GTAC Observation Log 1. Date : 11/05/2017 2. Observation Sr. No. : 9377 3. Observer : Nissim Kanekar 4. Observer's Email : nkanekar@ncra.tifr.res.in 5. Project Name : DDT Observation 6. Project Code : DDTB269 7. Operator(s) : Deepak, Navnath, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/nissim/1245-197.cmd 9. LTA File : /gsbifrdata1/10may/ddtb269_10may2017.lta, /gwbifrdata/10may/ddtb269_10may2017_700.lta 10. LogFlag File : /odisk/online1/logflags/DDTB269.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 616 MHz ,RF2 : 616 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 555 MHz, ILO2 : 555MHz , IVLO1 : 61 MHz, IVLO2 : 61 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 : OFF 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 : 139 28. LO5 -2 : 166 29. Frequency Parameters (TPA) : 616 616 555 555 61 61 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C14 : Structural Repair Work E06 : Large offset.(7d) 33. Note for Backup :Some scans shows phase ramp or phase variation. 34. Start and End Time of Obs.(IST): 10 May 2017 19:45:00 - 10 May 2017 02:25:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 19:45 : Started setup. 19:57 : Started command file. /odisk/gtac/cmd/nissim/1245-197.cmd, 01:00 : E06 started working. 02:05 : Command file stopped. 02:11 : Started scan on 3C286 for 12mins. 02:25 : Observation stopped.