GTAC Observation Log 1. Date : 07/6/2013 2. Observation Sr. No. : 6537 3. Observer : S.K.Sirothia,Ishwar 4. Observer's Email : sirothia@ncra.tifr.res.in 5. Project Name : EN1 6. Project Code : 24_026 7. Operator(s) : Pramod, Surender 8. Command File : /odisk/gtac/cmd/sirothia/24_026_20130607.cmd 9. LTA File : /gsbifrdata/07jun/24_026_07jun2013.lta.1, /gsbifrdata/07jun/24_026_07jun2013.lta.2, 10. LogFlag File : /odisk/online1/logflags/24_026.FLAGS.4, /odisk/online1/logflags/24_026.FLAGS.5 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255 MHz , IVLO1 : 51 MHz, IVLO2 : 51 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 GSB SETTINGS : 14. GSB Mode : RealTime 15. GSB LTA : 8 16. GAIN EQ : ON 17. Stokes : Full_Polar 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. ACQ BW : 32 MHz 21. Maximum Channels : 256 22. IFBW (MHz) : LO5 (KHz) : 32:149000-156000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 306 306 255 255 51 51. 25. Integration Time : 2.013 Sec. 26. No of Antennas Working(Fringing) :28 27. Name of Non-Working Antennas (with reason for each) : E03 : BLDC work. W02 : Servo problem. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 17:45 - 06:00 30. ONLINE Machine : Shivneri 31. Comments (During Observations) : 2sec recording file '/gsbifrdata1/07jun/24_026_07jun2013_2s.lta.1' '/gsbifrdata1/07jun/24_026_07jun2013_2s.lta.2' ------------------------------------------------------------------------------------------ 17:45 : Started set up for 325MHz. 18:04 : Started scan on 3C286. 18:30 : Stopped scan on started follwowing command file. '/odisk/gtac/cmd/sirothia/24_026_20130607.cmd' 18:31 : S01 servo problem arise. 04:49 : Stopped command file. 04:49 : Due to Buffer loss restarted GSB. 04:54 : Restarted command file. 05:27 : Stopped command file. 05:31 : Started scan on J0218+4232. 05:35 : Due to Buffer loss halt the GSB. 05:40 : Correlator chain is not starting.