GTAC Observation Log 1. Date : 16/03/2015 2. Observation Sr. No. : 7680 3. Observer : Yogesh Maan, BHAL CHANDRA JOSHI, ARUN KUMAR NAIDU 4. Observer's Email : ymaan@ncra.tifr.res.in, bcj@ncra.tifr.res.in, arun@ncra.tifr.res.in 5. Project Name : A Search for Giant Pulses from Millisecond and Young Pulsars 6. Project Code : 27_020 7. Operator(s) : Nilesh, Sachin 8. Command File : /odisk/gtac/cmd/hold.cmd 9. LTA File : /gsbifrdata1/16mar/27_020_16mar2015.lta 10. LogFlag File : /odisk/online1/logflags/27_020.FLAGS.9,/odisk/online1/logflags/27_020.FLAGS.10 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1297 MHz ,RF2 : 1297 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1235 MHz, ILO2 : 1235MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+10 dB, 32 MHz,OFF, IF-CH2 : 24+10 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Host : gsbm1 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : Volt 23. ACQ BW : 16.666666 MHz 24. Final BW : 16.666666 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 1297 1297 1235 1235 62 62 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C04 : Feed Jam. C12 : Low fringe. W04 : 175 pol No Fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 16 Mar 2015 08:00:00 - 16 Mar 2015 10:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 07:30 : Started settings for observation. 07:40 : Started power eq on 2052+365 @ 150 counts. 08:01 : Restarted GSB with GAIN EQ - ON. 08:02 : Started phasing on 2052+365. 08:09 : Started cal run on 2052+365(OFF-ON-OFF). 08:23 : Started scan on J1935+2025 for ~ 92 min. 09:58 : Started scan on B1937+21 for ~ 5 min. 10:05 : Stopped observation.