GTAC Observation Log 1. Date : 01/09/2019 2. Observation Sr. No. : 11382 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) : Rupsing, Shilpa 8. Command File : /odisk/gtac/cmd/36_006/MACSJ0717-cmdfile-1_cmd, /odisk/gtac/cmd/36_006/MACSJ0717-cmdfile-2_cmd 9. LTA File : /gsbifrdata1/01sep/36_006_01sep2019_gsb.lta, /gwbifrdata/01sep/36_006_01sep2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_006.FLAGS 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+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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 : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C04 : Feed jam W02 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 01 Sep 2019 03:00:00 - 01 Sep 2019 15:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status :Broadband RFI. 38. 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 : 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 ------------------------------------------------------------------------- 03:08 : Setup done. ------------------------------------------------------------------------- 03:10 : Started scan on 3C147 for 5min. ------------------------------------------------------------------------- 03:18 : Started command file '/odisk/gtac/cmd/36_006/MACSJ0717-cmdfile-1_cmd' ------------------------------------------------------------------------ 03:25 : Stopped command file due to source rise @03:41 ------------------------------------------------------------------------ 03:30 : Started scan on 3C147 for 5min. ------------------------------------------------------------------------ 03:35 : Restarted command file. ------------------------------------------------------------------------- 07:00 : W03-130 pol low fringe. ------------------------------------------------------------------------- 09:55 : Stopped command file. 09:59 : '/odisk/gtac/cmd/36_006/MACSJ0717-cmdfile-2_cmd' command file started. ------------------------------------------------------------------------- 11:00 : C04 started working. ------------------------------------------------------------------------- 12:20 : Phase cal 3C138 set @12:24 ------------------------------------------------------------------------- 14:40 : Stopped command file. ------------------------------------------------------------------------- 14:45 : Started scan on 1407+2840 (0Q208). 14:50 : Stopped scan. 14:52 : Started scan on 3C286. 15:00 : Stopped scan and observing session over.