COVER INFORMATION Station: JODRELL2 (Code Jb ) Experiment: test of NRAO RDBE/DDC + EVN for Gb/s (K-band) Exp. Code: F13K1 Schedule Version: 1.00 Processed by SCHED version: 11.00 Release of Feb. 15, 2013 PI: Bob Campbell Address: JIVE Oude Hoogeveensedijk 4 7991PD Dwingeloo Phone: +31 521 596-534 EMAIL: campbell@jive.nl Fax: Phone during observation: +31 521 596-534 Observing mode: Notes: Schedule for JODRELL2 (Code Jb ) Page 2 test of NRAO RDBE/DDC + EVN for Gb/s (K-band) 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 ---------------------------------------------------------------------------------------- --- Wed 12 Jun 2013 Day 163 --- Next scan frequencies: 22187.25 22187.25 22187.25 22187.25 22219.25 22219.25 22219.25 22219.25 22251.25 22251.25 22251.25 22251.25 22283.25 22283.25 22283.25 22283.25 Next BBC frequencies: 107.25 107.25 107.25 107.25 139.25 139.25 139.25 139.25 171.25 171.25 171.25 171.25 203.25 203.25 203.25 203.25 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 06 00 00 J2005+7752 23 13 42 60.3 -18.0 3.1 117.7 0 0 06 00 00 06 12 00 =2007+777 23 25 44 59.7 -18.6 3.3 114.3 720 92 06 00 04 06 12 26 J2005+7752 23 26 10 59.7 -18.6 3.4 114.2 23 92 06 12 26 06 14 06 =2007+777 23 27 50 59.6 -18.7 3.4 113.7 100 105 06 12 30 06 14 26 J2005+7752 23 28 10 59.6 -18.7 3.4 113.6 17 105 06 14 26 06 18 36 =2007+777 23 32 21 59.4 -18.9 3.5 112.4 250 137 06 14 30 06 18 56 J2005+7752 23 32 41 59.4 -18.9 3.5 112.3 17 137 06 18 56 06 23 06 =2007+777 23 36 52 59.2 -19.0 3.5 111.2 250 169 06 19 00 06 23 26 J2005+7752 23 37 12 59.2 -19.0 3.5 111.1 17 169 06 23 26 06 25 06 =2007+777 23 38 52 59.1 -19.1 3.6 110.6 100 182 06 23 30 06 25 26 J2005+7752 23 39 12 59.1 -19.1 3.6 110.5 17 182 06 25 26 06 29 36 =2007+777 23 43 23 58.9 -19.3 3.6 109.4 250 214 06 25 30 06 29 56 J2005+7752 23 43 43 58.9 -19.3 3.6 109.3 17 214 06 29 56 06 34 06 =2007+777 23 47 53 58.6 -19.4 3.7 108.2 250 246 06 30 00 Next scan frequencies: 22219.25 22219.25 22219.25 22219.25 22251.25 22251.25 22251.25 22251.25 Next BBC frequencies: 139.25 139.25 139.25 139.25 171.25 171.25 171.25 171.25 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 06 37 06 J2005+7752 23 50 54 58.5 -19.5 3.8 107.3 177 246 06 37 06 06 38 46 =2007+777 23 52 34 58.4 -19.6 3.8 106.9 100 252 06 37 34 06 39 06 J2005+7752 23 52 54 58.4 -19.6 3.8 106.8 17 252 06 39 06 06 43 16 =2007+777 23 57 05 58.2 -19.7 3.9 105.7 250 268 06 39 10 06 43 36 J2005+7752 23 57 25 58.2 -19.7 3.9 105.6 17 268 06 43 36 06 47 46 =2007+777 00 01 36 58.0 -19.8 3.9 104.5 250 284 06 43 40 06 48 06 J2005+7752 00 01 56 57.9 -19.8 3.9 104.4 17 284 06 48 06 06 49 46 =2007+777 00 03 36 57.9 -19.8 4.0 103.9 100 291 06 48 10 06 50 06 J2005+7752 00 03 56 57.8 -19.8 4.0 103.9 17 291 06 50 06 06 54 16 =2007+777 00 08 07 57.6 -19.9 4.1 102.8 250 307 06 50 10 Schedule for JODRELL2 (Code Jb ) Page 3 test of NRAO RDBE/DDC + EVN for Gb/s (K-band) 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 ---------------------------------------------------------------------------------------- --- Wed 12 Jun 2013 Day 163 --- 06 54 36 J2005+7752 00 08 27 57.6 -20.0 4.1 102.7 17 307 06 54 36 06 58 46 =2007+777 00 12 38 57.4 -20.0 4.1 101.6 250 323 06 54 40 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: KG.evn.rdbeddc Matching groups in ./freq.sess213rdbe.dat: j2b1cm Guess from NET1A in PC-SCHED, must be using Low patch ****** Only 200.00 of 256.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 12 Station: JODRELL2 Total bit rate: 1024 Format: MKIV1:2 Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 0.50 Disk used to record data. 1st LO= 22080.00 22080.00 22080.00 22080.00 22080.00 22080.00 22080.00 22080.00 22080.00 22080.00 22080.00 22080.00 22080.00 22080.00 22080.00 22080.00 Net SB= 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 Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 2 1 2 1 4 3 4 3 6 5 6 5 8 7 8 7 BBC SB= L L U U L L U U L L U U L L U U IF = 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N The following frequency sets based on these setups were used. Frequency Set: 14 Setup file default. LO sum= 22187.25 22187.25 22187.25 22187.25 22219.25 22219.25 22219.25 22219.25 22251.25 22251.25 22251.25 22251.25 22283.25 22283.25 22283.25 22283.25 BBC fr= 107.25 107.25 107.25 107.25 139.25 139.25 139.25 139.25 171.25 171.25 171.25 171.25 203.25 203.25 203.25 203.25 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: 14 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27, 66, 74, 82, 90, 67, 75, 83, 91 barrel=roll_off ======== Setup file: K5.evn.rdbeddc Matching groups in ./freq.sess213rdbe.dat: j2b1cm Guess from NET1A in PC-SCHED, must be using Low patch Setup group: 36 Station: JODRELL2 Total bit rate: 512 Format: MKIV1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 8 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 22080.00 22080.00 22080.00 22080.00 22080.00 22080.00 22080.00 22080.00 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 2 1 2 1 4 3 4 3 BBC SB= L L U U L L U U IF = 2N 1N 2N 1N 2N 1N 2N 1N The following frequency sets based on these setups were used. Frequency Set: 38 Setup file default. LO sum= 22219.25 22219.25 22219.25 22219.25 22251.25 22251.25 22251.25 22251.25 BBC fr= 139.25 139.25 139.25 139.25 171.25 171.25 171.25 171.25 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 38 Track assignments are: track1= 2, 18, 3, 19, 66, 82, 67, 83 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * J2005+7752 20 07 20.430170 * 20 05 30.998498 20 05 06.320924 0.48 2007+777 77 43 58.12300 * 77 52 43.24753 77 54 59.08402 0.10 J2005+77 /aps3/sched11.0/catalogs/sources.vlba rfc_2012b Petrov, 2012, unpublished 16337 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 J2005+7752 KG.evn.rdbeddc 1 3 13 14 15 16 17 18 19 20 + 0.533 142.600 K5.evn.rdbeddc 26 27 37 38 39 40 41 42 43 + 0.333 92.000 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) J2005+7752 76.2 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