COVER INFORMATION Station: ONSALA60 (Code O6 ) Experiment: Network Monitoring Experiment Exp. Code: N18SX2 Schedule Version: 1.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Jay Blanchard Address: JIVE Postbus 2 7990 AA Dwingeloo The Netherlands Phone: +31-521-596508 EMAIL: blanchard@jive.eu Fax: Phone during observation: +31-521-596508 Observing mode: Notes: 3.6/13 cm (S/X-band) ftp fringe test for session 3/2018 (512 Mbps, L+R, 2-bit sampling, 16 x 8 MHz filters) This NME tests two modes, dual pol X only and single pol RCP S/X geo Please send the disk pack by express to JIVE, NO PCAL COVER LETTER: This is the schedule for the 3.6/13 cm (S/X-band) band test on 27th October 2018 12-15UT. involving 14 telescopes: Wb Ef Mc Nt O6 T6 Ur Ys Hh Sv Zc Bd Ir Wz The FTP-NME tests two modes an X only dual pol setup and a geo S/X RCP only setup. The schedule consists of long integrations on strong calibrators: Ftp-fringe tests are scheduled ~ every twenty minutes throughout the experiment: 12:10:00 J1848+3219 12:30:00 J1848+3219 12:50:00 J1848+3219 13:10:00 J1848+3219 13:30:00 J1848+3219 13:50:00 J1848+3219 14:10:00 J1848+3219 14:30:00 J1848+3219 14:50:00 J1848+3219 Clear skies! Jay Mattermost: coms.evlbi.org Schedule for ONSALA60 (Code O6 ) 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 ---------------------------------------------------------------------------------------- --- Sat 27 Oct 2018 Day 300 --- Next scan frequencies: 8383.49 8383.49 8383.49 8383.49 8399.49 8399.49 8399.49 8399.49 8415.49 8415.49 8415.49 8415.49 8431.49 8431.49 8431.49 8431.49 Next BBC frequencies: 303.49 303.49 303.49 303.49 319.49 319.49 319.49 319.49 335.49 335.49 335.49 335.49 351.49 351.49 351.49 351.49 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 J1848+3219 15 10 54 45.6 460.3 -3.6 -38.9 0 0 12 00 00 12 05 00 =1846+322 15 15 55 46.3 461.5 -3.6 -38.7 300 19 12 00 01 12 07 00 J1848+3219 15 17 56 46.6 461.9 -3.5 -38.6 115 19 12 07 00 12 20 00 =1846+322 15 30 58 48.3 465.1 -3.3 -38.0 780 70 12 07 01 12 22 00 J1848+3219 15 32 58 48.5 465.6 -3.3 -37.9 115 70 12 22 00 12 25 00 =1846+322 15 35 59 48.9 466.4 -3.2 -37.7 180 81 12 22 01 12 27 00 J1848+3219 15 37 59 49.2 466.9 -3.2 -37.6 115 81 12 27 00 12 40 00 =1846+322 15 51 01 50.8 470.3 -3.0 -36.7 780 131 12 27 01 12 42 00 J1848+3219 15 53 01 51.1 470.9 -2.9 -36.6 115 131 12 42 00 12 45 00 =1846+322 15 56 02 51.5 471.7 -2.9 -36.3 180 143 12 42 01 12 47 00 J1848+3219 15 58 02 51.7 472.2 -2.9 -36.2 115 143 12 47 00 13 00 00 =1846+322 16 11 04 53.3 475.9 -2.6 -35.0 780 193 12 47 01 13 02 00 J1848+3219 16 13 05 53.6 476.5 -2.6 -34.8 115 193 13 02 00 13 05 00 =1846+322 16 16 05 53.9 477.4 -2.5 -34.5 180 205 13 02 01 13 07 00 J1848+3219 16 18 05 54.2 478.0 -2.5 -34.3 115 205 13 07 00 13 20 00 =1846+322 16 31 08 55.7 482.0 -2.3 -32.8 780 255 13 07 01 13 22 00 J1848+3219 16 33 08 55.9 482.6 -2.3 -32.5 115 255 13 22 00 13 25 00 =1846+322 16 36 08 56.3 483.6 -2.2 -32.1 180 267 13 22 01 Next scan frequencies: 8212.99 8212.99 8252.99 8352.99 8512.99 8732.99 8852.99 8872.99 8932.99 8932.99 2225.99 2245.99 2265.99 2295.99 2345.99 2365.99 Next BBC frequencies: 132.99 132.99 172.99 272.99 432.99 652.99 772.99 792.99 852.99 852.99 205.99 225.99 245.99 275.99 325.99 345.99 13 27 00 J1848+3219 16 38 09 56.5 484.2 -2.2 -31.8 115 267 13 27 00 13 40 00 =1846+322 16 51 11 57.9 488.6 -2.0 -29.9 780 317 13 27 25 13 42 00 J1848+3219 16 53 11 58.1 489.3 -1.9 -29.6 115 317 13 42 00 13 45 00 =1846+322 16 56 12 58.4 490.3 -1.9 -29.1 180 328 13 42 01 13 47 00 J1848+3219 16 58 12 58.6 491.0 -1.8 -28.8 115 328 13 47 00 14 00 00 =1846+322 17 11 14 59.9 495.8 -1.6 -26.4 780 379 13 47 01 Schedule for ONSALA60 (Code O6 ) 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 ---------------------------------------------------------------------------------------- --- Sat 27 Oct 2018 Day 300 --- 14 02 00 J1848+3219 17 13 15 60.1 496.6 -1.6 -26.0 114 379 14 02 00 14 05 00 =1846+322 17 16 15 60.4 497.7 -1.5 -25.4 180 390 14 02 01 14 07 00 J1848+3219 17 18 15 60.5 498.5 -1.5 -25.0 114 390 14 07 00 14 20 00 =1846+322 17 31 17 61.6 503.7 -1.3 -22.2 780 441 14 07 01 14 22 00 J1848+3219 17 33 18 61.8 504.5 -1.3 -21.7 114 441 14 22 00 14 25 00 =1846+322 17 36 18 62.0 505.8 -1.2 -21.0 180 452 14 22 01 14 27 00 J1848+3219 17 38 19 62.2 506.6 -1.2 -20.5 114 452 14 27 00 14 40 00 =1846+322 17 51 21 63.1 512.3 -1.0 -17.2 780 502 14 27 01 14 42 00 J1848+3219 17 53 21 63.2 513.2 -0.9 -16.7 114 502 14 42 00 14 45 00 =1846+322 17 56 22 63.4 514.6 -0.9 -15.9 180 514 14 42 01 14 47 00 J1848+3219 17 58 22 63.5 515.5 -0.8 -15.4 114 514 14 47 00 15 00 00 =1846+322 18 11 24 64.1 521.5 -0.6 -11.7 780 564 14 47 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess318.X512 --- 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: ONSALA60 Total bit rate: 512 Format: VDIF Bits per sample: 2 Sample rate: 16.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 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 = A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 5 Setup file default. Used with PCAL = off LO sum= 8383.49 8383.49 8383.49 8383.49 8399.49 8399.49 8399.49 8399.49 8415.49 8415.49 8415.49 8415.49 8431.49 8431.49 8431.49 8431.49 BBC fr= 303.49 303.49 303.49 303.49 319.49 319.49 319.49 319.49 335.49 335.49 335.49 335.49 351.49 351.49 351.49 351.49 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: 5 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 barrel=roll_off ======== Setup file: sess318.SXgeo512 --- 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: 3 Station: ONSALA60 Total bit rate: 512 Format: VDIF Bits per sample: 2 Sample rate: 16.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 2020.00 2020.00 2020.00 2020.00 2020.00 2020.00 Net SB= L U U U U U U U L U U U U U U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP RCP RCP RCP RCP RCP RCP RCP RCP RCP RCP RCP RCP RCP RCP RCP BBC = 1 1 2 3 4 5 6 7 8 8 9 10 11 12 13 14 BBC SB= L U U U U U U U L U U U U U U U IF = A1 A1 A1 A1 A1 B1 B1 B1 B1 B1 C1 C1 C1 C1 D1 D1 The following frequency sets based on these setups were used. Frequency Set: 17 Setup file default. Used with PCAL = 1MHz LO sum= 8212.99 8212.99 8252.99 8352.99 8512.99 8732.99 8852.99 8872.99 8932.99 8932.99 2225.99 2245.99 2265.99 2295.99 2345.99 2365.99 BBC fr= 132.99 132.99 172.99 272.99 432.99 652.99 772.99 792.99 852.99 852.99 205.99 225.99 245.99 275.99 325.99 345.99 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: 17 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) 1846+322 18 46 29.612030 * 18 48 22.088573 18 49 03.053735 0.00 * J1848+3219 32 15 36.66044 * 32 19 02.60384 32 20 40.37767 0.00 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 38727 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 J1848+3219 sess318.SXgeo512 14 15 16 17 18 19 20 21 22 + 1.283 84.700 sess318.X512 1 2 3 4 5 6 7 8 9 10 1.150 89.700 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) J1848+3219 81.0 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