GTAC Observation Log 1. Date : 18/12/2010 2. Observation Sr. No. : 5146 3. Observer : Sandeep Sirothia, Ishwar Chandra 4. Observer's Email : sirothia@ncra.tifr.res.in,ishwar@ncra.tifr.res.in 5. Project Name : Extra Galactic Survey @ 150 MHz Using GMRT 6. Project Code : 19_043 7. Operator(s) : Deepak, Manisha, Rupsingh, Shilpa 8. Command File : /odisk/online1/hold.cmd 9. LTA File : /rawdata/18dec/19_043_18dec2010.lta, /rawdata1/18dec/19_043_18dec2010.ltb 10. GSB File : /gsbifrdata/18dec/19_043_18dec2010_gsb.lta 11. LogFlag File : /odisk/online1/logflags/19_043.FLAGS.37 ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : 14 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 218 MHz, ILO2 : 218 MHz, IVLO1 : 62 MHz, IVLO2 : 62 MHz 14. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON 15. BB BW(KHz) & BB ALC : 16000 KHz, ON CORRELATOR SETTINGS : GHB Settings : 16. GHB Channels : 0:127:1 17. Correlator Mode : UsbPolar 18. Frequency Parameters (TPA) : 156 156 218 218 62 62 GSB Settings : 19. Maximum Channels : 256 20. Final Bandwidth (MHz): OFF MHz; Step # 0 21. IFBW : LO5(MHz) : 16:138000-167000 MHz 22. Stokes : Full_Polar 23. Beam - 1 : OFF 24. Beam - 2 : OFF 25. Integration Time : 128 LTA ~ 16.908 Sec. 26. No of Antennas Working(Fringing) :28 27. Name of Non-Working Antennas (with reason for each) : C00 : Painting. C03 : Painting. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 16:50 - 07:25 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : * 2S data file * /rawdata/18dec/19_043_18dec2010_2s.lta, /rawdata1/18dec/19_043_18dec2010_2s.ltb, /gsbifrdata1/18dec/19_043_18dec2010_gsb_2s.lta ----------------------------------------------------------------------------- Command files : /odisk/gtac/cmd/sirothia/19_043_20101218a.cmd, /odisk/gtac/cmd/sirothia/19_043_20101218b.cmd. ----------------------------------------------------------------------------- 17:02 : Started scan on 3C48. 17:17 : C00 released for observation. 17:22 : Stopped scan. 17:23 : Started scan on J0218+4232. 17:38 : Stopped scan. 17:40 : C03 released for observation. 17:41 : Started command file '/odisk/gtac/cmd/sirothia/19_043_20101218a.cmd' 23:40 : Stopped command file. 23:45 : '/odisk/gtac/cmd/sirothia/19_043_20101218b.cmd' command file started. 06:59 : Stopped command file. 07:09 : Started scan on 3C286. 07:25 : Stopped scan and observing session over. ----------------------------------------------------------------------------- Delay jumps : USB : S02,S06,W02,W03,W05,W06. LSB : S06,W02,W03,W05,W06. GSB : C04,C05,E02,E03,E04,E05,S02,S06,W05,W06. -----------------------------------------------------------------------------