 2 sec, J0956+2515) 14:40:00 (scan 12, 2 sec, J0956+2515) Good luck with the session! Benito Marcote Mattermost: coms.evlbi.org Schedule for KNOCKIN (Code Kn ) 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 27 May 2021 Day 147 --- Next scan frequencies: 1626.49 1626.49 Next BBC frequencies: 645.51 645.51 Next scan bandwidths: 64.00 64.00 12 00 00 J0956+2515 04 09 05 21.4 76.2 -5.8 -40.4 0 0 12 00 00 12 02 00 =OK290 04 11 05 21.7 76.6 -5.8 -40.5 120 8 12 00 01 12 07 00 J0956+2515 04 16 06 22.4 77.5 -5.7 -40.7 295 8 12 07 00 12 12 00 =OK290 04 21 07 23.2 78.4 -5.6 -40.9 300 27 12 07 01 12 15 00 J0956+2515 04 24 07 23.6 79.0 -5.6 -41.0 175 27 12 15 00 12 27 00 =OK290 04 36 09 25.4 81.2 -5.4 -41.3 720 73 12 15 01 12 30 00 J0956+2515 04 39 09 25.9 81.8 -5.3 -41.4 175 73 12 30 00 12 42 00 =OK290 04 51 11 27.7 84.1 -5.1 -41.6 720 120 12 30 01 12 45 00 J0956+2515 04 54 12 28.1 84.7 -5.1 -41.7 175 120 12 45 00 12 57 00 =OK290 05 06 14 29.9 87.0 -4.9 -41.8 720 166 12 45 01 13 00 00 J0956+2515 05 09 14 30.4 87.6 -4.8 -41.9 175 166 13 00 00 13 12 00 =OK290 05 21 16 32.2 89.9 -4.6 -41.9 720 213 13 00 01 13 15 00 J0956+2515 05 24 17 32.7 90.5 -4.6 -41.9 175 213 13 15 00 13 27 00 =OK290 05 36 19 34.5 93.0 -4.4 -41.9 720 259 13 15 01 13 30 00 J0956+2515 05 39 19 34.9 93.6 -4.3 -41.8 175 259 13 30 00 13 42 00 =OK290 05 51 21 36.8 96.1 -4.1 -41.6 720 305 13 30 01 13 45 00 J0956+2515 05 54 22 37.2 96.7 -4.1 -41.6 175 305 13 45 00 13 57 00 =OK290 06 06 24 39.0 99.3 -3.9 -41.2 720 352 13 45 01 14 00 00 J0956+2515 06 09 24 39.5 100.0 -3.8 -41.1 175 352 14 00 00 14 12 00 =OK290 06 21 26 41.2 102.7 -3.6 -40.7 720 398 14 00 01 14 15 00 J0956+2515 06 24 27 41.7 103.4 -3.6 -40.5 174 398 14 15 00 14 27 00 =OK290 06 36 29 43.4 106.2 -3.4 -39.9 720 444 14 15 01 14 30 00 J0956+2515 06 39 29 43.9 106.9 -3.3 -39.7 174 444 14 30 00 14 42 00 =OK290 06 51 31 45.6 109.9 -3.1 -38.9 720 491 14 30 01 14 45 00 J0956+2515 06 54 32 46.0 110.6 -3.1 -38.7 174 491 14 45 00 14 57 00 =OK290 07 06 34 47.7 113.8 -2.9 -37.7 720 537 14 45 01 14 58 00 J0956+2515 07 07 34 47.8 114.0 -2.8 -37.6 55 537 14 58 00 15 00 00 =OK290 07 09 34 48.1 114.6 -2.8 -37.4 120 545 14 58 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess221.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: 18 Station: KNOCKIN 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: 16 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: 16 17 18 19 20 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) OK290 09 53 59.738482 * 09 56 49.875376 09 58 01.250003 0.41 * J0956+2515 25 29 33.58581 * 25 15 16.04991 25 09 19.59708 0.37 0953+254 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0956+25 GSFC 2016a X/S astro solution, 26975 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 J0956+2515 sess221.L1024 1 2 3 4 5 6 7 8 9 10 11 14 + 2.350 446.500 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) J0956+2515 76.7 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