GTAC Observation Log 1. Date : 25/01/2019 2. Observation Sr. No. : 10832 3. Observer : Jayaram Narayanan Chengalur, Simon Pustilnik 4. Observer's Email : chengalur@ncra.tifr.res.in, sap@sao.ru 5. Project Name : HI observations of extremely gas-rich blue/XMP void dwarf galaxies 6. Project Code : 35_066 7. Operator(s) : Deepak, Rupsing, Shilpa, Surender 8. Command File : /odisk/gtac/cmd/35_066/agc239144.cmd 9. LTA File : /gsbifrdata1/25jan/35_066_25jan2019.lta 10. LogFlag File : /odisk/online1/logflags/35_066.FLAGS.2 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1403.5435 MHz ,RF2 : 1403.5435 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1340 MHz, ILO2 : 1340MHz , IVLO1 : 63.5435 MHz, IVLO2 : 63.5435 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 : 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) : 1403.5435 1403.5435 1340 1340 63.5435 63.5435 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) : C02 : : Amplitude and Phase variation/jumps @1420MHz(cha:130). 33. Note for Backup : 34. Start and End Time of Obs.(IST): 25 Jan 2019 01:00:00 - 25 Jan 2019 10:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :25 37. Comments (During Observations) : 00:40 : Started set-up. 00:40 : Started scan on 3C286. 01:00 : Started command file. 05:11 : Stopped command file due to power failure. 05:32 : Restarted command file. 05:34 : Stopped command file due to power failure. 05:58 : Restarted command file. 06:13 : Stopped command file due to power failure. 06:37 : Restarted command file. 06:39 : Stopped command file due to power failure. 06:45 : C13 servo problem. W01 and S03 no DG set backup. 06:58 : Restarted command file. 07:11 : W04 abc timeout. 09:17 : C02 taken for painting. 09:47 : Stopped command file. 09:49 : Started scan on 3C286. 10:00 : Stopped scan and observing session over.