GTAC Observation Log 1. Date : 14/01/2009 2. Observation Sr. No. : 4712 3. Observer : Nirupam Roy 4. Observer's Email : nroy@aoc.nrao.edu 5. Project Name : TOO 6. Project Code : 10DT002 7. Operator(s) : Deepak, Nilesh, 8. Command File : /odisk/gtac/cmd/nirupam/14jan10/too.cmd 9. LTA File : /rawdata/14jan/10dt002_14jan10.lta, /rawdata/14jan/10dt002_14jan10.lta.1, /rawdata1/14jan/10dt002_14jan10.ltb, /rawdata1/14jan/10dt002_14jan10.ltb.1, 10. LogFlag File : /odisk/online1/logflags/ ANTENNA SETTINGS : 11. RF Freq(MHz) & Solar Attn(dB)- RF1 : 325 MHz ,RF2 : 325 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 255 MHz, ILO2 : 255 MHz, IVLO1 : 70 MHz, IVLO2 : 70 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 14. BB BW(KHz) & BB ALC : 16000 KHz, ON CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 325 325 255 255 70 70 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :20 20. Name of Non-Working Antennas (with reason for each) : Hardware Correlator Problem : C05-C14,W01 : Zero self and cross. 21. Note for Backup : -- 22. Start and End Time of Obs.(IST): 18:00 - 21:00 23. ONLINE Machine : Lenyadri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 17:45 : Electrical Power failure. 18:03 : Power restored. 18:10 : Hadrware correlator problem. Delay bin #2 and #3 could not be configured. C05-C14,W01 : Zero self and cross. GSB DATA FILES : /gsbifrdata/14jan/10dt002_14jan2010_gsb.lta 18:53 : Started scan on 3c147 for 15min. 19:10 : Started command file. 19:20 : Stopped Hardware das chain for maintenance. 20:08 : Hardware corr. released for observation. 20:10 : Started scan on 3C147 for 7mins. 20:22 : Started scan on 0447-220 for 7mins. 20;32 : Started scan on NERI20. 20:55 : Started scan on 0447-220 for 5mins. 21:00 : Observation stopped.