GTAC Observation Log 1. Date : 31/07/2009 2. Observation Sr. No. : 4441 3. Observer : Ishwar Chandra 4. Observer's Email : ishwar@ncra.tifr.res.in 5. Project Name : Radio Monitoring of GRB030329 Afterglow 6. Project Code : 16_266 7. Operator(s) : Deepak, Jayprakash, Rupsingh, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/ishwar/16_266_31jul.cmd 9. LTA File : /rawdata/31jul/16_266_31jul2009.lta, /rawdata1/31jul/16_266_31jul2009.ltb, /rawdata/31jul/16_266_31jul2009.lta.1, /rawdata1/31jul/16_266_31jul2009.ltb.1 10. LogFlag File : /odisk/online1/logflags/16_266.FLAGS.2, /odisk/online1/logflags/16_266.FLAGS.4 ANTENNA SETTINGS : 11. RF Freq(MHz) & Solar Attn(dB)- RF1 : 1280 MHz ,RF2 : 1280 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 1210 MHz, ILO2 : 1210 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) : 1280 1280 1210 1210 70 70 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :29 20. Name of Non-Working Antennas (with reason for each) : E04 : Servo problem. 21. Note for Backup : -- 22. Start and End Time of Obs.(IST): 08:55 - 20:17 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 08:55 : Started settings. 09:13 : Started scan on 3C147. 09:31 : Stopped scan. 09:41 : '/odisk/gtac/cmd/ishwar/16_266_31jul.cmd' command file started. 12:00 : Frontend group taken W01. 12:10 : W01 released. 14:40 : Due to high wind stopped observation and parked all antennas. 14:53 : Wind speed looks normal, restarted command file. 14:58 : Stopped command file due to source transit and fstop was giving error " Ignoring updates ". 15:26 : Restarted command file. 19:59 : Stopped command file. 20:01 : Started scan on 3C286. 20:17 : Stopped scan and observation session.