GTAC Observation Log 1. Date : 27/06/2010 2. Observation Sr. No. : 4932 3. Observer : Neeraj Gupta 4. Observer's Email : nrjgupta@gmail.com 5. Project Name : J1623+018 6. Project Code : 18_044 7. Operator(s) : Deepak, Nilesh, Rupsingh, 8. Command File : /odisk/gtac/cmd/neeraj/mg1623.cmd 9. LTA File : /rawdata/27jun/18_044_27jun2010.lta, /rawdata1/27jun/18_044_27jun2010.ltb 10. GSB File : /gsbifrdata1/27jun/18_044_27jun2010_gsb.lta 11. LogFlag File : /odisk/online1/logflags/18_044.FLAGS.1 ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 607.8335 MHz ,RF2 : 607.8335 MHz, SA1 : 0 dB, SA2 : 0 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 540 MHz, ILO2 : 540 MHz, IVLO1 : 67.8335 MHz, IVLO2 : 67.8335 MHz 14. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 6 MHz,ON, IF-CH2 : 4+12 dB, 6 MHz,ON 15. BB BW(KHz) & BB ALC : 500 KHz, ON CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 607.8335 607.8335 540 540 67.8335 67.8335 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :25 20. Name of Non-Working Antennas (with reason for each) : C05 : phase jumps.(GHB+GSB). C08 : Fringe fluctuation(GHB). C09 : Fringe fluctuation(GHB). C11 : freq. applying brake. S01 : No fringe. 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 17:00 - 02:00 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 17:50 : Started scan on 3C286. 18:16 : Stopped scan. 18:18 : Started command file /odisk/gtac/cmd/neeraj/mg1623.cmd 21:20 : Command file stopped. 21:26 : Started scan on 3C286 for 15mins. 21:48 : Restarted command file. 23:56 : started on scan 3c286 for 10 min. 00:11 : Restarted command file. 02:00 : stopped the command file and observation session.