GTAC Observation Log 1. Date : 27/10/2014 2. Observation Sr. No. : 7386 3. Observer : Lijo Thomas George, Ruta Kale, Viral Parekh, Dwarakanath K.S. 4. Observer's Email : lijo@rri.res.in, ruta@ncra.tifr.res.in, viral.parekh2912@gmail.com, dwaraka@rri.res.in 5. Project Name : Low frequency study of candidate mini-halos 6. Project Code : 27_052 7. Operator(s) : Nilesh, Pramod, Rupsing 8. Command File : /odisk/gtac/cmd/lijo/a2204_610/a2204.cmd,/odisk/gtac/cmd/lijo/z1742_610/obs.cmd,,/odisk/gtac/cmd/lijo/m0159_610/obs.cmd,,/odisk/gtac/cmd/lijo/m0329_610/obs.cmd 9. LTA File : /gsbifrdata/26oct/27_052_z1742_26oct2014.lta,/gsbifrdata/26oct/27_052_m0159_26oct2014.lta,/gsbifrdata/26oct/27_052_a2204_26oct2014.lta,/gsbifrdata/27oct/27_052_m0329_27oct2014.lta 10. LogFlag File : /odisk/online1/logflags/27_052.FLAGS 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 : 16+10 dB, 32 MHz,ON, IF-CH2 : 16+10 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 :24 32. Name of Non-Working Antennas (with reason for each) : C01 : MCM 5 time out. W03 : Feed jam. E05 : Large servo offsets. E06 : Taken for BLDC. W01 : Phase jumps. E02 : Phase variations. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 26 Oct 2014 12:00:00 - 27 Oct 2014 06:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :24 37. Comments (During Observations) : 12:00 : Started settings. 12:15 : Started scan on 3c286 for ~ 12min. 12:35 : Started command file. '/odisk/gtac/cmd/lijo/a2204_610/a2204.cmd' 16:29 : Stopped command file. 16:32 : Started scan on 3C286. 16:42 : Stopped scan. 16:45 : Started command file '/odisk/gtac/cmd/lijo/z1742_610/obs.cmd' 20:00 : Stopped command file. 20:10 : Started scan on 3C48 20:20 : Stopped scan. 20:22 : Started command file '/odisk/gtac/cmd/lijo/m0159_610/obs.cmd' 00:53 : Stopped command file. 01:05 : Started scan on 3C147. (Common for both lta file) 01:15 : Stopped scan and started command file. '/odisk/gtac/cmd/lijo/m0329_610/obs.cmd' 05:56 : Stopped command file. 06:00 : Started scan on 3C147. 06:18 : Stopped scan and observation session is over.