GTAC Observation Log 1. Date : 28/09/2020 2. Observation Sr. No. : 12471 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 : 38_015 7. Operator(s) : Deepak, Rupsing, Shilpa, Shriram 8. Command File : /odisk/gtac/cmd/38_015/28sep20/obs.cmd 9. LTA File : /gwbifrdata/28sep/38_015_28sep2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/38_015.FLAGS.23 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , 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 : 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) : 1409 1409 1460 1460 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :25 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. S04 : Mechanical Work C01 : Feed jam. C12 : No feed. S03 : Structural repair 33. Note for Backup : 34. Start and End Time of Obs.(IST): 28 Sep 2020 14:00:00 - 28 Sep 2020 17:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :25 37. RFI Status : 38. 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 : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 38_015 GPU_CNTRL : ONLINE 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 : OFF GPU_TPA : From GWB GUI. GPU_BITS : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF ------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C02 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 S01 W01 Total=14 # BEAM-1:175 :: C00 C02 C04 C05 C06 C08 C09 C10 C11 C13 C14 E02 S01 W01 Total=14 ------------------------------------------------------------------------- 14:00 : Started settings. 14:10 : Power eq on J1822-096 ------------------------------------------------------------------------- 14:46 : Started command file. 14:51 : Strong satellite RFI observed. QZS-3 (MICHIBIKI-3) CMOS-1 15:10 : RFI vanished. 17:00 : Stopped command file and observing session over.