GTAC Observation Log 1. Date : 22/03/2016 2. Observation Sr. No. : 8490 3. Observer : Maryam Arabsalmani, Sambit Roychowdhury, Martin Alexander Zwaan, Nissim Kanekar, Palle Moller 4. Observer's Email : marabsal@eso.org, sambit@mpa-garching.mpg.de, mzwaan@eso.org, nkanekar@ncra.tifr.res.in, pmoller@eso.org 5. Project Name : High resolution HI 21cm mapping of GRB 980425 host galaxy 6. Project Code : 29_076 7. Operator(s) : Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/nissim/29_076.cmd 9. LTA File : /gsbifrdata/22mar/29_076_22mar2016.lta 10. LogFlag File : /odisk/online1/logflags/29_076.FLAGS.4 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1402 MHz ,RF2 : 1402 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1340 MHz, ILO2 : 1340MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 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 # 4 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 1402 1402 1340 1340 62 62 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) : S06 : Feed cage painting. C01 : Amplitude variation. E06 : Low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 22 Mar 2016 06:52:00 - 22 Mar 2016 09:22:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 06:52 : Started settings. 07:10 : Started scan on 3C286. 07:23 : Stopped scan. 07:31 : '/odisk/gtac/cmd/nissim/29_076.cmd' command file started. 08:45 : C14 servo problem. 09:07 : Stopped command file. 09:12 : Started scan on 3C48. 09:22 : Stopped scan and observing session over.