GTAC Observation Log 1. Date : 20/04/2010 2. Observation Sr. No. : 4821 3. Observer : Nimisha 4. Observer's Email : tventuri@ira.inaf.it,ngk@ncra.tifr.res.in 5. Project Name : Coma-A1367 6. Project Code : 18_022 7. Operator(s) : Navanath, Nilesh, Santaji, 8. Command File : /odisk/gtac/cmd/venturi/18_022_obs.cmd 9. LTA File : /rawdata/20apr/18_022_20apr2010.lta, /rawdata1/20apr/18_022_20apr2010.ltb 10. GSB File : /gsbifrdata/20apr/18_022_20apr2010_gsb.lta 11. LogFlag File : /odisk/online1/logflags/18_022.FLAGS ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : 14 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 218 MHz, ILO2 : 218 MHz, IVLO1 : 62 MHz, IVLO2 : 62 MHz 14. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON 15. BB BW(KHz) & BB ALC : 16000 KHz, ON CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 156 156 218 218 62 62 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) : C01- off mode. E03,E04 -no fringe. 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 20:00 - 05:30 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 20:00 : Started Setup for 18_022 project. 20:10 : Started command file. 23:00 : E03 started working. 04:30 : C14 - ABC time out. 05:20 : scan started on 3c286. 05:30 : observation session over.