COVER INFORMATION Station: KVNTN (Code Kt ) Experiment: Network Monitoring Experiment Exp. Code: N24K2 Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Gabor Orosz Address: JIVE Oude Hoogeveensedijk 4 Dwingeloo Netherlands Phone: +31 521 596 530 EMAIL: orosz@jive.eu Fax: Phone during observation: +31 521 596 530 Observing mode: vlbi Notes: K-band (1.3cm) NME and ftp fringe test for Session 2, 2024. 2048 Mbps, L+R, 2-bit sampling, 16 BBC, 32 MHz filters v2: adds KVNPC COVER LETTER: This is the schedule for the 1.3cm NME FTP-FT on June 4, 2024 involving the following 12 antennas: Jb2, Ef, Mc, On60, Tr, Mh, Ys, Hh, Sr, Kt, Ky, Ku. The NME uses a standard 2 Gbps setup (16BBC/32MHz/dual). The NME lasts for 3 hours (04/06,12-15UT) with scans on calibrators: J0854+2006, J1043+2408, J1159+2914, and J1207+2754 (pref), where the final source will be used for testing phase referencing. J0854+2006 -- https://obs.vlba.nrao.edu/cst/calibsource/6716 J1043+2408 -- https://obs.vlba.nrao.edu/cst/calibsource/8097 J1159+2914 -- https://obs.vlba.nrao.edu/cst/calibsource/9104 J1207+2754 -- https://obs.vlba.nrao.edu/cst/calibsource/9205 Data grabs for testing will be at the following times (in UT): 12:10:00 (scan 2, 2 sec, J0854+2006) 12:40:00 (scan 4, 2 sec, J0854+2006) 13:10:00 (scan 6, 2 sec, J0854+2006) 13:40:00 (scan 8, 2 sec, J1043+2408) 14:10:00 (scan 10, 2 sec, J1159+2914) 14:40:00 (scan 20, 2 sec, J1159+2914) 14:59:00 (scan 30, 2 sec, J1159+2914) -- Gabor Orosz 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 ---------------------------------------------------------------------------------------- --- Tue 4 Jun 2024 Day 156 --- Next scan frequencies: 22172.00 22172.00 22236.00 22236.00 22300.00 22300.00 22364.00 22364.00 22172.00 22172.00 22236.00 22236.00 22300.00 22300.00 22364.00 22364.00 Next BBC frequencies: 11828.00 11828.00 11764.00 11764.00 11700.00 11700.00 11636.00 11636.00 11828.00 11828.00 11764.00 11764.00 11700.00 11700.00 11636.00 11636.00 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 12 00 00 J0854+2006 13 19 31 30.6 -85.0 4.4 62.4 0 0 12 00 00 12 02 00 =OJ287 13 21 32 30.2 -84.7 4.4 62.4 120 31 12 00 01 12 07 00 J0854+2006 13 26 32 29.2 -84.1 4.5 62.2 298 31 12 07 00 12 12 00 =OJ287 13 31 33 28.1 -83.5 4.6 62.1 300 108 12 07 01 12 17 00 J0854+2006 13 36 34 27.1 -82.9 4.7 62.0 298 108 12 17 00 12 27 00 =OJ287 13 46 36 25.0 -81.6 4.8 61.7 600 263 12 17 01 12 32 00 J0854+2006 13 51 37 24.0 -81.0 4.9 61.5 298 263 12 32 00 12 42 00 =OJ287 14 01 38 21.9 -79.8 5.1 61.1 600 417 12 32 01 12 47 00 J0854+2006 14 06 39 20.9 -79.2 5.2 60.9 298 417 12 47 00 12 57 00 =OJ287 14 16 41 18.8 -77.9 5.3 60.5 600 572 12 47 01 13 02 00 J0854+2006 14 21 41 17.8 -77.3 5.4 60.2 298 572 13 02 00 13 12 00 =OJ287 14 31 43 15.8 -76.1 5.6 59.7 600 727 13 02 01 13 17 00 J1043+2408 14 36 44 38.9 -84.5 3.9 65.6 289 727 13 17 00 13 27 00 =1040+244 14 46 46 36.8 -83.3 4.0 65.3 600 881 13 17 01 13 32 00 J1043+2408 14 51 46 35.7 -82.7 4.1 65.2 298 881 13 32 00 13 42 00 =1040+244 15 01 48 33.7 -81.5 4.3 64.8 600 1036 13 32 01 13 50 00 J1159+2914 15 09 49 49.7 -82.8 3.2 71.7 471 1036 13 50 00 14 00 00 =1156+295 15 19 51 47.6 -81.7 3.3 71.2 600 1190 13 50 01 14 05 00 J1159+2914 15 24 52 46.6 -81.2 3.4 71.0 298 1190 14 05 00 14 15 00 =1156+295 15 34 53 44.5 -80.2 3.6 70.5 600 1345 14 05 01 14 16 00 J1159+2914 15 35 54 44.3 -80.1 3.6 70.5 58 1345 14 16 00 14 17 00 =1156+295 15 36 54 44.1 -80.0 3.6 70.4 60 1360 14 16 01 14 17 00 J1207+2754 15 36 54 45.3 -82.6 3.5 69.5 -4 1360 No stop 14 18 15 =1204+281 15 38 09 45.0 -82.4 3.5 69.5 71 1380 14 17 01 14 18 15 J1159+2914 15 38 09 43.9 -79.8 3.6 70.4 -4 1380 No stop 14 19 30 =1156+295 15 39 24 43.6 -79.7 3.6 70.3 71 1399 14 18 16 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 ---------------------------------------------------------------------------------------- --- Tue 4 Jun 2024 Day 156 --- 14 19 30 J1207+2754 15 39 24 44.8 -82.3 3.5 69.4 -4 1399 No stop 14 20 45 =1204+281 15 40 39 44.5 -82.2 3.5 69.4 71 1418 14 19 31 14 20 45 J1159+2914 15 40 39 43.3 -79.6 3.7 70.2 -4 1418 No stop 14 22 00 =1156+295 15 41 55 43.1 -79.5 3.7 70.2 71 1438 14 20 46 14 22 00 J1207+2754 15 41 55 44.3 -82.0 3.6 69.3 -4 1438 No stop 14 23 15 =1204+281 15 43 10 44.0 -81.9 3.6 69.3 71 1457 14 22 01 14 23 15 J1159+2914 15 43 10 42.8 -79.3 3.7 70.1 -4 1457 No stop 14 24 30 =1156+295 15 44 25 42.6 -79.2 3.7 70.0 71 1476 14 23 16 14 24 30 J1207+2754 15 44 25 43.7 -81.7 3.6 69.2 -4 1476 No stop 14 25 45 =1204+281 15 45 40 43.5 -81.6 3.6 69.2 71 1496 14 24 31 14 25 45 J1159+2914 15 45 40 42.3 -79.1 3.7 70.0 -4 1496 No stop 14 27 00 =1156+295 15 46 55 42.0 -79.0 3.8 69.9 71 1515 14 25 46 14 32 00 J1159+2914 15 51 56 41.0 -78.4 3.9 69.6 298 1515 14 32 00 14 42 00 =1156+295 16 01 58 39.0 -77.4 4.0 69.0 600 1669 14 32 01 14 43 00 J1159+2914 16 02 58 38.8 -77.3 4.0 69.0 58 1669 14 43 00 14 44 00 =1156+295 16 03 58 38.6 -77.2 4.1 68.9 60 1685 14 43 01 14 44 00 J1207+2754 16 03 58 39.7 -79.7 3.9 68.4 -4 1685 No stop 14 45 15 =1204+281 16 05 13 39.4 -79.5 3.9 68.3 71 1704 14 44 01 14 45 15 J1159+2914 16 05 13 38.3 -77.1 4.1 68.9 -4 1704 No stop 14 46 30 =1156+295 16 06 29 38.1 -77.0 4.1 68.8 71 1724 14 45 16 14 46 30 J1207+2754 16 06 29 39.2 -79.4 4.0 68.2 -4 1724 No stop 14 47 45 =1204+281 16 07 44 38.9 -79.3 4.0 68.2 71 1743 14 46 31 14 47 45 J1159+2914 16 07 44 37.8 -76.9 4.1 68.7 -4 1743 No stop 14 49 00 =1156+295 16 08 59 37.5 -76.7 4.1 68.6 71 1762 14 47 46 14 49 00 J1207+2754 16 08 59 38.7 -79.1 4.0 68.1 -4 1762 No stop 14 50 15 =1204+281 16 10 14 38.4 -79.0 4.0 68.0 71 1782 14 49 01 14 50 15 J1159+2914 16 10 14 37.3 -76.6 4.2 68.6 -4 1782 No stop 14 51 30 =1156+295 16 11 29 37.0 -76.5 4.2 68.5 71 1801 14 50 16 14 51 30 J1207+2754 16 11 29 38.2 -78.9 4.0 68.0 -4 1801 No stop 14 52 45 =1204+281 16 12 45 37.9 -78.7 4.1 67.9 71 1820 14 51 31 Schedule for KVNTN (Code Kt ) Page 4 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 ---------------------------------------------------------------------------------------- --- Tue 4 Jun 2024 Day 156 --- 14 52 45 J1159+2914 16 12 45 36.8 -76.4 4.2 68.4 -4 1820 No stop 14 54 00 =1156+295 16 14 00 36.5 -76.2 4.2 68.3 71 1840 14 52 46 14 57 00 J1159+2914 16 17 00 35.9 -75.9 4.3 68.1 178 1840 14 57 00 15 00 00 =1156+295 16 20 01 35.3 -75.6 4.3 67.9 180 1886 14 57 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess224.K2048glob --- 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: 12 Station: KVNTN Total bit rate: 2048 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 34000.00 Net SB= L U L U L U L U L U L U L U L U IF SB = L L L L L L L L L L L L L L L L Pol. = LCP LCP LCP LCP LCP LCP LCP LCP RCP RCP RCP RCP RCP RCP RCP RCP BBC = 1 1 1 1 1 1 1 1 3 3 3 3 3 3 3 3 BBC SB= U L U L U L U L U L U L U L U L IF = A A A A A A A A B B B B B B B B The following frequency sets based on these setups were used. Frequency Set: 10 Setup file default. Used with PCAL = off LO sum= 22172.00 22172.00 22236.00 22236.00 22300.00 22300.00 22364.00 22364.00 22172.00 22172.00 22236.00 22236.00 22300.00 22300.00 22364.00 22364.00 BBC fr= 11828.00 11828.00 11764.00 11764.00 11700.00 11700.00 11636.00 11636.00 11828.00 11828.00 11764.00 11764.00 11700.00 11700.00 11636.00 11636.00 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 Matching frequency sets: 10 11 12 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) OJ287 08 51 57.250615 * 08 54 48.874927 08 56 11.666194 0.00 * J0854+2006 20 17 58.41740 * 20 06 30.64085 20 01 02.44949 0.00 0851+202 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0854+20 GSFC 2016a X/S astro solution, 270807 observations. 1040+244 10 40 25.199376 * 10 43 09.035777 10 44 28.737484 0.01 * J1043+2408 24 24 19.59859 * 24 08 35.40945 24 01 03.26443 0.01 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 9319 observations. 1156+295 11 56 57.786211 * 11 59 31.833912 12 00 47.358756 0.00 * J1159+2914 29 31 25.73880 * 29 14 43.82690 29 06 43.60695 0.00 J1159+29 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 78215 observations. 1204+281 12 04 55.101438 * 12 07 27.900474 12 08 42.860099 0.10 * J1207+2754 28 11 40.43090 * 27 54 58.84994 27 46 58.13290 0.17 J1207+27 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 102 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 J0854+2006 sess224.K2048glob 1 2 3 4 5 7 10 13 0.783 61.100 J1043+2408 sess224.K2048glob 1 2 3 4 5 7 10 13 0.333 26.000 J1159+2914 sess224.K2048glob 1 2 3 4 5 7 10 13 0.750 54.985 J1207+2754 sess224.K2048glob 1 2 3 4 5 7 10 13 0.167 9.526 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) J0854+2006 56.5 J1043+2408 79.3 J1159+2914 92.9 J1207+2754 95.1 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