COVER INFORMATION Station: KVNUS (Code Ku ) 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 KVNUS (Code Ku ) 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 30 41 28.5 -84.8 4.6 59.6 0 0 12 00 00 12 02 00 =OJ287 13 32 41 28.1 -84.5 4.6 59.5 120 31 12 00 01 12 07 00 J0854+2006 13 37 42 27.1 -83.9 4.7 59.4 298 31 12 07 00 12 12 00 =OJ287 13 42 43 26.1 -83.2 4.8 59.3 300 108 12 07 01 12 17 00 J0854+2006 13 47 44 25.1 -82.5 4.9 59.2 298 108 12 17 00 12 27 00 =OJ287 13 57 45 23.1 -81.2 5.0 58.8 600 263 12 17 01 12 32 00 J0854+2006 14 02 46 22.1 -80.5 5.1 58.7 298 263 12 32 00 12 42 00 =OJ287 14 12 48 20.1 -79.2 5.3 58.3 600 417 12 32 01 12 47 00 J0854+2006 14 17 49 19.1 -78.6 5.4 58.1 298 417 12 47 00 12 57 00 =OJ287 14 27 50 17.1 -77.2 5.5 57.6 600 572 12 47 01 13 02 00 J0854+2006 14 32 51 16.1 -76.6 5.6 57.4 298 572 13 02 00 13 12 00 =OJ287 14 42 53 14.1 -75.3 5.8 56.9 600 727 13 02 01 13 17 00 J1043+2408 14 47 54 36.8 -84.8 4.1 62.5 289 727 13 17 00 13 27 00 =1040+244 14 57 55 34.7 -83.5 4.2 62.3 600 881 13 17 01 13 32 00 J1043+2408 15 02 56 33.7 -82.9 4.3 62.1 298 881 13 32 00 13 42 00 =1040+244 15 12 58 31.7 -81.6 4.5 61.8 600 1036 13 32 01 13 50 00 J1159+2914 15 20 59 47.7 -84.1 3.3 67.9 471 1036 13 50 00 14 00 00 =1156+295 15 31 01 45.6 -82.8 3.5 67.5 600 1190 13 50 01 14 05 00 J1159+2914 15 36 01 44.6 -82.3 3.6 67.3 298 1190 14 05 00 14 15 00 =1156+295 15 46 03 42.6 -81.1 3.8 66.9 600 1345 14 05 01 14 16 00 J1159+2914 15 47 03 42.4 -81.0 3.8 66.9 58 1345 14 16 00 14 17 00 =1156+295 15 48 03 42.2 -80.8 3.8 66.8 60 1360 14 16 01 14 17 00 J1207+2754 15 48 03 43.3 -83.4 3.7 66.0 -4 1360 No stop 14 18 15 =1204+281 15 49 19 43.0 -83.3 3.7 66.0 71 1380 14 17 01 14 18 15 J1159+2914 15 49 19 42.0 -80.7 3.8 66.8 -4 1380 No stop 14 19 30 =1156+295 15 50 34 41.7 -80.6 3.8 66.7 71 1399 14 18 16 Schedule for KVNUS (Code Ku ) 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 50 34 42.8 -83.1 3.7 65.9 -4 1399 No stop 14 20 45 =1204+281 15 51 49 42.5 -83.0 3.7 65.9 71 1418 14 19 31 14 20 45 J1159+2914 15 51 49 41.5 -80.4 3.9 66.7 -4 1418 No stop 14 22 00 =1156+295 15 53 04 41.2 -80.3 3.9 66.6 71 1438 14 20 46 14 22 00 J1207+2754 15 53 04 42.3 -82.8 3.7 65.9 -4 1438 No stop 14 23 15 =1204+281 15 54 19 42.0 -82.7 3.8 65.8 71 1457 14 22 01 14 23 15 J1159+2914 15 54 19 41.0 -80.1 3.9 66.6 -4 1457 No stop 14 24 30 =1156+295 15 55 35 40.7 -80.0 3.9 66.5 71 1476 14 23 16 14 24 30 J1207+2754 15 55 35 41.8 -82.5 3.8 65.8 -4 1476 No stop 14 25 45 =1204+281 15 56 50 41.5 -82.4 3.8 65.7 71 1496 14 24 31 14 25 45 J1159+2914 15 56 50 40.5 -79.8 3.9 66.4 -4 1496 No stop 14 27 00 =1156+295 15 58 05 40.2 -79.7 4.0 66.4 71 1515 14 25 46 14 32 00 J1159+2914 16 03 06 39.2 -79.1 4.0 66.1 298 1515 14 32 00 14 42 00 =1156+295 16 13 08 37.2 -78.0 4.2 65.6 600 1669 14 32 01 14 43 00 J1159+2914 16 14 08 37.0 -77.9 4.2 65.6 58 1669 14 43 00 14 44 00 =1156+295 16 15 08 36.8 -77.7 4.2 65.5 60 1685 14 43 01 14 44 00 J1207+2754 16 15 08 37.8 -80.2 4.1 65.0 -4 1685 No stop 14 45 15 =1204+281 16 16 23 37.6 -80.0 4.1 64.9 71 1704 14 44 01 14 45 15 J1159+2914 16 16 23 36.6 -77.6 4.3 65.5 -4 1704 No stop 14 46 30 =1156+295 16 17 38 36.3 -77.5 4.3 65.4 71 1724 14 45 16 14 46 30 J1207+2754 16 17 38 37.3 -79.9 4.1 64.9 -4 1724 No stop 14 47 45 =1204+281 16 18 53 37.1 -79.7 4.2 64.8 71 1743 14 46 31 14 47 45 J1159+2914 16 18 53 36.1 -77.3 4.3 65.3 -4 1743 No stop 14 49 00 =1156+295 16 20 09 35.8 -77.2 4.3 65.2 71 1762 14 47 46 14 49 00 J1207+2754 16 20 09 36.8 -79.6 4.2 64.8 -4 1762 No stop 14 50 15 =1204+281 16 21 24 36.6 -79.4 4.2 64.7 71 1782 14 49 01 14 50 15 J1159+2914 16 21 24 35.6 -77.0 4.3 65.2 -4 1782 No stop 14 51 30 =1156+295 16 22 39 35.3 -76.9 4.4 65.1 71 1801 14 50 16 14 51 30 J1207+2754 16 22 39 36.3 -79.3 4.2 64.6 -4 1801 No stop 14 52 45 =1204+281 16 23 54 36.1 -79.1 4.3 64.6 71 1820 14 51 31 Schedule for KVNUS (Code Ku ) 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 23 54 35.1 -76.8 4.4 65.0 -4 1820 No stop 14 54 00 =1156+295 16 25 10 34.8 -76.6 4.4 65.0 71 1840 14 52 46 14 57 00 J1159+2914 16 28 10 34.2 -76.3 4.5 64.8 178 1840 14 57 00 15 00 00 =1156+295 16 31 11 33.6 -75.9 4.5 64.6 180 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: 11 Station: KVNUS 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