GTAC Observation Log 1. Date : 24/07/2017 2. Observation Sr. No. : 9598 3. Observer : Lokesh Kumar Dewangan, Devendra Kumar Ojha, Igor Zinchenko, Tapas Baug 4. Observer's Email : lokeshd@prl.res.in, ojha@tifr.res.in, zin@appl.sci-nnov.ru, tapas.polo@gmail.com 5. Project Name : Investigation of the ionized gas content in the mid-infrared bubble CN139 6. Project Code : 32_059 7. Operator(s) : Navnath, Nilesh 8. Command File : /odisk/gtac/cmd/32_059/23jul17/obs_23jul.cmd 9. LTA File : /gsbifrdata/23jul/32_059_23jul2017_s1.lta 10. LogFlag File : /odisk/online1/logflags/32_059.FLAGS.1, /odisk/online1/logflags/32_059.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , IVLO1 : 51 MHz, IVLO2 : 51 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 : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : W03 : RFI 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 Jul 2017 18:00:00 - 24 Jul 2017 02:05:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 18:00 : Started setup. 18:24 : Started scan on 3C286 for 15 min. 18:40 : Started cmd file. /odisk/gtac/cmd/32_059/23jul17/obs_23jul.cmd 01:39 : Stopped scan and command file. 01:46 : Started scan on 3C48 for ~ 15 min. 02:02 : Stopped scan and closed observations.