GTAC Observation Log 1. Date : 19/01/2018 2. Observation Sr. No. : 10032 3. Observer : Rajeshwari Dutta, Raghunathan Srianand, Ravi Joshi, Neeraj Gupta 4. Observer's Email : rdutta@iucaa.in, anand@iucaa.in, physistravi@gmail.com, ngupta@iucaa.in 5. Project Name : GMRT search for cold gas towards red quasars 6. Project Code : 33_100 7. Operator(s) : Deepak, Pramod, Shilpa 8. Command File : /odisk/gtac/cmd/33_100/19jan18/obs.cmd 9. LTA File : /gsbifrdata/19jan/33_100_19jan2018.lta 10. LogFlag File : /odisk/online1/logflags/33_100.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 656.6399 MHz ,RF2 : 656.6399 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 720 MHz, ILO2 : 720MHz , IVLO1 : 63.3601 MHz, IVLO2 : 63.3601 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 6 MHz,ON, IF-CH2 : 4+14 dB, 6 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1_lenyadri 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 : OFF 23. ACQ BW : 16.666666 MHz 24. Final BW : 4 MHz; Step # 1 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 136.6399 28. LO5 -2 : 168.3601 29. Frequency Parameters (TPA) : 656.6399 656.6399 720 720 63.3601 63.3601 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : S01 : MCM 2 time out. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 19 Jan 2018 02:40:00 - 19 Jan 2018 11:53:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 02:40 : Started set up. 02:58 : Started scan on 3C286 for 10 min. 03:08 : Stopped scan and started command file. '/odisk/gtac/cmd/33_100/19jan18/obs.cmd' 07:28 : Stopped command file. 07:37 : Started scan on 3C286 for 10min. 07:58 : Restarted command file. Note : From 08:25 Hrs to 08:56 Hrs scan no. 12 bad. 09:16 : E06 taken for painting. 09:36 : C14 taken for structural repairing. 09:39 : E04 taken for surface refurbishment work. 09:39 : E05 automatically got abc reset. 10:15 : E05 started working. 11:03 : Stopped command file. 11:05 : Started scan on 3C286 for 10min. 11:17 : Restarted commnad file. 11:53 : Stopped command file and observing session over.