GTAC Observation Log 1. Date : 29/09/2015 2. Observation Sr. No. : 8100 3. Observer : Jayaram Narayanan Chengalur, Igor Karachentsev 4. Observer's Email : chengalur@ncra.tifr.res.in, ikar@sao.ru 5. Project Name : HI in the most gas rich galaxies in the local volume 6. Project Code : 28_056 7. Operator(s) : Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/chengalu/lsbcd564.cmd 9. LTA File : /gsbifrdata1/29sep/28_056_29sep15.lta 10. LogFlag File : /odisk/online1/logflags/28_056.FLAGS.7, /odisk/online1/logflags/28_056.FLAGS.6 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1407.5835 MHz ,RF2 : 1407.5835 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1345 MHz, ILO2 : 1345MHz , IVLO1 : 62.5835 MHz, IVLO2 : 62.5835 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 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 : 137.4165 28. LO5 -2 : 167.5835 29. Frequency Parameters (TPA) : 1407.5835 1407.5835 1345 1345 62.5835 62.5835 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C03 : Frequently all mcm timeout. C12 : No fringe. W02 : Not releasing brakes. S04 : Feed jam. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 29 Sep 2015 06:00:00 - 29 Sep 2015 12:03:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :25 37. Comments (During Observations) : 06:00 : Started settings. 07:02 : Started scan on 3C147. 07:13 : Stopped scan. 07:25 : '/odisk/gtac/cmd/chengalu/lsbcd564.cmd' command file started. 09:11 : Stopped command file and changed the track. 09:31 : Restarted command file. 11:06 : S04 started working. 11:39 : C00 taken for maintenance. 11:40 : C04 taken for painting. 11:47 : Stopped command file. 11:52 : Started scan on 3C286. 12:03 : Stopped scan and observing session over.