GTAC Observation Log 1. Date : 07/05/2021 2. Observation Sr. No. : 13058 3. Observer : Andrea Botteon, Rossella Cassano, Virginia Cuciti, Shimwell, HIROKI AKAMATSU, Fabio Gastaldello, Mariachiara Rossetti, Aurora Simionescu, Xiaoyuan Zhang, Marcus Bruggen, Gianfranco Brunetti, Francesco de Gasperin, Duy N. Hoang, Alexander Jones, Kamlesh Rajpurohit, Reinout Johannes vanWeeren 4. Observer\'s Email : botteon@strw.leidenuniv.nl, rcassano@ira.inaf.it, vcuciti@hs.uni-hamburg.de, shimwell@astron.nl, h.akamatsu@sron.nl, gasta@lambrate.inaf.it, mchiara.rossetti@gmail.com, a.simionescu@sron.nl, xyzhang@strw.leidenuniv.nl, mbrueggen@hs.uni-hamburg.de, brunetti@ira.inaf.it, fdg@hs.uni-hamburg.de, hoang@hs.uni-hamburg.de, ajones@hs.uni-hamburg.de, kamlesh.rajpurohit@unibo.it, rvweeren@strw.leidenuniv.nl 5. Project Name : A systematic spectral study of double radio relics with the uGMRT and LOFAR 6. Project Code : 40_025 7. Operator(s) : Deepak, Manisha 8. Command File : /data1/gtac/cmd/40_025/07may21.py 9. LTA File : /gsbifrdata/07may/40_025_07may2021_b4_gsb.lta, /gwbifrdata/07may/40_025_07may2021_b4_gwb.lta 10. LogFlag File : /odisk/online1/logflags/ 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/TGC 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Total_Intensity 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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. W04 : Az brake problem. S03 : Mech maint 33. Note for Backup : 34. Start and End Time of Obs.(IST): 07 May 2021 13:00:00 - 07 May 2021 19:30:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. Comments (During Observations) : GPU_PFB,1 GPU_PFB_TAPS,4 GPU_CHAN_NUM,0:2047:1 GPU_FSTOP,1 GPU_FILRFI,0 GPU_BM_INT,8 GPU_DDC,0 GPU_CNTRL,1 GPU_GAINEQ,1 GPU_LTA,4 GPU_CHAN_MAX,2048 GPU_ENV,1 GPU_HOSTS,2 GPU_MODE,0 GPU_STOKES,2 ================================ 13:00 : setup started. 13:20 : command file started. 15:30 : Command file stopped and removed 3C147. Restarted command file. 15:45 : S03 started working. 19:30 : C01 LMC disconnected 19:33 : Started scan on 3C147 for 8mins. 19:42 : Observation stopped.