GTAC Observation Log 1. Date : 22/04/2016 2. Observation Sr. No. : 8520 3. Observer : Jayanta Roy 4. Observer's Email : jroy@ncra.tifr.res.in,bhaswati@ncra.tifr.res.in 5. Project Name : GMRT High Resolution Southern Sky (GHRSS) survey for millisecond pulsars and transients : A SKA precursor survey \r\n\r\n 6. Project Code : 30_037 7. Operator(s) : Pramod, Sachin 8. Command File : /odisk/gtac/cmd/jroy/30_037_21apr.cmd 9. LTA File : /gsbifrdata/21apr/30_037_21apr2016_2s.lta 10. LogFlag File : /odisk/online1/logflags/30_037.FLAGS 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 : 255MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 32 MHz,OFF, IF-CH2 : 24+4 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Host : gsbm1 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : IA 22. Beam - 2 : OFF 23. ACQ BW : 33.333333 MHz 24. Final BW : 33.333333 MHz; Step # 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 306 306 255 255 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C01 : Limit switch hit (feed) E03 : Strong RFI E06 : Low fringe duo to mesh work 33. Note for Backup : 34. Start and End Time of Obs.(IST): 21 Apr 2016 23:00:00 - 22 Apr 2016 08:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 22:15 : Started set up. 22:40 : Power equalized on 0837-198. 23:00 : Started command file. '/odisk/gtac/cmd/jroy/30_037_21apr.cmd' 06:50 : Stopped command file and closed observation session.