GTAC Observation Log 1. Date : 29/10/2016 2. Observation Sr. No. : 8952 3. Observer : Manash Samal 4. Observer's Email : manash.samal3@gmail.com 5. Project Name : Studying ionized gas content of the HII complex SH2-252 with GMRT 6. Project Code : 31_104 7. Operator(s) : Navnath, Pramod, Sachin 8. Command File : /odisk/gtac/cmd/31_104/obs.cmd 9. LTA File : /gsbifrdata1/28oct/31_104_28oct2016.lta 10. LogFlag File : /odisk/online1/logflags/31_104.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 242 MHz ,RF2 : 242 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 304 MHz, ILO2 : 304MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 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 : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 242 242 304 304 62 62 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : E03 : 130 pol low fringe W04 : ABC time out C06 : Frequently applying brakes. C02 : Low fringe 33. Note for Backup : 34. Start and End Time of Obs.(IST): 28 Oct 2016 23:00:00 - 29 Oct 2016 09:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 23:15 : Started set up. 23:42 : Started scan on 3C48. 23:54 : Stopped scan and started command file. /odisk/gtac/cmd/31_104/obs.cmd 08:48 : Started scan on 3c147 for 10min. 09:00 : Observation session over.