GTAC Observation Log 1. Date : 24/11/2014 2. Observation Sr. No. : 7444 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 void galaxies 6. Project Code : 27_035 7. Operator(s) : Nilesh, Rupsing 8. Command File : /odisk/gtac/cmd/chengalu/ugc3501.cmd 9. LTA File : /gsbifrdata/23nov/27_035_23nov2014.lta 10. LogFlag File : /odisk/online1/logflags/27_035.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1408 MHz ,RF2 : 1408 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1345 MHz, ILO2 : 1345MHz , IVLO1 : 63 MHz, IVLO2 : 63 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1 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 # 2 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 137 28. LO5 -2 : 168 29. Frequency Parameters (TPA) : 1408 1408 1345 1345 63 63 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : W04 : Low cross amplitude counts but phases are stable. W06 : Low cross amplitude counts but phases are stable. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 Nov 2014 21:00:00 - 24 Nov 2014 05:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 21:00 : Started scan on 3C48. 21:17 : Stopped scan. 21:21 : Started command file. 04:43 : Stopped command file. 04:47 : Started scan on 3c286 for ~12min. 05:00 : Stopped command file, and stopped observation.