GTAC Observation Log 1. Date : 04/08/2010 2. Observation Sr. No. : 4997 3. Observer : Gregory Paciga 4. Observer's Email : paciga@astro.utoronto.ca 5. Project Name : The GMRT EoR Project 6. Project Code : 18_058 7. Operator(s) : Deepak, Nilesh, Sachin, 8. Command File : /odisk/gtac/cmd/uelipen/aug05_final.1.cmd, /odisk/gtac/cmd/uelipen/aug05_final.2.cmd 9. LTA File : /rawdata/5aug/18_054_05aug2010.lta, /rawdata1/5aug/18_054_05aug2010.ltb, 10. GSB File : 11. LogFlag File : /odisk/online1/logflags/18_058.FLAGS.19 ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : 14 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 218 MHz, ILO2 : 218 MHz, IVLO1 : 62 MHz, IVLO2 : 62 MHz 14. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+10 dB, 16 MHz,OFF, IF-CH2 : 24+10 dB, 16 MHz,OFF 15. BB BW(KHz) & BB ALC : 16000 KHz, OFF CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 156 156 218 218 62 62 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :28 20. Name of Non-Working Antennas (with reason for each) : C08 : Fringe fluctuations. E05 : No Fringe. 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 20:00 - 07:00 23. ONLINE Machine : Shivneri 24. Correlator Mode : UsbPolar 25. Comments (During Observations) : **************************************************** 19:30 : Started power eq. 20:00 : Power eq. done. 20:01 : Noise source on,low cal,25% duty cycle. 20:15 : Source risen, started command file '/odisk/gtac/cmd/uelipen/aug04_final.1.cmd'. 21:07 : S-arm power failure. 21:40 : S-arm power restored. 21:55 : S-arm started working. 00:04 : Started command file /odisk/gtac/cmd/uelipen/aug04_final.2.cmd 07:00 : Observation stopped. ****************************************************