GTAC Observation Log 1. Date : 25/05/2021 2. Observation Sr. No. : 13122 3. Observer : Andrea Botteon, Giacintucci Simona, Fabio Gastaldello, Tiziana Venturi, Gianfranco Brunetti, Reinout Johannes vanWeeren, Shimwell, Mariachiara Rossetti, Marcus Bruggen 4. Observer\'s Email : botteon@strw.leidenuniv.nl, simona.giacintucci@nrl.navy.mil, gasta@lambrate.inaf.it, tventuri@ira.inaf.it, brunetti@ira.inaf.it, rvweeren@strw.leidenuniv.nl, shimwell@astron.nl, mchiara.rossetti@gmail.com, mbrueggen@hs.uni-hamburg.de 5. Project Name : The head-tail radio galaxy and diffuse sources in Abell 1775 6. Project Code : 40_028 7. Operator(s) : Nilesh, Shriram 8. Command File : /data1/gtac/cmd/30_028/obs1.py 9. LTA File : /gsbifrdata1/25may/40_028_25may2021_gsb.lta, /gwbifrdata2/25may/40_028_25may2021_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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/TGC 18. GSB Fstop : ON 19. GAIN EQ : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : Volt 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) : 306 306 255 255 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. E02 : Maintenance.(Feed removed) S06 : No fringe in GSB E03 : No fringe in 130 pol C11 : No fringe in 130 pol 33. Note for Backup : 34. Start and End Time of Obs.(IST): 25 May 2021 16:50:00 - 25 May 2021 23:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 40_028 GPU_CNTRL : ONLINE/TGC 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 : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : ON GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_ENV : RELEASED -------------------------------------------------------------------------- 16:50 : Started settings. 17:04 : Started scan on 3C286~ 12 min. 17:13 : C11 and E03 started working. 17:18 : Started command file, \'/data1/gtac/cmd/30_028/obs1.py\' 22:48 : Command file stopped. 22:50 : Started scan on 3C286 23:00 : Scan stopped and observing session over.