GTAC Observation Log 1. Date : 14/5/2011 2. Observation Sr. No. : 5326 3. Observer : Aritra Basu 4. Observer's Email : aritra@ncra.tifr.res.in,paladino@ira.inaf.it 5. Project Name : M81 6. Project Code : 20_064 7. Operator(s) : Rupsingh, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/aritra/20_064/20_064_14may_1.cmd, /odisk/gtac/cmd/aritra/20_064/20_064_14may_2.cmd 9. LTA File : /gsbifrdata/14may/20_064_14may2011.lta 10. LogFlag File : /odisk/online1/logflags/20_064.FLAGS.2 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218 MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 20+4 dB, 16 MHz,OFF, IF-CH2 : 20+4 dB, 16 MHz,OFF GSB SETTINGS : 14. Maximum Channels : 512 15. Final Bandwidth (MHz): OFF MHz; Step # 0 16. IFBW (MHz) : LO5 (KHz) : 16:138000-167000 17. Stokes : Total_Intensity 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. Frequency Parameters (TPA) : 156 156 218 218 62 62. 21. Integration Time : 257.698 Sec. 22. No of Antennas Working(Fringing) :26 23. Name of Non-Working Antennas (with reason for each) : W02 : No fringe. W05 : Servo Problem S04,S06 : OFC cut. 24. Note for Backup :-- 25. Start and End Time of Obs.(IST): 12:50 - 23:00 26. ONLINE Machine : Shivneri 27. Comments (During Observations) : 2S Data File : /gsbifrdata1/14may/20_064_14may2011_2s.lta -------------------------------------------------------------------------------- 12:50 : Started settings. 13:15 : Power equilised on 3C147 @ 300counts. 13:17 : Started scan on 3C147. 13:27 : Stopped scan. 13:34 : '/odisk/gtac/cmd/aritra/20_064/20_064_14may_1.cmd' command file started. Scan no.1 bad. 15:36 : Stopped command file. 15:38 : Started command file '/odisk/gtac/cmd/aritra/20_064/20_064_14may_2.cmd' 16:55 : W05 started working. 20:23 : S04 & S06 started working. 22:20 : Strong rfi lines. 22:42 : Stopped command file. 22:47 : Started scan 3C286. 23:00 : Stopped scan & observation session over.