COVER INFORMATION Station: RAEGYEB (Code Yj ) Experiment: 4-station 4Gbps test Exp. Code: FT031 Schedule Version: 2.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Szomoru Address: ASTRON Oude Hoogeveensedijk 4 Dwingeloo Netherlands Phone: +31 521 595 509 EMAIL: szomoru@jive.eu Fax: +31 521 596 539 Phone during observation: +31 521 595 509 Observing mode: realtime e-vlbi Notes: from ft030; some LOs changed; Ef,T6 added v2: 8 BBCs per IF, only USB; T6 16 dual-sideband in 2 IFs v3: revert to 16 dual-sideband BBCs in 2 IFs (which IFs station-dependent) Schedule for RAEGYEB (Code Yj ) Page 2 4-station 4Gbps test 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 14 Mar 2019 Day 73 --- Next scan frequencies: 4532.99 4532.99 4532.99 4532.99 4596.99 4596.99 4596.99 4596.99 4660.99 4660.99 4660.99 4660.99 4724.99 4724.99 4724.99 4724.99 4788.99 4788.99 4788.99 4788.99 4852.99 4852.99 4852.99 4852.99 4916.99 4916.99 4916.99 4916.99 4980.99 4980.99 4980.99 4980.99 Next BBC frequencies: 532.99 532.99 532.99 532.99 596.99 596.99 596.99 596.99 660.99 660.99 660.99 660.99 724.99 724.99 724.99 724.99 788.99 788.99 788.99 788.99 852.99 852.99 852.99 852.99 916.99 916.99 916.99 916.99 980.99 980.99 980.99 980.99 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 10 00 00 0234+285 21 14 36 24.6 432.1 -5.4 -55.7 0 0 10 00 00 10 09 30 --- 21 24 07 26.4 433.4 -5.2 -56.3 570 294 10 00 01 10 10 00 0234+285 21 24 37 26.5 433.5 -5.2 -56.3 28 294 10 10 00 10 19 30 --- 21 34 09 28.2 434.8 -5.1 -56.9 570 587 10 10 01 10 20 00 0234+285 21 34 39 28.3 434.8 -5.1 -56.9 28 587 10 20 00 10 29 30 --- 21 44 11 30.0 436.1 -4.9 -57.4 570 881 10 20 01 10 30 00 0234+285 21 44 41 30.1 436.2 -4.9 -57.5 28 881 10 30 00 10 39 30 --- 21 54 12 31.9 437.5 -4.7 -57.9 570 1175 10 30 01 10 40 00 0234+285 21 54 42 32.0 437.6 -4.7 -58.0 28 1175 10 40 00 10 49 30 --- 22 04 14 33.8 438.9 -4.6 -58.4 570 1469 10 40 01 10 50 00 0234+285 22 04 44 33.9 438.9 -4.6 -58.4 28 1469 10 50 00 10 59 30 --- 22 14 16 35.6 440.3 -4.4 -58.8 570 1762 10 50 01 11 00 00 0234+285 22 14 46 35.7 440.3 -4.4 -58.8 28 1762 11 00 00 11 09 30 --- 22 24 17 37.5 441.7 -4.2 -59.2 570 2056 11 00 01 11 10 00 0234+285 22 24 47 37.6 441.7 -4.2 -59.2 28 2056 11 10 00 11 19 30 --- 22 34 19 39.4 443.1 -4.1 -59.5 570 2350 11 10 01 11 20 00 0234+285 22 34 49 39.5 443.2 -4.1 -59.5 28 2350 11 20 00 11 29 30 --- 22 44 21 41.3 444.6 -3.9 -59.8 570 2643 11 20 01 11 30 00 0234+285 22 44 51 41.4 444.6 -3.9 -59.8 28 2643 11 30 00 11 39 30 --- 22 54 22 43.2 446.0 -3.7 -60.0 570 2937 11 30 01 11 40 00 0234+285 22 54 52 43.3 446.1 -3.7 -60.0 28 2937 11 40 00 11 49 30 --- 23 04 24 45.1 447.6 -3.6 -60.2 570 3231 11 40 01 Schedule for RAEGYEB (Code Yj ) Page 3 4-station 4Gbps test 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 14 Mar 2019 Day 73 --- 11 50 00 0234+285 23 04 54 45.2 447.6 -3.6 -60.2 28 3231 11 50 00 11 59 30 --- 23 14 25 47.0 449.1 -3.4 -60.2 570 3524 11 50 01 12 00 00 0234+285 23 14 56 47.1 449.2 -3.4 -60.2 28 3524 12 00 00 12 09 30 --- 23 24 27 48.9 450.8 -3.2 -60.2 570 3818 12 00 01 12 10 00 0234+285 23 24 57 49.0 450.9 -3.2 -60.2 28 3818 12 10 00 12 19 30 --- 23 34 29 50.8 452.5 -3.1 -60.1 570 4112 12 10 01 12 20 00 0234+285 23 34 59 50.9 452.6 -3.1 -60.1 28 4112 12 20 00 12 29 30 --- 23 44 30 52.7 454.2 -2.9 -60.0 570 4406 12 20 01 12 30 00 0234+285 23 45 00 52.8 454.3 -2.9 -60.0 28 4406 12 30 00 12 39 30 --- 23 54 32 54.6 456.1 -2.7 -59.7 570 4699 12 30 01 12 40 00 0234+285 23 55 02 54.7 456.2 -2.7 -59.7 28 4699 12 40 00 12 49 30 --- 00 04 34 56.5 458.1 -2.6 -59.3 570 4993 12 40 01 12 50 00 0234+285 00 05 04 56.6 458.2 -2.6 -59.2 28 4993 12 50 00 12 59 30 --- 00 14 35 58.4 460.2 -2.4 -58.7 570 5287 12 50 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: 1ess119.C4096 --- 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: 1 Station: RAEGYEB Total bit rate: 4096 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 32 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 Net SB= L L U U L L U U L L U U L L U U 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 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 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 5 13 5 13 6 14 6 14 7 15 7 15 8 16 8 16 BBC SB= L L U U L L U U L L U U L L U U L L U U L L U U L L U U L L U U IF = A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 2 Setup file default. Used with PCAL = 5MHz LO sum= 4532.99 4532.99 4532.99 4532.99 4596.99 4596.99 4596.99 4596.99 4660.99 4660.99 4660.99 4660.99 4724.99 4724.99 4724.99 4724.99 4788.99 4788.99 4788.99 4788.99 4852.99 4852.99 4852.99 4852.99 4916.99 4916.99 4916.99 4916.99 4980.99 4980.99 4980.99 4980.99 BBC fr= 532.99 532.99 532.99 532.99 596.99 596.99 596.99 596.99 660.99 660.99 660.99 660.99 724.99 724.99 724.99 724.99 788.99 788.99 788.99 788.99 852.99 852.99 852.99 852.99 916.99 916.99 916.99 916.99 980.99 980.99 980.99 980.99 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 2 3 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * 0234+285 02 34 55.589590 * 02 37 52.405677 02 38 58.459862 0.00 J0237+2848 28 35 11.40773 * 28 48 08.98999 28 52 58.23050 0.00 J0237+28 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 58420 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 0234+285 sess119.C4096 1 2 4 2.850 17.100 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) 0234+285 53.8 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