GTAC Observation Log 1. Date : 06/07/2019 2. Observation Sr. No. : 11222 3. Observer : Sushma Kurapati, Jayaram Narayanan Chengalur, Elizabeth A.K. Adams, Marijana Smailagic, Luke Leisman, Aaron Romanowsky 4. Observer's Email : sushma@ncra.tifr.res.in, chengalur@ncra.tifr.res.in, adams@astron.nl, msmailag@ucsc.edu, leisman@astro.cornell.edu, aaron.romanowsky@sjsu.edu 5. Project Name : %latex% H{\\\\sc i} bearing ultra diffuse galaxies 6. Project Code : 36_062 7. Operator(s) : Deepak, Nilesh, Shilpa 8. Command File : /odisk/gtac/cmd/chengalu/agc124634.cmd 9. LTA File : /gsbifrdata1/06jul/36_062_06jul2019_gsb.lta, /gwbifrdata1/06jul/36_062_06jul2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.3224, /odisk/online1/logflags/36_062.FLAGS.8 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1399.2335 MHz ,RF2 : 1399.2335 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1340 MHz, ILO2 : 1340MHz , IVLO1 : 59.2335 MHz, IVLO2 : 59.2335 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 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 : 4 MHz; Step # 2 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 140.7665 28. LO5 -2 : 164.2335 29. Frequency Parameters (TPA) : 1399.2335 1399.2335 1340 1340 59.2335 59.2335 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : S06 : ABC timeout. E03 : Chksum error in GAB. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 06 Jul 2019 03:00:00 - 06 Jul 2019 13:05:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 100.0000 GPU_FINAL_BW : 6.2500 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 : 37.8500 37.8500 GPU_SB4 : 1 1 GCODE4 : 36_062 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 : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 03:00 : Started settings. 03:26 : Started scan on 3C48 for ~ 10.7374 min. 03:40 : '/odisk/gtac/cmd/chengalu/agc124634.cmd' command file started. ----------------------------------------------------------------------- 09:47 : E03 started working. ----------------------------------------------------------------------- 12:43 : S-arm power failure. 12:49 : S-arm power resumed. ----------------------------------------------------------------------- 12:52 : Stopped command file. 12:55 : Started scan on 3C147. 13:05 : Stopped scan and observation closed.