GTAC Observation Log 1. Date : 14/02/2016 2. Observation Sr. No. : 8412 3. Observer : Watson Paul Varricatt, Sarita Vig, Anandmayee Tej 4. Observer's Email : w.varricatt@ukirt.hawaii.edu, sarita@iist.ac.in, anandmayee.tej@gmail.com 5. Project Name : Radio mapping of three Massive star forming regions 6. Project Code : 29_027 7. Operator(s) : Nilesh, Rupsing 8. Command File : /odisk/gtac/cmd/29_027/14feb_obs.cmd 9. LTA File : /gsbifrdata/14feb/29_027_14feb2016.lta 10. LogFlag File : /odisk/online1/logflags/29_027.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1_shivneri 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 : 33.333333 MHz 24. Final BW : 33.333333 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C08 : BLDC. C10 : Very low fringe (175 pol). E04 : feed cage painting. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 14 Feb 2016 06:00:00 - 14 Feb 2016 11:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 06:05 : Started scan on 3C286. 06:20 : Stopped scan. 06:25 : Started command file. 09:12 : Antenna C04 parked for painting. 09:50 : Antenna C10 taken for maintenance. 10:42 : Stopped command file. 10:44 : Started scan on 3c468.1 for ~ 15 min. 11:00 : Stopped scan and closed observation.