GTAC Observation Log 1. Date : 02/05/2009 2. Observation Sr. No. : 4264 3. Observer : Ekta 4. Observer's Email : ekta@ncra.tifr.res.in 5. Project Name : S1006 6. Project Code : 16_275 7. Operator(s) : Sachin, Santaji, 8. Command File : /odisk/gtac/cmd/ekta/s1037.cmd 9. LTA File : /rawdata/2may/16_275_02may2009.lta, /rawdata1/2may/16_275_02may2009.ltb, /rawdata/2may/16_275_02may2009.lta.1, /rawdata1/2may/16_275_02may2009.ltb.1 10. LogFlag File : /odisk/online1/logflags/16_275.FLAGS.1 ANTENNA SETTINGS : 11. RF Freq(MHz) & Solar Attn(dB)- RF1 : 1412.243 MHz ,RF2 : 1412.243 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 1345 MHz, ILO2 : 1345 MHz, IVLO1 : 67.243 MHz, IVLO2 : 67.243 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON 14. BB BW(KHz) & BB ALC : 2000 KHz, ON CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 1412.243 1412.243 1345 1345 67.243 67.243 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :26 20. Name of Non-Working Antennas (with reason for each) : C03 : servo problem. C14 : ele problem. W02 : all mcm time out. E06 : painting. 21. Note for Backup : -- 22. Start and End Time of Obs.(IST): 17:00 - 00:00 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : -------------------------------------------- 17:00 : setup started. 17:13 : scan started on 3c147. 17:26 : started command file. 18:30 : C03,C14 started working. 19:05 : E06 released for observation. 21:10 : C10 - servo brakes probelm. 21:25 : C13 - servo time out. 22:30 : C10 - started working. 23:30 : Observation sessio over. : Started new setup. settings : TPA : 1416.5100 1416.5100 1350 1350 66.5100 66.5100 00:01 : Started scan on 3c286 for 5 min. 00:08 : Started command file. 05:02 : Started scan on phase cal for 10min. 05:18 : Started scan on flux cal for 25min. 06:00 : Observing session over.