GTAC Observation Log 1. Date : 28/07/2017 2. Observation Sr. No. : 9611 3. Observer : Nirupam Roy, Nissim Kanekar, Jayaram Narayanan Chengalur, Narendranath Patra 4. Observer's Email : roy.nirupam@gmail.com, nkanekar@ncra.tifr.res.in, chengalur@ncra.tifr.res.in, narendra@ncra.tifr.res.in 5. Project Name : The Temperature of the Warm Neutral Medium in the Milky Way 6. Project Code : 32_056 7. Operator(s) : Rupsing, Surender 8. Command File : /odisk/gtac/cmd/nissim/1326\+319.cmd 9. LTA File : /gsbifrdata1/28jul/32_056_28jul2017.lta.1, /gsbifrdata1/28jul/32_056_28jul2017.lta, /gwbifrdata2/28jul/32_056_28jul2017_gwb.lta.1, /gwbifrdata2/28jul/32_056_28jul2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/32_056.FLAGS.2, /odisk/online1/logflags/32_056.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1411 MHz ,RF2 : 1411 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1350 MHz, ILO2 : 1350MHz , 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 : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 16.666666 MHz 24. Final BW : 2 MHz; Step # 4 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 139 28. LO5 -2 : 166 29. Frequency Parameters (TPA) : 1411 1411 1350 1350 61 61 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 : : Strong RFI. C02-130,C09-175,C10-130,E03,E04-175,S01-175 : Low self power @GWB o/p. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 28 Jul 2017 18:00:00 - 28 Jul 2017 23:05:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 17:15 : Started set-up. 17:26 : Started command file. /odisk/gtac/cmd/nissim/1326+319.cmd 18:00 : Stopped command file. 18:06 : Restarted command file.(with power equalize.) 23:00 : Stopped command file and observing sesion over. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 6.25 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : 130; 2 Total_Intensity; 4 Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 36.75 36.75 GPU_SB4 : 1 1 GCODE4 : 32_056 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_1 : : GPU_BEAM_2 : : GPU_BM_INT : 128 GPU_GAINEQ : ON GPU_TPA : From GWB GUI. GPU_BITS : 32 inputs. GPU_FILRFI : RFI Filterring OFF -------------------------------------------------------------------------- 23:00 : Stopped command file observation closed