GTAC Observation Log 1. Date : 25/02/2021 2. Observation Sr. No. : 12928 3. Observer : Jaikhomba Singha, BHAL CHANDRA JOSHI, Paramasivan Arumugam, Avishek kumar Basu, Debades Bandyopadhyay, Rana Nandi, Prasanta Char, Dipankar Bhattacharya 4. Observer\'s Email : mjaikhomba@gmail.com, bcj@ncra.tifr.res.in, p.arumugam@gmail.com, avishek@ncra.tifr.res.in, debades.bandyopadhyay@saha.ac.in, rana.nandi@tifr.res.in, pchar@iucaa.in, dipankar@iucaa.in 5. Project Name : Monitoring High Glitch rate Pulsars using uGMRT 6. Project Code : 39_007 7. Operator(s) : Deepak, Rupsing, Surender 8. Command File : /data1/gtac/cmd/39_007/25feb21/39_007.band4_g1.py 9. LTA File : /gwbifrdata/25feb/39_007_25feb2021_gwb.lta, /gwbifrdata2/25feb/39_007_25feb2021_gwb.lta 10. LogFlag File : 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 :29 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 25 Feb 2021 21:00:00 - 25 Feb 2021 23:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :29 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 470 470 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : SUBA4 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 128 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 16 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_ENV : RELEASED -------------------------------- GAC CSQ+one arm antenna except C03 --------------------------------- 21:18:49 : Started scan on 3C147 for ~ 0 min. 21:24:42 : Started scan on 3C147 for ~ 3.75809 min. 21:34:21 : Started scan on 3C147 for ~ 10.8716 min. 21:45:39 : TGC -AGN hung problem so restarted AGN1 --------------------------------- 21:45-22:10 : TGC Problem. ------------------------------- 22:15:51 : Restarted command file. 23:00:00 : Stopped command file and observing session over. --------------------------------