GTAC Observation Log 1. Date : 16/07/2017 2. Observation Sr. No. : 9576 3. Observer : Maryam Arabsalmani, Sambit Roychowdhury, Martin Alexander Zwaan, Nissim Kanekar, Palle Moller, Emeric M LeFloc`h 4. Observer's Email : marabsal@eso.org, sambit.roychowdhury@manchester.ac.uk, mzwaan@eso.org, nkanekar@ncra.tifr.res.in, pmoller@eso.org, emeric.lefloch@cea.fr 5. Project Name : Atomic gas in the host galaxy of GRB 080517 6. Project Code : 32_103 7. Operator(s) : Surender 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/16jul/32_103_16jul2017.lta, /gwbifrdata1/16jul/32_103_16jul2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2411 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1296.52 MHz ,RF2 : 1296.52 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1235 MHz, ILO2 : 1235MHz , IVLO1 : 61.52 MHz, IVLO2 : 61.52 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 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 : 16.666666 MHz 24. Final BW : 4 MHz; Step # 1 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138.48 28. LO5 -2 : 166.52 29. Frequency Parameters (TPA) : 1296.52 1296.52 1235 1235 61.52 61.52 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :22 32. Name of Non-Working Antennas (with reason for each) : E04 : Servo problem W03 : Strong RFI C00 : ABC time-out. C12 : ABC time-out. C09 : Servo problem C10 : Servo problem S02 : Servo problem W06 : 130 pol Low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 16 Jul 2017 08:00:00 - 16 Jul 2017 12:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 08:00 : Started set-up. 08:20 : Started command file. 10:22 : C09 & C10 Released for observation. 11:16 : S02 & E04 Released for observation. 11:56 : C00 , C12 Released for observation. 12:00 : Stopped command file and observing session over.