GTAC Observation Log 1. Date : 14/08/2017 2. Observation Sr. No. : 9671 3. Observer : Poonam Chandra, Nayana AJ, Dipankar Bhattacharya 4. Observer's Email : poonam@ncra.tifr.res.in, nayan89deva@gmail.com, dipankar@iucaa.in 5. Project Name : Request for continued GMRT Monitoring of radio bright GRB 161219B 6. Project Code : 32_067 7. Operator(s) : Pramod, Sachin 8. Command File : /odisk/gtac/cmd/poonam/32_067/obs_lband.cmd 9. LTA File : /gsbifrdata/14aug/32_067_14aug2017.lta.1, /gwbifrdata1/14aug/32_067_14aug2017_1450LO_gwb.lta 10. LogFlag File : /odisk/online1/logflags/32_067.FLAGS.12 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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) : 1454 1454 1505 1505 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) : E04 : Low fringe in GSB only E06 : frequently getting reset. W03 : Taken for mechanical work S02 : No fringe to 130 pol. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 14 Aug 2017 10:00:00 - 14 Aug 2017 13:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1450 1450 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 32_067 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 128 GPU_GAINEQ : ON GPU_TPA : From GWB GUI. GPU_BITS : For 32 inputs GPU_FILRFI : RFI Filterring OFF -------------------------------- 10:00 : Started set up. 10:06 : Started scan on 3C147 for 10 min. 10:16 : Stopped scan and started command file. '/odisk/gtac/cmd/poonam/32_067/obs_lband.cmd' 12:43 : Stopped command file. 12:47 : Started scan on 3C147. 13:00 : Stopped scan and observation session is over.