GTAC Observation Log 1. Date : 14/2/2013 2. Observation Sr. No. : 6377 3. Observer : Sandip Sirothia, Ishwar Chandra 4. Observer's Email : sirothia@ncra.tifr.res.in,ishwar@ncra.tifr.res.in 5. Project Name : Candidate High-redshift Radio Galaxies: Compact ultra-steep-spectrum sources from TGSS 6. Project Code : 23_066 7. Operator(s) : Navanath, Rupsingh, Surender 8. Command File : /odisk/gtac/cmd/sirothia/23_066_feb14a.cmd, /odisk/gtac/cmd/sirothia/23_066_feb14b.cmd, /odisk/gtac/cmd/sirothia/23_066_feb14c.cmd, /odisk/gtac/cmd/sirothia/23_066_feb14d.cmd, /odisk/gtac/cmd/sirothia/23_066_feb14e.cmd, /odisk/gtac/cmd/sirothia/23_066_feb14f.cmd, 9. LTA File : /gsbifrdata/14feb/23_066_14feb2013_16s.lta 10. LogFlag File : /odisk/online1/logflags/23_066.FLAGS.7 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255 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 : OFF 19. Beam - 2 : OFF 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) : 306 306 255 255 51 51. 25. Integration Time : 16.106 Sec. 26. No of Antennas Working(Fringing) :25 27. Name of Non-Working Antennas (with reason for each) : C04 : Counter Weight Rectification. W02 : BLDC WORK. C09 : Elevation motor current high. C02 : Feed jam in calibration. C12 : FPS 14 time out. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 23:25 - 06:06 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 2s lta file. /gsbifrdata/14feb/23_066_14feb2013_2s.lta 22:20 : Started set up. 22:26 : Done phasing. 22:25 : Started scan on 3C147. 22:34 : Stopped scan. And S01,W01 & E02 added in GAC. 22:35 : Started scan on 3C147. 22:55 : Stooped scan. 23:02 : Started command file '/odisk/gtac/cmd/sirothia/23_066_feb14a.cmd' 00:18 : Stopped command file. 00:20 : Started command file '/odisk/gtac/cmd/sirothia/23_066_feb14b.cmd' 01:35 : Stopped command file. 01:36 : Started command file '/odisk/gtac/cmd/sirothia/23_066_feb14c.cmd' 02:47 : Stopped command file. 02:49 : Started command file '/odisk/gtac/cmd/sirothia/23_066_feb14d.cmd' 03:58 : Stopped command file. 04:00 : Started command file '/odisk/gtac/cmd/sirothia/23_066_feb14e.cmd' 04:35 : Stopped command file(due phase cal set.) 04:38 : Started command file '/odisk/gtac/cmd/sirothia/23_066_feb14f.cmd' 05:49 : Stopped command file. 05:51 : Started scan on 3C286. 06:05 : Stopped scan & observation session over.