GTAC Observation Log 1. Date : 27/3/2013 2. Observation Sr. No. : 6442 3. Observer : Sandip Sirothia, Ishwar Chandra 4. Observer's Email : sirothia@ncra.tifr.res.in,ishwar@ncra.tifr.res.in 5. Project Name : (Makeup Observation:-Candidate High-redshift Radio Galaxies: Compact ultra-steep-spectrum sources from TGSS 6. Project Code : 23_066 7. Operator(s) : Navanath, Pramod, Shilpa, Surender 8. Command File : /odisk/gtac/cmd/sirothia/23_066_20130327b.cmd, /odisk/gtac/cmd/sirothia/23_066_20130327c.cmd, /odisk/gtac/cmd/sirothia/23_066_20130327d.cmd, /odisk/gtac/cmd/sirothia/23_066_20130327g.cmd, /odisk/gtac/cmd/sirothia/23_066_20130327h.cmd 9. LTA File : /gsbifrdata/27mar/23_066_27mar2013.lta, /gsbifrdata/27mar/23_066_27mar2013.lta.1, /gsbifrdata1/27mar/23_066_27mar2013_2s.lta, /gsbifrdata1/27mar/23_066_27mar2013_2s.lta.1 10. LogFlag File : /odisk/online1/logflags/23_066.FLAGS.17, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1261 MHz ,RF2 : 1261 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1210 MHz, ILO2 : 1210 MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON GSB SETTINGS : 14. GSB Mode : RealTime 15. GSB LTA : 8 16. GAIN EQ : ON 17. Stokes : Total_Intensity 18. Beam - 1 : IA 19. Beam - 2 : PA 20. ACQ BW : 32 MHz 21. Maximum Channels : 256 22. IFBW (MHz) : LO5 (KHz) : 32:149000-156000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 1261 1261 1210 1210 51 51. 25. Integration Time : 2.013 Sec. 26. No of Antennas Working(Fringing) :25 27. Name of Non-Working Antennas (with reason for each) : W02 : BLDC work. W04 : No fringe. Lo1 unlock ? W05 : No fringe. Lo1 unlock ? C00 : Maint. work S01 : 130 pole low fringe. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 22:15 - 06:00 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 22:15 : Started set up 1280MHz. 22:29 : Phasing done on 3C147. 22:30 : Started scan on 3c147 for 15min. 22:46 : scan stopped on 3C147 and started following command file. '/odisk/gtac/cmd/sirothia/23_066_20130327b.cmd' 23:50 : Due to online socket problem, online not responding to any command. so restarted Online & restarted GSB. 00:01 : S01 ABC time out. 00:29 : Phasing done on 0837-198 00:32 : Restarted command file '/odisk/gtac/cmd/sirothia/23_066_20130327b.cmd' 00:46 : Stopped command file 00:47 : Started command file '/odisk/gtac/cmd/sirothia/23_066_20130327c.cmd' 01:58 : Stopped command file. 02:02 : Started command file. '/odisk/gtac/cmd/sirothia/23_066_20130327d.cmd' 03:13 : Stopped command file. 03:15 : Started command file. '/odisk/gtac/cmd/sirothia/23_066_20130327g.cmd' 04:12 : Stopped command file. 04:13 : Started command file. '/odisk/gtac/cmd/sirothia/23_066_20130327h.cmd' 05:05 : Stopped command file. 05:10 : Started scan on 3c286 06:00 : Stopped scan & observing session is over.