GTAC Observation Log 1. Date : 02/09/2019 2. Observation Sr. No. : 11383 3. Observer : Kamlesh Rajpurohit, Franco Vazza, Matthias Hoeft, Reinout Johannes vanWeeren, Annalisa Bonafede, Lawrence Rudnick, Nicola Locatelli, Jean Eilek, Huib T Intema, Frazer Nelson Owen, Arvind Singh Rajpurohit, Cosmos Dumba 4. Observer's Email : phy.kamlesh@gmail.com, f.vazza@jacobs-university.de, hoeft@tls-tautenburg.de, rvweeren@strw.leidenuniv.nl, a.bonafede@ira.inaf.it, unused-larry@umn.edu, locatelli@ira.inaf.it, jeilek@aoc.nrao.edu, intema@strw.leidenuniv.nl, fowen@aoc.nrao.edu, arvindr@prl.res.in, cosmos.dumba@yahoo.com 5. Project Name : The first low frequnecy high resolution study of radio relics with filamentary structures: spectra and depolarization 6. Project Code : 36_006 7. Operator(s) : Deepak, Nilesh 8. Command File : /odisk/gtac/cmd/36_006/CIZAJ2242-cmdfile-1_cmd,, /odisk/gtac/cmd/36_006/CIZAJ2242-cmdfile-2_cmd 9. LTA File : /gsbifrdata1/01sep/36_006_01sep2019_s4_gsb.lta, /gsbifrdata1/01sep/36_006_01sep2019_gsb.lta, /gwbifrdata/01sep/36_006_01sep2019_gwb.lta, /gwbifrdata1/01sep/36_006_01sep2019_s4_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_006.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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 : 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) : 591 591 540 540 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :30 32. Name of Non-Working Antennas (with reason for each) : -- 33. Note for Backup :-- 34. Start and End Time of Obs.(IST): 01 Sep 2019 18:00:00 - 02 Sep 2019 06:20:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :30 37. RFI Status :-- 38. Comments (During Observations) : 18:00 : Started settings. ------------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 : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 36_006 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 : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 18:07:02 : Started scan on 3C286 for ~ 7.6504 min. 18:30:27 : Started scan on 2202+422 for ~ 13.8244 min. 18:50:02 : Started scan on 3C286 for ~ 6.8451 min. 19:00 : Started command file. /odisk/gtac/cmd/36_006/CIZAJ2242-cmdfile-1_cmd 20:21 : Stopped command file. 20:22 : Started scan on phase cal 2202+422 for ~5 min. 20:31 : Started scan on 3C286 for ~ 15 min. 20:49 : Started command file without polarization calibrator. 21:26 : S04 ABC time out. 21:52 : S04 started working. 05:40 : Stopped command file. 05:40 : Started scan on 3C147 for ~ 4.83183 min. 05:49 : Started scan on 3C138 for ~ 9.79788 min. 06:00 : Stopped scan and observing session over.