GTAC Observation Log 1. Date : 15/09/2018 2. Observation Sr. No. : 10534 3. Observer : Matthias Hoeft, Kamlesh Rajpurohit, Cosmos Dumba, Ruta Kale, Reinout Johannes vanWeeren, Franco Vazza 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 5. Project Name : Magnetic fields in cluster outskirts: Depolarisation and Rotation Measures of the Toothbrush and the enigmatic radio relic in Abell 115 6. Project Code : 34_073 7. Operator(s) : Navnath, Pramod, Rupsing 8. Command File : /odisk/gtac/cmd/ruta/34_073/tbr-cmdfile-2.cmd, /odisk/gtac/cmd/ruta/34_073/tbr-cmdfile-1.cmd 9. LTA File : /gsbifrdata/15sep/34_073_15sep2018_gsb.lta, /gwbifrdata2/15sep/34_073_15sep2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/34_073.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 : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : W01 : : Servo Brakes. E03 : Low fringe 33. Note for Backup : 34. Start and End Time of Obs.(IST): 15 Sep 2018 01:00:00 - 15 Sep 2018 13:00:00 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 : 200.0000 GPU_FINAL_BW : 200.0000 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 : 34_073 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 : 8 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 01:00 : Started setup. 01:12:55 : Started scan on 3C48 for ~ 5 min. 01:19:34 : Started scan on 3C84 for ~ 5 min. 01:20 : Started cmd file. /odisk/gtac/cmd/ruta/34_073/tbr-cmdfile-1.cmd Note : Scan No. 23 is bad. 09:10 : Stopped command file and restarted next command file. '/odisk/gtac/cmd/ruta/34_073/tbr-cmdfile-2.cmd' 10:03 : E03 taken for Front End group. 10:15 : W06 taken for painting. ------------------------------------------------------------------------- 10:48 : E03 released for observation. 11:38 : W01 started working. 13:00 : Stopped command file and observation session over.