GTAC Observation Log 1. Date : 08/06/2019 2. Observation Sr. No. : 11144 3. Observer : Matthias Hoeft, Kamlesh Rajpurohit, Cosmos Dumba, Ruta Kale, Reinout Johannes vanWeeren, Franco Vazza, Drabent 4. Observer's Email : hoeft@tls-tautenburg.de, kamlesh@tls-tautenburg.de, dumba@tls-tautenburg.de, ruta@ncra.tifr.res.in, rvweeren@strw.leidenuniv.nl, franco.vazza2@unibo.it, alex@tls-tautenburg.de 5. Project Name : Magnetic fields in the very outskirts of galaxy clusters: The enigmatic radio relic in Abell\\\\,115 6. Project Code : 36_080 7. Operator(s) : Deepak, Nilesh, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/36_080/A115-cmdfile-1.cmd,, /odisk/gtac/cmd/36_080/A115-cmdfile-2.cmd 9. LTA File : /gsbifrdata1/08jun/36_080_08jun2019_gsb.lta, /gwbifrdata2/08jun/36_080_08jun2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_080.FLAGS.2, /odisk/online1/logflags/36_080.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 :24 32. Name of Non-Working Antennas (with reason for each) : E03 : Servo stow locked. W06 : No fringe in GSB. E04 : Feed problem.(problem solved at 06:40) C05 : Fringe fluctuation and phase variation in GSB and low fringe in GWB. W05 : Low fringe. S06 : 130 pol low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 08 Jun 2019 06:00:00 - 08 Jun 2019 12:05:00 35. ONLINE Machine : Shivneri 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 : 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_080 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 -------------------------------- 06:24 : '/odisk/gtac/cmd/36_080/A115-cmdfile-1.cmd' command file started. 07:37 : C01 taken for maintenance. 07:51 : Stopped command file. 08:06 : W05 started working. 08:06 : '/odisk/gtac/cmd/36_080/A115-cmdfile-2.cmd' command file started. 09:34 : W06 started in GSB. 09:44 : C05 started working in GWB. 10:13 : E03 started working. 10:14 : C02 taken for painting. 11:53 : Stopped command file. 11:55 : Started scan on 3C147. 12:05 : Stopped scan and observing session over.