GTAC Observation Log 1. Date : 26/5/2011 2. Observation Sr. No. : 5349 3. Observer : Sandeep Sirothia,Ishwara Chandra 4. Observer's Email : sirothia@ncra.tifr.res.in,ishwar@ncra.tifr.res.in 5. Project Name : The GMRT extra-galactic sky survey at 150 MHz 6. Project Code : 20_083 7. Operator(s) : Deepak, Nilesh, Shilpa 8. Command File : /odisk/gtac/cmd/sirothia/20_083_20110526a.cmd 9. LTA File : /gsbifrdata/26may/20_083_26may2011.lta 10. LogFlag File : /odisk/online1/logflags/20_083.FLAGS.12 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218 MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON GSB SETTINGS : 14. Maximum Channels : 256 15. Final Bandwidth (MHz): OFF MHz; Step # 0 16. IFBW (MHz) : LO5 (KHz) : 16:138000-167000 17. Stokes : Full_Polar 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. Frequency Parameters (TPA) : 156 156 218 218 62 62. 21. Integration Time : 16.106 Sec. 22. No of Antennas Working(Fringing) :28 23. Name of Non-Working Antennas (with reason for each) : S04,S06 : Fibre cut. 24. Note for Backup :-- 25. Start and End Time of Obs.(IST): 18:10 - 06:00 26. ONLINE Machine : Lenyadri 27. Comments (During Observations) : 2S Data File : /gsbifrdata1/26may/20_083_26may2011_2s.lta --------------------------------------------------------- 18:10 : Started settings. 18:18 : Started scan on 3C286. 18:44 : Stopped scan. 18:48 : '/odisk/gtac/cmd/sirothia/20_083_20110526a.cmd' command file started. 18:56 : C10 not tracking properly. 20:55 : C10 started working. 05:04 : Stopped command file. 05:08 : Started scan on J0218+4232 for ~15min. 05:25 : Started scan on 3c48 for ~20min. 05:45 : Stopped scan and observation.