COVER INFORMATION Station: KVNTN (Code Kt ) Experiment: Network Monitoring Experiment Exp. Code: N19K2 Schedule Version: 1.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Dhanya 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 2/2019 (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 June 10 2019 involving 18 telescopes:Jb2 Ef Mc Nt On60 T6 Ur Tr Ys Hh Sv Zc Bd Sr Mh Kt Ky Ku 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 half hour throughout the experiment: 13:18:00 J1058+0133 13:38:00 J1159+2914 13:58:00 J1159+2914 14:18:00 J1159+2914 14:38:00 J1159+2914 14:58:00 J1159+2914 15:18:00 J1159+2914 15:38:00 J1159+2914 15:58:00 J1159+2914 Clear skies! Dhanya Nair Skype account: jive.support.scientist Mattermost: coms.evlbi.org Schedule for KVNTN (Code Kt ) 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 10 Jun 2019 Day 161 --- 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: 9012.51 9012.51 9012.51 9012.51 8980.51 8980.51 8980.51 8980.51 8948.51 8948.51 8948.51 8948.51 8916.51 8916.51 8916.51 8916.51 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 13 00 00 J1058+0133 14 40 14 29.4 250.4 3.7 52.0 0 0 13 00 00 13 05 00 =1055+018 14 45 15 28.4 251.3 3.8 52.4 300 38 13 00 01 13 07 00 J1058+0133 14 47 15 28.0 251.6 3.8 52.5 118 38 13 07 00 13 20 00 =1055+018 15 00 17 25.4 253.8 4.0 53.4 780 138 13 07 01 13 22 45 J1159+2914 15 03 03 51.1 276.6 3.0 71.9 153 138 13 22 45 13 25 00 =1156+295 15 05 18 50.6 276.8 3.1 71.9 135 156 13 22 46 13 27 00 J1159+2914 15 07 18 50.2 277.0 3.1 71.8 118 156 13 27 00 13 40 00 =1156+295 15 20 20 47.5 278.4 3.3 71.2 780 256 13 27 01 13 42 45 J1159+2914 15 23 06 46.9 278.7 3.4 71.1 163 256 13 42 45 13 45 00 =1156+295 15 25 21 46.4 278.9 3.4 71.0 135 273 13 42 46 13 47 00 J1159+2914 15 27 22 46.0 279.1 3.4 70.9 118 273 13 47 00 14 00 00 =1156+295 15 40 24 43.3 280.4 3.7 70.3 780 373 13 47 01 14 02 00 J1159+2914 15 42 24 42.9 280.7 3.7 70.1 118 373 14 02 00 14 05 00 =1156+295 15 45 24 42.3 281.0 3.7 70.0 180 396 14 02 01 14 07 00 J1159+2914 15 47 25 41.9 281.2 3.8 69.9 118 396 14 07 00 14 20 00 =1156+295 16 00 27 39.2 282.5 4.0 69.1 780 496 14 07 01 14 22 05 J1159+2914 16 02 32 38.8 282.7 4.0 69.0 123 496 14 22 05 14 25 00 =1156+295 16 05 28 38.2 283.0 4.1 68.8 175 519 14 22 06 14 27 00 J1159+2914 16 07 28 37.8 283.2 4.1 68.7 118 519 14 27 00 14 40 00 =1156+295 16 20 30 35.2 284.5 4.3 67.9 780 619 14 27 01 14 42 00 J1159+2914 16 22 31 34.8 284.7 4.4 67.8 118 619 14 42 00 14 45 00 =1156+295 16 25 31 34.1 285.0 4.4 67.6 180 642 14 42 01 14 47 00 J1159+2914 16 27 31 33.7 285.2 4.5 67.5 118 642 14 47 00 15 00 00 =1156+295 16 40 34 31.1 286.5 4.7 66.6 780 742 14 47 01 15 02 00 J1159+2914 16 42 34 30.7 286.7 4.7 66.4 118 742 15 02 00 15 05 00 =1156+295 16 45 34 30.1 287.0 4.8 66.2 180 765 15 02 01 Schedule for KVNTN (Code Kt ) 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 10 Jun 2019 Day 161 --- 15 07 00 J1159+2914 16 47 35 29.7 287.2 4.8 66.1 118 765 15 07 00 15 20 00 =1156+295 17 00 37 27.1 288.6 5.0 65.1 780 865 15 07 01 15 22 00 J1159+2914 17 02 37 26.7 288.8 5.0 65.0 118 865 15 22 00 15 25 00 =1156+295 17 05 38 26.1 289.1 5.1 64.8 180 888 15 22 01 15 27 00 J1159+2914 17 07 38 25.7 289.3 5.1 64.6 118 888 15 27 00 15 40 00 =1156+295 17 20 40 23.2 290.6 5.3 63.6 780 988 15 27 01 15 42 00 J1159+2914 17 22 40 22.8 290.9 5.4 63.4 118 988 15 42 00 15 45 00 =1156+295 17 25 41 22.2 291.2 5.4 63.2 180 1011 15 42 01 15 47 00 J1159+2914 17 27 41 21.8 291.4 5.5 63.0 118 1011 15 47 00 16 00 00 =1156+295 17 40 43 19.3 292.8 5.7 61.9 780 1111 15 47 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess219.K1024 --- 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: 17 Station: KVNTN 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= 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 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 = 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 BBC SB= U U L L U U L L U U L L U U L L IF = D C D C D C D C D C D C D C D C The following frequency sets based on these setups were used. Frequency Set: 16 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= 9012.51 9012.51 9012.51 9012.51 8980.51 8980.51 8980.51 8980.51 8948.51 8948.51 8948.51 8948.51 8916.51 8916.51 8916.51 8916.51 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: 16 17 18 Track assignments are: track1= 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) 1055+018 10 55 55.313730 * 10 58 29.605208 10 59 28.410810 0.01 * J1058+0133 01 50 03.53722 * 01 33 58.82372 01 27 47.48638 0.01 J1058+01 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 8263 observations. 1156+295 11 56 57.786211 * 11 59 31.833912 12 00 30.730578 0.00 * J1159+2914 29 31 25.73880 * 29 14 43.82690 29 08 29.21067 0.00 J1159+29 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 78215 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 J1058+0133 sess219.K1024 1 2 3 4 5 6 7 8 9 10 11 15 + 0.300 51.300 J1159+2914 sess219.K1024 1 2 3 4 5 6 7 8 9 10 11 15 + 2.107 360.288 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) J1058+0133 86.1 J1159+2914 88.4 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