COVER INFORMATION Station: KM_DBBC (Code Kd ) Experiment: DBBC2 wastro test, 64MHz filters Exp. Code: FT036 Schedule Version: 1.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Szomoru Address: JIVE Phone: +31 521 595 509 EMAIL: szomoru@jive.eu Fax: --- Phone during observation: +31 521 595 509 Observing mode: vlbi Notes: COVER LETTER: three 2-sec ftp fringe-test segments: 1: scn 2 10:10 2: scn 9 11:01 3: scn16 11:52 (1-min before end; confirmation purposes only) Schedule for KM_DBBC (Code Kd ) Page 2 DBBC2 wastro test, 64MHz filters 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 Nov 2019 Day 312 --- Next scan frequencies: 8164.49 8164.49 8164.49 8164.49 8292.49 8292.49 8292.49 8292.49 8420.49 8420.49 8420.49 8420.49 8548.49 8548.49 8548.49 8548.49 8676.49 8676.49 8676.49 8676.49 8804.49 8804.49 8804.49 8804.49 8932.49 8932.49 8932.49 8932.49 9060.49 9060.49 9060.49 9060.49 Next BBC frequencies: 64.49 64.49 64.49 64.49 192.49 192.49 192.49 192.49 320.49 320.49 320.49 320.49 448.49 448.49 448.49 448.49 576.49 576.49 576.49 576.49 704.49 704.49 704.49 704.49 832.49 832.49 832.49 832.49 960.49 960.49 960.49 960.49 Next scan bandwidths: 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 10 00 00 J1800+3848 20 00 25 61.4 -54.0 2.0 109.9 0 0 10 00 00 10 05 00 =1758+388 20 05 26 60.4 -54.6 2.1 108.5 300 309 10 00 01 10 06 00 J1800+3848 20 06 26 60.2 -54.8 2.1 108.2 58 309 10 06 00 10 11 00 =1758+388 20 11 27 59.3 -55.3 2.2 107.0 300 618 10 06 01 10 21 00 J1800+3848 20 21 28 57.4 -56.4 2.3 104.5 598 618 10 21 00 10 26 00 =1758+388 20 26 29 56.5 -56.8 2.4 103.4 300 927 10 21 01 10 27 00 J1800+3848 20 27 29 56.3 -56.9 2.4 103.1 58 927 10 27 00 10 32 00 =1758+388 20 32 30 55.3 -57.2 2.5 102.0 300 1237 10 27 01 10 33 00 J1800+3848 20 33 30 55.1 -57.3 2.5 101.8 58 1237 10 33 00 10 38 00 =1758+388 20 38 31 54.2 -57.6 2.6 100.8 300 1546 10 33 01 10 39 00 J1800+3848 20 39 31 54.0 -57.7 2.6 100.6 58 1546 10 39 00 10 44 00 =1758+388 20 44 32 53.0 -58.0 2.7 99.6 300 1855 10 39 01 10 45 00 J1800+3848 20 45 32 52.8 -58.0 2.7 99.4 58 1855 10 45 00 10 50 00 =1758+388 20 50 33 51.9 -58.3 2.8 98.4 300 2164 10 45 01 10 51 00 J1800+3848 20 51 33 51.7 -58.3 2.8 98.2 58 2164 10 51 00 10 56 00 =1758+388 20 56 34 50.7 -58.6 2.9 97.2 300 2473 10 51 01 10 57 00 J1800+3848 20 57 34 50.5 -58.6 2.9 97.0 58 2473 10 57 00 11 02 00 =1758+388 21 02 35 49.6 -58.8 3.0 96.1 300 2782 10 57 01 11 12 00 J1800+3848 21 12 37 47.6 -59.0 3.2 94.4 598 2782 11 12 00 11 17 00 =1758+388 21 17 37 46.6 -59.1 3.3 93.5 300 3092 11 12 01 11 18 00 J1800+3848 21 18 38 46.4 -59.1 3.3 93.3 58 3092 11 18 00 11 23 00 =1758+388 21 23 38 45.5 -59.2 3.4 92.5 300 3401 11 18 01 Schedule for KM_DBBC (Code Kd ) Page 3 DBBC2 wastro test, 64MHz filters 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 Nov 2019 Day 312 --- 11 24 00 J1800+3848 21 24 39 45.3 -59.2 3.4 92.3 58 3401 11 24 00 11 29 00 =1758+388 21 29 39 44.3 -59.3 3.5 91.5 300 3710 11 24 01 11 30 00 J1800+3848 21 30 40 44.1 -59.3 3.5 91.3 58 3710 11 30 00 11 35 00 =1758+388 21 35 40 43.1 -59.3 3.6 90.5 300 4019 11 30 01 11 36 00 J1800+3848 21 36 41 42.9 -59.3 3.6 90.4 58 4019 11 36 00 11 41 00 =1758+388 21 41 41 42.0 -59.3 3.7 89.6 300 4328 11 36 01 11 42 00 J1800+3848 21 42 42 41.8 -59.3 3.7 89.4 58 4328 11 42 00 11 47 00 =1758+388 21 47 42 40.8 -59.3 3.8 88.7 300 4637 11 42 01 11 48 00 J1800+3848 21 48 43 40.6 -59.3 3.8 88.5 58 4637 11 48 00 11 53 00 =1758+388 21 53 43 39.6 -59.2 3.9 87.8 300 4947 11 48 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess319.X8192 --- 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: 4 Station: KM_DBBC Total bit rate: 8192 Format: VDIF Bits per sample: 2 Sample rate:128.000 Number of channels: 32 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 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 5 1 5 2 6 2 6 3 7 3 7 4 8 4 8 9 13 9 13 10 14 10 14 11 15 11 15 12 16 12 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 = A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 C2 D2 C2 D2 C2 D2 C2 D2 C2 D2 C2 D2 C2 D2 C2 D2 The following frequency sets based on these setups were used. Frequency Set: 5 Setup file default. Used with PCAL = 5MHz LO sum= 8164.49 8164.49 8164.49 8164.49 8292.49 8292.49 8292.49 8292.49 8420.49 8420.49 8420.49 8420.49 8548.49 8548.49 8548.49 8548.49 8676.49 8676.49 8676.49 8676.49 8804.49 8804.49 8804.49 8804.49 8932.49 8932.49 8932.49 8932.49 9060.49 9060.49 9060.49 9060.49 BBC fr= 64.49 64.49 64.49 64.49 192.49 192.49 192.49 192.49 320.49 320.49 320.49 320.49 448.49 448.49 448.49 448.49 576.49 576.49 576.49 576.49 704.49 704.49 704.49 704.49 832.49 832.49 832.49 832.49 960.49 960.49 960.49 960.49 Bandwd= 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 64.00 Matching frequency sets: 5 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 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) 1758+388 17 58 44.703954 * 18 00 24.765363 18 01 02.464423 0.01 * J1800+3848 38 48 32.47350 * 38 48 30.69748 38 48 46.21709 0.01 J1800+38 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 5095 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 J1800+3848 sess319.X8192 1 2 3 4 5 6 1.333 20.000 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) J1800+3848 70.7 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