GTAC Observation Log 1. Date : 14/09/2016 2. Observation Sr. No. : 8891 3. Observer : Jagadheep D Pandian, Dharam Vir Lal 4. Observer's Email : jagadheep@iist.ac.in, dharam@ncra.tifr.res.in 5. Project Name : Probing the ionized gas environment around ultracompact HII regions 6. Project Code : 30_054 7. Operator(s) : Navnath, Pramod 8. Command File : /odisk/gtac/cmd/30_054/13sep16/obs_13sep.cmd 9. LTA File : /gsbifrdata1/13sep/30_054_13sep2016.lta 10. LogFlag File : /odisk/online1/logflags/30_054.FLAGS.4 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1392 MHz ,RF2 : 1392 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1330 MHz, ILO2 : 1330MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1_shivneri 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 16.666666 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 1392 1392 1330 1330 62 62 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : S02 : Servo problem 33. Note for Backup : 34. Start and End Time of Obs.(IST): 13 Sep 2016 19:00:00 - 14 Sep 2016 00:15:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : 18:30 : Started set up. 18:49 : Started scan on 3C286 for 12 min. 19:01 : Stopped scan and started command file. '/odisk/gtac/cmd/30_054/13sep16/obs_13sep.cmd' 22:00 : S02 started working. 23:58 : Started scan on 3C48 for 15 min. 00:12 : Observation session over.