GTAC Observation Log 1. Date : 08/7/2011 2. Observation Sr. No. : 5436 3. Observer : Sandeep Sirothia 4. Observer's Email : sirothia@ncra.tifr.res.in 5. Project Name : GMRT Search for radio-emission from exotic extra-solar planets 6. Project Code : 20_089 7. Operator(s) : Deepak, Rupsingh, Shilpa 8. Command File : /odisk/gtac/cmd/sirothia/20_089_8jul.cmd 9. LTA File : /gsbifrdata1/08jul/20_089_08jul2011.lta, /gsbifrdata1/08jul/20_089_08jul2011.lta.1 10. LogFlag File : /odisk/online1/logflags/20_089.FLAGS.4, /odisk/online1/logflags/20_089.FLAGS.6 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 : 8+12 dB, 32 MHz,ON, IF-CH2 : 8+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 : 16.106 Sec. 26. No of Antennas Working(Fringing) :28 27. Name of Non-Working Antennas (with reason for each) : S06 : Servo problem. C11 : No fringe @130 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 18:30 - 06:58 30. ONLINE Machine : Shivneri 31. Comments (During Observations) : # 2S data file # /gsbifrdata/08jul/20_089_08jul2011_2s.lta, /gsbifrdata/08jul/20_089_08jul2011_2s.lta.1 ---------------------------------------------------- 18:30 : Started scan on 3C286. 18:43 : Stopped scan. 18:47 : Started command file. 20:40 : Stopped command file due to fringe vanished(Master LO). 22:30 : System is ok. 22:34 : Started scan on 3C286. 22:39 : Stopped scan. 22:45 : Restarted command file. 02:07 : S04 abc timeout. 02:35 : Stopped command file. Restarted command file. S04 started working. 06:22 : Stopped command file. 06:26 : Started scan on J0218+4232. 06:41 : Stopped scan. 06:42 : Started scan on 3C48. 06:58 : Stopped scan and observing session over.