GTAC Observation Log 1. Date : 18/11/2014 2. Observation Sr. No. : 7434 3. Observer : Preeti Kharb, S7 Seyfert Collaboration 4. Observer's Email : preeti.kharb@gmail.com, s7_syphysics@googlegroups.com 5. Project Name : STUDYING AGN DYNAMICS WITH THE S7-GMRT SEYFERT SAMPLE 6. Project Code : 27_067 7. Operator(s) : Rupsing, Shilpa 8. Command File : /odisk/gtac/cmd/27_067/17nov_18ist.cmd,,/odisk/gtac/cmd/27_067/17nov_20ist.cmd,,/odisk/gtac/cmd/27_067/18nov_00ist.cmd,,/odisk/gtac/cmd/27_067/18nov_01ist.cmd,,/odisk/gtac/cmd/27_067/18nov_03ist.cmd,,/odisk/gtac/cmd/27_067/18nov_04ist.cmd,, 9. LTA File : /gsbifrdata/17nov/27_067_17nov2014.lta,/gsbifrdata1/17nov/27_067_17nov2014_8s.lta.2,/gsbifrdata1/17nov/27_067_17nov2014_8s.lta.1,/gsbifrdata1/17nov/27_067_17nov2014_8s.lta,/gsbifrdata1/17nov/27_067_17nov2014_2s.lta.2,/gsbifrdata1/17nov/27_067_17nov2014_2s.lta.1,/gsbifrdata1/17nov/27_067_17nov2014_2s.lta 10. LogFlag File : /odisk/online1/logflags/27_067.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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 # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 591 591 540 540 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) : C01 : Feed Cage Support Truss Painting. C13 : Low fringe. E06 : BLDC. S04 : MCM-2 time out. W04 : Low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 17 Nov 2014 17:30:00 - 18 Nov 2014 10:06:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :22 37. Comments (During Observations) : !7:33 : Started scan on 3C48. 17:48 : Stopped scan. 17:55 : Started command file '/odisk/gtac/cmd/27_067/17nov_18ist.cmd' 19:56 : Command file stooped. ---------------------------------------------------------------------------- 20:00 : Started command file '/odisk/gtac/cmd/27_067/17nov_20ist.cmd' 23::40 : Stopped command file and started recording on 3C48 and also started record file for another command file i.e. 00ist.cmd 01:00 : Stopped 00ist.cmd and started 01ist.cmd 02:57 : Stopped command file and starte scan on 3C48 for 10 mins. 04:08 : Stopped command file and as the sources for 04ist.cmd were not up so started 01ist.cmd upto 04:45. 04:56 : Started 04ist.cmd. 08:18 : MSEB power failed, so stopped command file. 08:45 : Antennas started working. C03 - Azimuth brakes applied. S06 - ABC timeout. W05 - 175pol no fringe. 08:48 : Started scan on 3C286. 08:53 : Stopped scan. 08:56 : Restarted command file. 09:44 : Stopped command file. 09:49 : Started scan on 3C286. 10:06 : Stopped scan and observing session over.