GTAC Observation Log 1. Date : 20/11/2015 2. Observation Sr. No. : 8185 3. Observer : Alka Mishra, Nimisha Kantharia, Mousumi Das 4. Observer's Email : alkam7@gmail.com, ngk@ncra.tifr.res.in, chandaniket@gmail.com 5. Project Name : Continuation of Radio Continuum study of Low Surface Brightness Galaxies 6. Project Code : 29_008 7. Operator(s) : Navnath, Pramod 8. Command File : /odisk/gtac/cmd/alka/29_008/29_008-19nov15.cmd 9. LTA File : /gsbifrdata/19nov/29_008_19nov2015.lta 10. LogFlag File : /odisk/online1/logflags/29_008.FLAGS.4, /odisk/online1/logflags/29_008.FLAGS.3, /odisk/online1/logflags/29_008.FLAGS.2, /odisk/online1/logflags/29_008.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 629 MHz ,RF2 : 253 MHz, SA1 : 0 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 680 MHz, ILO2 : 304MHz , 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, 16 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 : 33.333333 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 629 253 680 304 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :25 32. Name of Non-Working Antennas (with reason for each) : C11 : CST painting. W03 : Taken for BLDC S03 : No fringe 610 MHz(130 pole). C10 and E02 : No feed of 235 MHz. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 19 Nov 2015 22:00:00 - 20 Nov 2015 05:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :25 37. Comments (During Observations) : 22:00 to 23:00 : ONLINE problem.Hence could not start observation. 23:00 : Started setup. 23:20 : Started scan 3c147 for 10 min. 23:30 : Stopped scan and started command file. '/odisk/gtac/cmd/alka/29_008/29_008-19nov15.cmd' 04:56 : Started scan on 3C147 05:10 : Observation session over. -----------------------------------------------------