COVER INFORMATION Station: ZELENCHK (Code Zc ) Experiment: Network Monitoring Experiment Exp. Code: N20K1 Schedule Version: 2.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Dhanya G.Nair Address: JIVE Postbus 2 7990 AA Dwingeloo The Netherlands Phone: +31-521-596508 EMAIL: nair@jive.eu Fax: Phone during observation: +31-521-596508 Observing mode: Notes: 1.3 cm (K-band) ftp fringe test for session 1/2020 (1024 Mbps, L+R, 2-bit sampling, 16 x 16 MHz filters) Please send the disk pack by express to JIVE, NO PCAL Please DO NOT use the phase cal signal. COVER LETTER: This is the schedule for the 1.3 cm K-band fringe test on 2nd March 2020 involving 20 telescopes: Jb2 Ef On60 T6 Ur Tr Ys Hh Sv Zc Bd Sr Mh Kt Ky Ku Cm Da Kn Pi With 4 sec integration time The FTP-NME uses a standard setup at 1024 Mbps: The schedule consists of long integrations on strong calibrators: Ftp-fringe tests are scheduled every 20 min throughout the experiment: 10:18:00 J0205+3212 10:38:00 J0205+3212 10:58:00 J0205+3212 11:18:00 J0238+1636 11:38:00 J0238+1636 11:58:00 0234+285 12:18:00 0234+285 12:38:00 0234+285 12:58:00 0234+285 Clear skies! Dhanya G.Nair Skype account: jive.support.scientist Mattermost: coms.evlbi.org Schedule for ZELENCHK (Code Zc ) 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 ---------------------------------------------------------------------------------------- --- Mon 2 Mar 2020 Day 62 --- Next scan frequencies: 22187.49 22187.49 22187.49 22187.49 22219.49 22219.49 22219.49 22219.49 22251.49 22251.49 22251.49 22251.49 22283.49 22283.49 22283.49 22283.49 Next BBC frequencies: 267.49 267.49 267.49 267.49 299.49 299.49 299.49 299.49 331.49 331.49 331.49 331.49 363.49 363.49 363.49 363.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 10 00 00 J0205+3212 23 28 53 57.3 457.1 -2.6 -57.9 0 0 10 00 00 10 05 00 =0202+319 23 33 54 58.2 458.1 -2.5 -57.7 300 38 10 00 01 10 07 00 J0205+3212 23 35 54 58.6 458.6 -2.5 -57.6 114 38 10 07 00 10 20 00 =0202+319 23 48 57 60.9 461.5 -2.3 -56.8 780 138 10 07 01 10 22 45 J0205+3212 23 51 42 61.4 462.2 -2.2 -56.6 158 138 10 22 45 10 25 00 =0202+319 23 53 57 61.8 462.8 -2.2 -56.4 135 156 10 22 46 10 27 00 J0205+3212 23 55 58 62.1 463.3 -2.2 -56.2 114 156 10 27 00 10 40 00 =0202+319 00 09 00 64.4 466.7 -2.0 -54.9 780 256 10 27 01 10 42 45 J0205+3212 00 11 45 64.9 467.5 -1.9 -54.5 158 256 10 42 45 10 45 00 =0202+319 00 14 01 65.3 468.2 -1.9 -54.2 135 273 10 42 46 10 47 00 J0205+3212 00 16 01 65.6 468.8 -1.8 -54.0 113 273 10 47 00 11 00 00 =0202+319 00 29 03 67.8 473.0 -1.6 -51.9 780 373 10 47 01 11 02 00 J0205+3212 00 31 04 68.1 473.7 -1.6 -51.5 113 373 11 02 00 11 05 00 =0202+319 00 34 04 68.6 474.7 -1.5 -50.9 180 396 11 02 01 11 07 00 J0238+1636 00 36 04 52.4 486.3 -2.1 -37.4 72 396 11 07 00 11 20 00 =0235+164 00 49 06 54.2 490.5 -1.8 -35.0 780 496 11 07 01 11 22 05 J0238+1636 00 51 12 54.5 491.2 -1.8 -34.5 118 496 11 22 05 11 25 00 =0235+164 00 54 07 54.9 492.2 -1.8 -33.9 175 519 11 22 06 11 27 00 J0238+1636 00 56 08 55.2 492.9 -1.7 -33.5 113 519 11 27 00 11 40 00 =0235+164 01 09 10 56.8 497.6 -1.5 -30.5 780 619 11 27 01 11 42 00 J0238+1636 01 11 10 57.1 498.4 -1.5 -30.0 113 619 11 42 00 11 45 00 =0235+164 01 14 11 57.4 499.5 -1.4 -29.3 180 642 11 42 01 11 47 00 0234+285 01 16 11 67.7 485.1 -1.4 -42.4 80 642 11 47 00 12 00 00 --- 01 29 13 69.6 491.1 -1.2 -38.4 780 742 11 47 01 12 02 00 0234+285 01 31 13 69.9 492.1 -1.1 -37.7 113 742 12 02 00 12 05 00 --- 01 34 14 70.3 493.7 -1.1 -36.6 180 765 12 02 01 Schedule for ZELENCHK (Code Zc ) Page 3 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 ---------------------------------------------------------------------------------------- --- Mon 2 Mar 2020 Day 62 --- 12 07 00 0234+285 01 36 14 70.5 494.7 -1.0 -35.9 112 765 12 07 00 12 20 00 --- 01 49 16 72.1 502.2 -0.8 -30.4 780 865 12 07 01 12 22 00 0234+285 01 51 17 72.3 503.4 -0.8 -29.4 112 865 12 22 00 12 25 00 --- 01 54 17 72.6 505.3 -0.7 -28.0 180 888 12 22 01 12 27 00 0234+285 01 56 17 72.8 506.6 -0.7 -27.0 112 888 12 27 00 12 40 00 --- 02 09 20 74.0 515.8 -0.5 -19.7 780 988 12 27 01 12 42 00 0234+285 02 11 20 74.1 517.3 -0.5 -18.5 112 988 12 42 00 12 45 00 --- 02 14 20 74.3 519.6 -0.4 -16.7 180 1011 12 42 01 12 47 00 0234+285 02 16 21 74.4 521.2 -0.4 -15.4 112 1011 12 47 00 13 00 00 --- 02 29 23 75.0 531.8 -0.2 -6.7 780 1111 12 47 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess120.K1024 Matching groups in /home/guest/rmc/SCHED/sched11.5/catalogs/freq_RDBE.dat: kvzr_k Added by Des Small, 24 February 2012 Setup group: 2 Station: ZELENCHK Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 9 Setup file default. Used with PCAL = off LO sum= 22187.49 22187.49 22187.49 22187.49 22219.49 22219.49 22219.49 22219.49 22251.49 22251.49 22251.49 22251.49 22283.49 22283.49 22283.49 22283.49 BBC fr= 267.49 267.49 267.49 267.49 299.49 299.49 299.49 299.49 331.49 331.49 331.49 331.49 363.49 363.49 363.49 363.49 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 9 10 11 Track assignments are: track1= 18, 26, 2, 10, 20, 28, 4, 12, 22, 30, 6, 14, 24, 32, 8, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) 0202+319 02 02 09.652800 * 02 05 04.925362 02 06 13.714633 0.00 * J0205+3212 31 58 10.39522 * 32 12 30.09544 32 18 10.65415 0.00 J0205+32 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 49141 observations. * 0234+285 02 34 55.589590 * 02 37 52.405677 02 39 01.986830 0.00 J0237+2848 28 35 11.40773 * 28 48 08.98999 28 53 16.22933 0.00 J0237+28 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 58420 observations. 0235+164 02 35 52.630214 * 02 38 38.930106 02 39 44.342468 0.12 * J0238+1636 16 24 04.01612 * 16 36 59.27454 16 42 01.81891 0.16 J0238+16 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 64441 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 J0205+3212 sess120.K1024 1 2 3 4 5 6 7 8 9 12 13 14 + 0.858 163.083 0234+285 sess120.K1024 1 2 3 4 5 6 7 8 9 12 13 14 + 1.017 193.167 J0238+1636 sess120.K1024 1 2 3 4 5 6 7 8 9 12 13 14 + 0.532 98.126 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) J0205+3212 60.1 0234+285 64.7 J0238+1636 60.4 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