GTAC Observation Log 1. Date : 5/8/2013 2. Observation Sr. No. : 6642 3. Observer : Richard Shaw,Ue Li Pen,Liam Connor,Gregory Paciga,Hans Nguyen,Jayanta Roy,Yashwant Gupta,TirthankarRoy Choudhury,Jeff Peterson,Tabitha Christine Voytek,Tzu-Ching Chang,Yu-Wei Liao,Jon Sievers,María Montero-Castaño,Adrian Chi-Yan Liu,Steve Myers 4. Observer's Email : jrs65@cita.utoronto.ca,pen@cita.utoronto.ca,connor@astro.utoronto.ca,paciga@astro.utoronto.ca,hans.nguyen@utoronto.ca,jroy@ncra.tifr.res.in,ygupta@ncra.tifr.res.in,tirth@hri.res.in,jbp@cmu.edu,tcv@andrew.cmu.edu,tcchang@asiaa.sinica.edu.tw,ywliao@asiaa.sinica.edu.tw,sievers@cita.utoronto.ca,mmontero@astro.columbia.edu,acliu@mit.edu,smyers@nrao.edu 5. Project Name : The GMRT-EoR Project: Continued analysis with the m-mode decomposition 6. Project Code : 24_047 7. Operator(s) : Pramod,Rupsingh,Shilpa, 8. Command File : 9. LTA File : /gsbifrdata/05aug/24_047_05aug2013.lta, 10. LogFlag File : /odisk/online1/logflags/24_047.FLAGS, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218 MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 16 MHz,OFF, IF-CH2 : 24+4 dB, 16 MHz,OFF GSB SETTINGS : 14. GSB Mode : Realtime 15. GSB LTA : 8 16. GSB CTRL : ONLINE 17. GSB Fstop : ON 18. GAIN EQ : OFF, 19. Stokes : TotIntensity 20. Beam - 1 : OFF 21. Beam - 2 : OFF 22. ACQ BW : 33.33 MHz 23. Final BW : 33.333333 MHz; Step # 0 24. Maximum Channels : 256 25. Channel Numbers : 0:255:1 26. LO5 -1 : 149.00 27. LO5 -2 : 156.00 28. Frequency Parameters (TPA) : 156 156 218 218 62 62. 29. Integration Time : 16.106112 Sec. 30. No of Antennas Working(Fringing) :24 31. Name of Non-Working Antennas (with reason for each) : C00,C01,C08,C12 : ABC timeout. E05 : BLDC work. E02 : MCM 2,3,10 timeout. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 15:15 - 04:00 34. ONLINE Machine : Shivneri 35. Comments (During Observations) : 15:15 : Started settings. 15:45 : Power equalised on 3C286 @ 300counts. Noise source ON, low cal, 25% duty cycle. C00,C01 released for observation. 16:15 : C00,C01 started working. So halted GSB and started EoR observation. 16:20 : Tracking the pulsar B1508+55. 16:40 : Stopped recording. Antennas are splitted ----------------------------------------------------------------------------- # sub 2 # C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 W03 E03 S03 ante 17 7 6 5 1 3 19 20 24 4 12 9 2 11 10 14 18 28 cp 0;defs 2;subar 2 ----------------------------------------------------------------------------- # sub 4 # W01 W02 W04 W05 W06 E02 E04 E05 E06 S01 S02 S04 S06 ante 13 8 13 15 16 25 17 21 22 23 26 27 29 30 cp 0;defs 4;subar 4 ----------------------------------------------------------------------------- 16:50 : Subar 2 is on the meridian pointing at a declination of +55:28:29.02. Subar 4 is tracking the pulsar B1508+55. 00:31 : Parked suba 4 antennas. 01:20 : Started tracking suba4 on B0329+54. 03:41 : All antennas tracking on B0329+54. 04:00 : Stopped tracking & observation session over.