GTAC Observation Log 1. Date : 16/07/2018 2. Observation Sr. No. : 10418 3. Observer : Nayana AJ, Poonam Chandra 4. Observer's Email : nayan89deva@gmail.com, poonam@ncra.tifr.res.in 5. Project Name : Tracing the footprints of various core-collapse supernovae environments at low-frequencies. 6. Project Code : 34_084 7. Operator(s) : Sachin 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/16jul/34_084_16jul2018_gsb.lta, /gwbifrdata2/16jul/34_084_16jul2018.lta 10. LogFlag File : /odisk/online1/logflags/34_084.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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :24 32. Name of Non-Working Antennas (with reason for each) : C09 : Taken for maintenance. C10 : Taken for gearbox work. S03 : Taken for maintenance. C04 : Feed jammed. E02 : Feed jammed. C02 : RF expt. going. till 16:30. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 16 Jul 2018 16:00:00 - 16 Jul 2018 19:05:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 16:22:48 : Started scan on 3C286 for ~ 5.63714 min ### Please ignore this scac since GAB server was giving problem. 16:31:26 : Started scan on 3C286 for ~ 9.66367 min. Also E02 started working. 16:35 : C02 RF problem solved, started working. 16:44:42 : C04 Started working. 16:44:42 : Started scan on 1609+266 for ~ 4.83183 min. 16:50:30 : Started scan on SN2018COW for ~ 30.0647 min. 17:23:21 : Started scan on 1609+266 for ~ 4.83183 min. 17:29:06 : Started scan on SN2018COW for ~ 30.0647 min. 18:00:19 : Started scan on 1609+266 for ~ 4.83183 min. 18:06:12 : Started scan on SN2018COW for ~ 33.5544 min. 18:42:14 : Started scan on 1609+266 for ~ 4.83183 min. 18:50:52 : Started scan on 3C286 for ~ 9.9321 min. 19:01 : Stopped scan on 3C286 and closed observation session.