GTAC Observation Log 1. Date : 16/08/2014 2. Observation Sr. No. : 7290 3. Observer : Anandmayee Tej, Sarita Vig, swagat ranjan das, Swarna Kanti Ghosh, C.H. IshwaraChandra 4. Observer's Email : anandmayee.tej@gmail.com, sarita@iist.ac.in, dasswagat77@gmail.com, swarna@ncra.tifr.res.in, ishwar@ncra.tifr.res.in 5. Project Name : Bubbles as probes for star formation and ISM 6. Project Code : 26_041 7. Operator(s) : Deepak, Navnath, Nilesh 8. Command File : /odisk/gtac/cmd/obs_15aug14.cmd 9. LTA File : /gsbifrdata/15aug/26_041_15aug2014.lta 10. LogFlag File : /odisk/online1/logflags/26_041.FLAGS.7 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1281 MHz ,RF2 : 1281 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1230 MHz, ILO2 : 1230MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 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 : 33.333333 MHz 24. Final BW : 33.333333 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) : 1281 1281 1230 1230 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : W06 : BLDC work S02 : PC104 work W01 : No fringe @ 1280Mhz(Lo1 1320). C14 : Bad band shape (Strong RFI). 33. Note for Backup : 34. Start and End Time of Obs.(IST): 15 Aug 2014 18:00:00 - 16 Aug 2014 00:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 17:45 : Started setup. 17:54 : Started scan on 3C286 for 15min. 18:21 : Started cmd file. /odisk/gtac/cmd/obs_15aug14.cmd 23:38 : Stopped command file. 23:40 : Started scan on phase cal for ~5min. 23:55 : Started scan on 3c48 for ~15min. 00:10 : Stopped scan and closed observation session.