GTAC Observation Log 1. Date : 05/08/2016 2. Observation Sr. No. : 8794 3. Observer : Poonam Chandra 4. Observer's Email : poonam@ncra.tifr.res.in 5. Project Name : GMRT Observations of three AstroSAT-CZTI detected GRBs\r\n 6. Project Code : DDTB241 7. Operator(s) : Nilesh, Pramod, Sachin 8. Command File : /odisk/gtac/cmd/poonam/ddtb241/4aug/obs.txt 9. LTA File : /gsbifrdata/04aug/ddtb241_04aug2016.lta, /gwbifrdata1/04aug/ddtb241_04aug2016_1450lo.lta 10. LogFlag File : /odisk/online1/logflags/30_032.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , IVLO1 : 51 MHz, IVLO2 : 51 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 : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 1454 1454 1505 1505 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C10 : 130 pol No fringe 33. Note for Backup : 34. Start and End Time of Obs.(IST): 04 Aug 2016 22:00:00 - 05 Aug 2016 01:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 22:00 : Started set up. 22:20 : Started scan on 3C286. 22:30 : Stopped scan and started command file. '/odisk/gtac/cmd/poonam/ddtb241/4aug/obs.txt' 00:40 : stopped scan. 00:41 : Started scan on phase cal for ~ 6 min. 00:50 : Started scan on 3C48 for ~ 10 min. 01:00 : Stopped scan and observation closed.