GTAC Observation Log 1. Date : 22/11/2009 2. Observation Sr. No. : 4608 3. Observer : RJ van Weeren 4. Observer's Email : rvweeren@strw.leidenuniv.nl 5. Project Name : Radio Relics 6. Project Code : 17_049 7. Operator(s) : Jayprakash, Nilesh, Rupsingh, 8. Command File : /odisk/gtac/cmd/17_049/21nov.cmd 9. LTA File : /rawdata/22nov/17_049_22nov2009.lta, /rawdata1/22nov/17_049_22nov2009.ltb 10. LogFlag File : /odisk/online1/logflags/17_049.FLAGS.2 ANTENNA SETTINGS : 11. RF Freq(MHz) & Solar Attn(dB)- RF1 : 614 MHz ,RF2 : 244 MHz, SA1 : 0 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 680 MHz, ILO2 : 310 MHz, IVLO1 : 66 MHz, IVLO2 : 66 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 6 MHz,ON 14. BB BW(KHz) & BB ALC : 16000 KHz, ON CORRELATOR SETTINGS : 16. Channels : 0:128:1 17. Frequency Parameters (TPA) : 614 244 680 310 66 66 18. Integration Time : 64 LTA ~ 8.454 Sec. 19. No of Antennas Working(Fringing) :27 20. Name of Non-Working Antennas (with reason for each) : C10 - Servo problem. W05 - LSB bad bandshape. W01 - 235MHz not available. C01,E03 - Phase unstable @ 244MHz. 21. Note for Backup : -- 22. Start and End Time of Obs.(IST): 03:00 - 10:00 23. ONLINE Machine : Lenyadri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : **************************************************** GSB recording file : /gsbifrdata/22nov/17_049_22nov2009_gsb.lta **************************************************** 03:12 : Started scan on 3c147 ~12min. 03:26 : Started command file. 07:50 : C04 servo time out. 09:32 : Stopped command file. 09:40 : Started scan on RX1054. 10:00 : Stopped scan and observation closed. ****************************************************