COVER INFORMATION Station: JODRELL2 (Code Jb ) Experiment: Network Monitoring Experiment Exp. Code: N20M1 Schedule Version: 1.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Katharina Immer Address: JIVE Postbus 2 7990 AA Dwingeloo The Netherlands Phone: +31-521-596507 EMAIL: immer@jive.eu Fax: Phone during observation: +31-521-596507 Observing mode: Notes: 5cm (m-band) NME and ftp fringe test for session 1/2020 (256 Mbps, L+R, 2-bit sampling, 4 MHz filters) Please send the disk pack by express to JIVE last bit = 4Gbps test via 64MHz filters COVER LETTER: This is the schedule for the 5cm NME and ftp fringe-test on 5th March 2020 12-15UT. involving 15 telescopes: Jb2 Wb Ef On85 T6 Tr Ys Hh Ir Sr Cm Da De Kn Pi The NME uses a standard setup with 256 Mbps. The schedule consists of long integrations on strong calibrators: Ftp-fringe tests are scheduled ~ every twenty minutes throughout the experiment: 12:15:00 J0238+1636 12:35:00 J0238+1636 12:55:00 J0238+1636 13:15:00 3C84 13:35:00 3C84 13:55:00 3C84 14:15:00 3C84 14:35:00 3C84 14:55:00 3C84 Clear skies! Katharina Mattermost: coms.evlbi.org Schedule for JODRELL2 (Code Jb ) 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 ---------------------------------------------------------------------------------------- --- Thu 5 Mar 2020 Day 65 --- Next scan frequencies: 6655.49 6655.49 6655.49 6655.49 6663.49 6663.49 6663.49 6663.49 6671.49 6671.49 6671.49 6671.49 6679.49 6679.49 6679.49 6679.49 Next BBC frequencies: 768.51 768.51 768.51 768.51 760.51 760.51 760.51 760.51 752.51 752.51 752.51 752.51 744.51 744.51 744.51 744.51 Next scan bandwidths: 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 12 00 00 J0238+1636 22 45 34 32.0 105.6 -3.9 -37.0 0 0 12 00 00 12 05 00 =0235+164 22 50 35 32.7 106.8 -3.8 -36.8 300 10 12 00 01 12 07 00 J0238+1636 22 52 35 33.0 107.2 -3.8 -36.6 115 10 12 07 00 12 20 00 =0235+164 23 05 37 34.8 110.2 -3.6 -35.9 780 35 12 07 01 12 22 00 J0238+1636 23 07 38 35.1 110.7 -3.5 -35.8 115 35 12 22 00 12 25 00 =0235+164 23 10 38 35.5 111.4 -3.5 -35.6 180 41 12 22 01 12 27 00 J0238+1636 23 12 39 35.8 111.9 -3.5 -35.4 115 41 12 27 00 12 40 00 =0235+164 23 25 41 37.6 115.1 -3.2 -34.5 780 66 12 27 01 12 42 00 J0238+1636 23 27 41 37.9 115.6 -3.2 -34.3 115 66 12 42 00 12 45 00 =0235+164 23 30 42 38.3 116.4 -3.2 -34.0 180 71 12 42 01 12 47 00 J0238+1636 23 32 42 38.5 116.9 -3.1 -33.9 115 71 12 47 00 13 00 00 =0235+164 23 45 44 40.2 120.3 -2.9 -32.7 780 97 12 47 01 13 02 00 J0238+1636 23 47 44 40.5 120.8 -2.9 -32.5 114 97 13 02 00 13 05 00 =0235+164 23 50 45 40.9 121.6 -2.8 -32.2 180 102 13 02 01 13 08 00 3C84 23 53 45 53.9 87.4 -3.5 -53.1 54 102 13 08 00 13 20 00 --- 00 05 47 55.7 89.7 -3.3 -53.1 720 126 13 08 01 13 22 00 3C84 00 07 48 56.0 90.1 -3.2 -53.2 115 126 13 22 00 13 25 00 --- 00 10 48 56.5 90.7 -3.2 -53.1 180 131 13 22 01 13 27 00 3C84 00 12 48 56.8 91.1 -3.1 -53.1 115 131 13 27 00 13 40 00 --- 00 25 51 58.7 93.9 -2.9 -53.0 780 157 13 27 01 13 42 00 3C84 00 27 51 59.0 94.3 -2.9 -52.9 115 157 13 42 00 13 45 00 --- 00 30 51 59.5 95.0 -2.8 -52.9 180 162 13 42 01 13 47 00 3C84 00 32 52 59.8 95.4 -2.8 -52.8 115 162 13 47 00 14 00 00 --- 00 45 54 61.7 98.5 -2.6 -52.3 780 187 13 47 01 14 02 00 3C84 00 47 54 62.0 98.9 -2.6 -52.2 115 187 14 02 00 14 05 00 --- 00 50 55 62.5 99.7 -2.5 -52.1 180 193 14 02 01 Schedule for JODRELL2 (Code Jb ) 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 ---------------------------------------------------------------------------------------- --- Thu 5 Mar 2020 Day 65 --- 14 07 00 3C84 00 52 55 62.8 100.2 -2.5 -52.0 115 193 14 07 00 14 20 00 --- 01 05 57 64.7 103.6 -2.3 -51.1 780 218 14 07 01 Next scan frequencies: 6476.49 6476.49 6476.49 6476.49 6604.49 6604.49 6604.49 6604.49 6732.49 6732.49 6732.49 6732.49 6860.49 6860.49 6860.49 6860.49 Next BBC frequencies: 947.51 947.51 947.51 947.51 819.51 819.51 819.51 819.51 691.51 691.51 691.51 691.51 563.51 563.51 563.51 563.51 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 14 25 00 3C84 01 10 58 65.4 105.0 -2.2 -50.6 293 218 14 25 00 14 28 00 --- 01 13 58 65.8 105.9 -2.1 -50.3 180 311 14 25 25 14 30 00 3C84 01 15 59 66.1 106.5 -2.1 -50.1 114 311 14 30 00 14 37 00 --- 01 23 00 67.1 108.6 -2.0 -49.3 420 528 14 30 01 14 43 00 3C84 01 29 01 68.0 110.5 -1.9 -48.5 353 528 14 43 00 14 46 00 --- 01 32 01 68.4 111.5 -1.8 -48.1 180 620 14 43 01 14 48 00 3C84 01 34 02 68.7 112.2 -1.8 -47.8 114 620 14 48 00 14 55 00 --- 01 41 03 69.6 114.7 -1.7 -46.6 420 837 14 48 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess120.M256nme --- 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: 3 Station: JODRELL2 Total bit rate: 256 Format: VDIF Bits per sample: 2 Sample rate: 8.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 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 = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= U U L L U U L L U U L L U U L L IF = A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 The following frequency sets based on these setups were used. Frequency Set: 1 Setup file default. Used with PCAL = off LO sum= 6655.49 6655.49 6655.49 6655.49 6663.49 6663.49 6663.49 6663.49 6671.49 6671.49 6671.49 6671.49 6679.49 6679.49 6679.49 6679.49 BBC fr= 768.51 768.51 768.51 768.51 760.51 760.51 760.51 760.51 752.51 752.51 752.51 752.51 744.51 744.51 744.51 744.51 Bandwd= 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 Matching frequency sets: 1 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 barrel=roll_off ======== Setup file: sess120.M4096_64 --- 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: JODRELL2 Total bit rate: 4096 Format: VDIF Bits per sample: 2 Sample rate:128.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 7424.00 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 = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= U U L L U U L L U U L L U U L L IF = A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 A2 B2 The following frequency sets based on these setups were used. Frequency Set: 16 Setup file default. Used with PCAL = off LO sum= 6476.49 6476.49 6476.49 6476.49 6604.49 6604.49 6604.49 6604.49 6732.49 6732.49 6732.49 6732.49 6860.49 6860.49 6860.49 6860.49 BBC fr= 947.51 947.51 947.51 947.51 819.51 819.51 819.51 819.51 691.51 691.51 691.51 691.51 563.51 563.51 563.51 563.51 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 Matching frequency sets: 16 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) 0235+164 02 35 52.630214 * 02 38 38.930106 02 39 44.319071 0.12 * J0238+1636 16 24 04.01612 * 16 36 59.27454 16 42 01.71522 0.16 J0238+16 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 64441 observations. * 3C84 03 16 29.567265 * 03 19 48.160096 03 21 06.575438 1.50 J0319+4130 41 19 51.91692 * 41 30 42.10404 41 35 02.71165 2.86 0316+413 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc J0319+41 GSFC 2016a X/S astro solution, 10291 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 J0238+1636 sess120.M256nme 1 2 3 4 5 6 7 8 9 10 11 0.883 92.750 3C84 sess120.M256nme 1 2 3 4 5 6 7 8 9 10 11 1.000 105.000 sess120.M4096_64 16 17 18 19 20 21 22 23 0.333 12.000 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) J0238+1636 57.3 3C84 74.7 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