GTAC Observation Log 1. Date : 27/08/2016 2. Observation Sr. No. : 8850 3. Observer : Ruta Kale 4. Observer's Email : ruta@ncra.tifr.res.in 5. Project Name : Pilot observations of Abell 2256 with the uGMRT system 6. Project Code : 30_080 7. Operator(s) : Rupsing, Shilpa 8. Command File : /odisk/gtac/cmd/30_080/u30_080_1.cmd 9. LTA File : /gsbifrdata/26aug/30_080_26aug2016.lta, /gwbifrdata1/26aug/30_080_26aug2016_gwb.lta 10. LogFlag File : /odisk/online1/logflags/30_080.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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_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 : 0 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) : 306 306 255 255 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : E06 : Mechanical work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 26 Aug 2016 17:00:00 - 27 Aug 2016 03:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : GWB settings : BW : 200MHz Channels : 2048 Integtime : 8s GABLO : 500MHz --------------------------------------------------------------------------- 17:00 : Started settings. 17:23 : Started scan on 3C286 for 10min. 17:36 : '/odisk/gtac/cmd/30_080/u30_080_1.cmd' command file started. 20:12 : Stopped command file. 20:14 : Started scan on 3C286 for 5min. 20:22 : Restarted command file. 23:22 : Stopped command file -------------------------------------------------------------------------- 23:25 : Started scan on 3C48 23:30 : Stopped scan. -------------------------------------------------------------------------- 30:31 : Started command file "/odisk/gtac/cmd/30_080/u30_080_1.cmd" 01:55 : Stopped command file(source set.) 01:58 : Started scan on 3C48. 02:15 : Stopped command file observation closed.