COVER INFORMATION Station: ARECIBO (Code Ar ) Experiment: Network Monitoring Experiment Exp. Code: N19L1 Schedule Version: 5.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Benito Marcote Address: JIVE Postbus 2 7990 AA Dwingeloo The Netherlands Phone: +31-521-596508 EMAIL: marcote@jive.eu Fax: Phone during observation: +31-521-596508 Observing mode: Notes: 18cm (L-band) NME and ftp fringe test for session 1/2019 (512 Mbps, L+R, 2-bit sampling, 8 MHz filters) Please send the disk pack by express to JIVE v >= 4 includes Arecibo in 1st half COVER LETTER: This is the schedule for the 18cm NME and ftp fringe-test on 8 Mar 2019 involving 14 antennas. Jb1, Wb, Ef, Mc, O8, T6, Ur, Tr, Sv, Zc, Bd, Hh, Ir, Sr, Ar, Dw. The NME uses a standard setup with 512 Mbps. The schedule consists of: - long integrations on calibrators J1824+1044, J1850+2825 and J0530+1331 for ftp-fringe tests; Ftp-fringe tests are scheduled every half hour throughout the experiment (UT times): 13:23:00 (scan 2, 2 sec, J1824+1044) 13:53:00 (scan 4, 2 sec, J1824+1044) 14:23:00 (scan 6, 2 sec, J1850+2825) 14:45:00 (scan 8, 2 sec, J0530+1331) 15:15:00 (scan 10, 2 sec, J0530+1331) 15:45:00 (scan 12, 2 sec, J0530+1331) The first three tests will include Arecibo. Good luck with the session! Benito Marcote Mattermost: coms.evlbi.org Schedule for ARECIBO (Code Ar ) 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 8 Mar 2019 Day 67 --- ---------- N18L1 ---------- Next scan frequencies: 1634.49 1634.49 1634.49 1634.49 1650.49 1650.49 1650.49 1650.49 1666.49 1666.49 1666.49 1666.49 1682.49 1682.49 1682.49 1682.49 Next BBC frequencies: 765.51 765.51 765.51 765.51 749.51 749.51 749.51 749.51 733.51 733.51 733.51 733.51 717.51 717.51 717.51 717.51 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 12 00 00 J1824+1044 18 36 37 81.9 200.8 0.2 20.1 0 0 12 00 00 12 10 00 =1821+107 18 46 38 80.8 215.4 0.4 34.0 600 38 12 00 01 12 13 00 J1824+1044 18 49 39 80.3 219.1 0.4 37.5 170 38 12 13 00 12 25 00 =1821+107 19 01 41 78.3 230.7 0.6 48.4 720 84 12 13 01 12 35 00 J1824+1044 19 11 43 76.4 237.7 0.8 54.8 588 84 12 35 00 12 40 00 =1821+107 19 16 43 75.4 240.5 0.9 57.3 300 104 12 35 01 12 43 00 J1824+1044 19 19 44 74.7 242.1 0.9 58.6 170 104 12 43 00 12 55 00 =1821+107 19 31 46 72.1 247.1 1.1 62.9 720 150 12 43 01 13 05 00 J1850+2825 19 41 47 74.6 313.4 0.8 128.3 420 150 13 05 00 13 10 00 =1848+283 19 46 48 73.8 311.0 0.9 125.4 300 169 13 05 01 13 13 00 J1850+2825 19 49 49 73.2 309.6 1.0 123.8 170 169 13 13 00 13 25 00 =1848+283 20 01 51 70.9 305.2 1.2 118.1 720 215 13 13 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess119.L512 Matching groups in /home/guest/rmc/SCHED/sched11.5/catalogs/freq_RDBE.dat: arlb5c RX=LBW, with lfbf=5, upper 300 MHz CS 15-May-06 Setup group: 4 Station: ARECIBO Total bit rate: 512 Format: MKIV1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 Net SB= L L U U L L U U L L U U L L U U IF SB = L L L L L L L L L L L L L L L L Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 1 2 3 4 3 4 5 6 5 6 7 8 7 8 BBC SB= U U L L U U L L U U L L U U L L IF = A C A C A C A C A C A C A C A C The following frequency sets based on these setups were used. Frequency Set: 16 Setup file default. Used with PCAL = off LO sum= 1634.49 1634.49 1634.49 1634.49 1650.49 1650.49 1650.49 1650.49 1666.49 1666.49 1666.49 1666.49 1682.49 1682.49 1682.49 1682.49 BBC fr= 765.51 765.51 765.51 765.51 749.51 749.51 749.51 749.51 733.51 733.51 733.51 733.51 717.51 717.51 717.51 717.51 Bandwd= 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 Matching frequency sets: 16 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27, 66, 74, 82, 90, 67, 75, 83, 91 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) 0528+134 05 28 06.759216 * 05 30 56.416746 05 32 00.663842 0.21 * J0530+1331 13 29 42.28882 * 13 31 55.14948 13 32 35.70768 0.24 J0530+13 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 138236 observations. 1821+107 18 21 41.659100 * 18 24 02.855250 18 24 55.691399 0.02 * J1824+1044 10 42 43.89908 * 10 44 23.77396 10 44 56.01307 0.04 J1824+10 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 1628 observations. 1848+283 18 48 29.069764 * 18 50 27.589822 18 51 11.679757 0.12 * J1850+2825 28 21 38.48517 * 28 25 13.15540 28 26 24.29237 0.18 J1850+28 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 71 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 J0530+1331 sess119.L512 1 2 3 4 5 6 7 8 9 10 17 18 + 1.133 253.796 J1824+1044 sess119.L512 1 2 3 4 5 6 7 8 9 10 16 0.650 55.783 J1850+2825 sess119.L512 1 2 3 4 5 6 7 8 9 10 16 17 0.283 35.333 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) J0530+1331 95.3 J1824+1044 73.8 J1850+2825 71.5 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