GTAC Observation Log 1. Date : 27/03/2016 2. Observation Sr. No. : 8501 3. Observer : Sarita Vig, Anandmayee Tej, Swarna Kanti Ghosh 4. Observer's Email : sarita@iist.ac.in, anandmayee.tej@gmail.com, "swarna@ncra.tifr.res.in" 5. Project Name : Low radio frequency nature of a jet from a massive protostar 6. Project Code : 29_029 7. Operator(s) : Nilesh, Rupsing, Surender 8. Command File : /odisk/gtac/cmd/29_029/27mar16/obs27mar.cmd 9. LTA File : /gsbifrdata1/27mar/29_029_27mar2016_gsb.lta 10. LogFlag File : /odisk/online1/logflags/29_029.FLAGS.2 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1281 MHz ,RF2 : 1281 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1230 MHz, ILO2 : 1230MHz , 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 : Full_Stokes 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) : 1281 1281 1230 1230 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C14 : : Servo Problem. E06 : : Reflector surface refurbishment. W01 : : Very low fringe @ 1280 MHz. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 27 Mar 2016 03:00:00 - 27 Mar 2016 11:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 03:00 : Started settings. 03:17 : Started scan on 3c286 for ~ 15 min. 03:37 : Started command file. '/odisk/gtac/cmd/29_029/27mar16/obs27mar.cmd'. 08:31 : C04 applied el brake. 09:10 : W04 taken for painting. 10:04 : Closed observation. (there is no pointing slot for next GTAC observation, so closed observation before time)