GTAC Observation Log 1. Date : 13/02/2016 2. Observation Sr. No. : 8408 3. Observer : Subhashis Roy 4. Observer's Email : sroy@ncra.tifr.res.in 5. Project Name : UGMRT PROPOSAL: GALACTIC CENTRE 6. Project Code : DDTU8 7. Operator(s) : Nilesh, Rupsing 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata1/13feb/ddtu8_13feb2016.lta 10. LogFlag File : /odisk/online1/logflags/DDTU8.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 : 20+10 dB, 32 MHz,OFF, IF-CH2 : 20+10 dB, 32 MHz,OFF 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 : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 33.333333 MHz 24. Final BW : 33.333333 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 306 306 255 255 51 51 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) : C08 : : BLDC installation. E03 : : Strong RFI lines. S02 : : Bad Band Shape in GWB. E04 : : CST Painting. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 13 Feb 2016 06:50:00 - 13 Feb 2016 12:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 06:50 : Pointing done and started settings. 07:10 : Started power equalization for GWB at 150 counts on GCP1. 07:25 : Power equalization done for GWB, and started observations. 07:35 : Started power equalization for GSB @ 250 counts on GCP1. 07:50 : Power equalization done for GSB. 12:10 : Stopped observations.