GTAC Observation Log 1. Date : 25/05/2015 2. Observation Sr. No. : 7801 3. Observer : Veeresh Singh, C.H. IshwaraChandra, Jon Sievers, Yogesh Wadadekar, Matt Hilton, Alexandre Beelen 4. Observer's Email : veeresh.iia@gmail.com, ishwar@ncra.tifr.res.in, jonathan.sievers@gmail.com, yogesh@ncra.tifr.res.in, hiltonm@ukzn.ac.za, alexandre.beelen@ias.u-psud.fr 5. Project Name : Multi-frequency GMRT radio observations of newly discovered spiral-host radio galaxies 6. Project Code : 28_053 7. Operator(s) : Deepak, Rupsing, Surender 8. Command File : /odisk/gtac/cmd/28_053/s2obs.cmd,/odisk/gtac/cmd/28_053/s4obs.cmd,/odisk/gtac/cmd/28_053/s6obs.cmd,/odisk/gtac/cmd/28_053/s8obs.cmd 9. LTA File : /gsbifrdata/24may/28_053_24may2015.lta 10. LogFlag File : /odisk/online1/logflags/28_053.FLAGS.2 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 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) : 306 306 255 255 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : S04 : BLDC. W04 : Amplitude variation. W05 : Taken for mechanical maintenance. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 24 May 2015 15:00:00 - 25 May 2015 07:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 15:05 : Started scan on 3C147. 15:15 : Stopped scan. 15:23 : Started command file "/odisk/gtac/cmd/28_053/s2obs.cmd" -------------------------------------------------------------------------- 15:30 : C05 servo problem 17:05 : C05 started working. ------------------------------------------------------------------------- 17:05 : W05 released for observation. ------------------------------------------------------------------------- 18:50 : Stopped command file. 18:57 : Started scan on 3C286. 19:07 : Stopped scan. 19:13 : Started command file "/odisk/gtac/cmd/28_053/s4obs.cmd" 23:09 : Stopped command file. ------------------------------------------------------------------------ 23:13 : Started command file "/odisk/gtac/cmd/28_053/s6obs.cmd" 02:56 : Stopped command file. 03:00 : Started command file "/odisk/gtac/cmd/28_053/s8obs.cmd" 06:42 : Stopped command file. 06:45 : Started scan on 3c48. 07:01 : Stopped scan and observing session is over.