GTAC Observation Log 1. Date : 30/06/2015 2. Observation Sr. No. : 7880 3. Observer : Mooley, Preshanth Jagannathan, Huib Intema, Nimisha Kantharia, Gregg Hallinan, Shrinivas R Kulkarni, Dale A Frail, Steve Myers 4. Observer's Email : kunal@astro.caltech.edu, preshanth@ras.ucalgary.ca, hintema@nrao.edu, ngk@ncra.tifr.res.in, gregg@it.nuigalway.ie, prkulkarni@mac.com, dfrail@nrao.edu, smyers@nrao.edu 5. Project Name : A GMRT 150 MHz Transient Survey in 300 sq deg of SDSS Stripe 82 6. Project Code : 28_082 7. Operator(s) : Deepak, Nilesh, Rupsing, Shilpa, Surender 8. Command File : /odisk/gtac/cmd/28_082/obs_29jun.cmd 9. LTA File : /gsbifrdata1/29jun/28_082_29jun2015.lta 10. LogFlag File : /odisk/online1/logflags/28_082.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 10+12 dB, 16 MHz,ON, IF-CH2 : 10+12 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 : Full_Stokes 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 16.666666 MHz 24. Final BW : 16.666666 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 156 156 218 218 62 62 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) : C13 : BLDC E04 : Servo problem. W05 : Low fringe. S03 : No fringe @175 pole. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 29 Jun 2015 22:00:00 - 30 Jun 2015 09:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 22:15 : Started command file. 03:18 : Stopped command file. 03:20 : Started scan on 3C48. 03:36 : Restarted command file. 07:49 : C14 automatically got abc reset. 08:21 : C14 started working. 08:40 : Stopped command file. 08:44 : Started scan on 3C48. 09:00 : Stopped scan and observing session over.