GTAC Observation Log 1. Date : 04/05/2009 2. Observation Sr. No. : 4270 3. Observer : Chandreyee Sengupta 4. Observer's Email : sengupta@ncra.tifr.res.in 5. Project Name : ngc4027 6. Project Code : 09DT012 7. Operator(s) : Jayprakash, Navanath, Rupsingh, Sachin, 8. Command File : /odisk/gtac/cmd/12mda01/ngc4027.cmd 9. LTA File : /rawdata/4may/09dt012_04may2009.lta, /rawdata1/4may/09dt012_04may2009.ltb 10. LogFlag File : /odisk/online1/logflags/09DT012.FLAGS.1 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, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 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) :27 20. Name of Non-Working Antennas (with reason for each) : E04: servo problem. W04 : IF work. E06 : Painting. 21. Note for Backup : -- 22. Start and End Time of Obs.(IST): 22:10 - 01:00 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 22:10 : Started setup for 09dt012. 22:21 : Started scan on 3C286. 22:23 : Stopped scan. 22:47 : Started command file. /odisk/gtac/cmd/ngc4027.cmd. 00:48 : Stopped the command file. 00:50 : Started scan on 3c286. 01:00 : Stopped the scan & observation session.