GTAC Observation Log 1. Date : 28/8/2011 2. Observation Sr. No. : 5542 3. Observer : Sandeep Sirothia 4. Observer's Email : sirothia@ncra.tifr.res.in 5. Project Name : The GMRT extra-galactic sky survey at 150 MHz - TGSS 6. Project Code : 20_083 7. Operator(s) : Nilesh, Rupsingh, Santaji, 8. Command File : /odisk/gtac/cmd/sirothia/20_083_20110828a.cmd, /odisk/gtac/cmd/sirothia/20_083_20110828b.cmd 9. LTA File : /gsbifrdata/28aug/20_083_28aug2011.lta 10. LogFlag File : /odisk/online1/logflags/20_083.FLAGS.38 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 : 10+12 dB, 16 MHz,ON, IF-CH2 : 10+12 dB, 16 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 : 512 22. IFBW (MHz) : LO5 (KHz) : 16:138000-167000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 156 156 218 218 62 62. 25. Integration Time : 16.106 Sec. 26. No of Antennas Working(Fringing) :30 27. Name of Non-Working Antennas (with reason for each) : -- 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 20:00 - 06:00 30. ONLINE Machine : Shivneri 31. Comments (During Observations) : * 2S data file * /gsbifrdata1/28aug/20_083_28aug2011_2s.lta ---------------------------------------------------- 22:21: Started scan on 3C48. 22:50: Stopped scan. 22:52: Started scan on J0218+4232. 23:03: Stopped scan. 23:05: Started command file 20_083_20110828a.cmd. 00:58 : Command file stopped. 01:00 : Started command file 20_083_20110828b.cmd 05:21 : Command file stopped. 05:27 : Started scan on J0218+4232 for 15mins. 05:44 : Started scan on 3C48 for 15mins. 06:00 : Observation stopped.