GTAC Observation Log 1. Date : 10/11/2012 2. Observation Sr. No. : 6214 3. Observer : Ananda Hota 4. Observer's Email : hotaananda@gmail.com 5. Project Name : Looking for HI-signature of multiple feedbacks in NGC3801 6. Project Code : 23_047 7. Operator(s) : Shilpa, Surender 8. Command File : /odisk/gtac/cmd/ananda/ngc3801.cmd 9. LTA File : /gsbifrdata/10nov/23_047_10nov2012.lta 10. LogFlag File : /odisk/online1/logflags/23_047.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1386 MHz ,RF2 : 1386 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1335 MHz, ILO2 : 1335 MHz , 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 Mode : RealTime 15. GSB LTA : 8 16. GAIN EQ : ON 17. Stokes : Full_Polar 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. ACQ BW : 32 MHz 21. Maximum Channels : 256 22. IFBW (MHz) : LO5 (KHz) : 32:149000-156000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 1386 1386 1335 1335 51 51. 25. Integration Time : 16.106 Sec. 26. No of Antennas Working(Fringing) :24 27. Name of Non-Working Antennas (with reason for each) : C00 : BLDC work. W05 : Up gradation work(Mech) C02 : Low fringe. C09 : 130 low fringe. W01 : Low fringe. S01 : Low fringe. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 03:00 - 12:00 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 2S Data File : /gsbifrdata1/10nov/23_047_10nov2012_2s.lta ------------------------------------------------------------------------ RF band= 1390 (1330 - 1450) LO1= 1335 (lower) IFBW= 34 GSB [ACQ] BW= 33.3333 Total Channel= 256 Line/Center Frequency= 1404.86 CH#[0]= 1386 CH#[512]= 1419.3333 BW= +33.3333 CW= 65.10 (KHz.) Digital SubBand/step#= 0 GSB_CONFIG LO5= 149 156 LTA_FILE L05= 149 156 BASE_BAND LO4= 51 51 tpa 1386 1386 1335 1335 51 51 ------------------------------------------------------------------------ 03:00 : Started settings. 04:00 : Changed settings. 04:48 : Started scan on 3C147. 05:03 : Stopped scan. 05:14 : '/odisk/gtac/cmd/ananda/ngc3801.cmd' command file started. 06:55 : E02-taken for painting. 08:00 : W01 started working. 09:05 : Servo problem for C03. 10:22 : C03 started working. 10:42 : W-arm antenna power failure. 10:45 : W-arm antenna started working. 11:23 : S01 is taken for Maintenance. 11:48 : Stopped command file. 11:49 : Started scan on '3c286'. 12:00 : Stopped scan on '3c286' & observation is over.