GTAC Observation Log 1. Date : 22/09/2020 2. Observation Sr. No. : 12449 3. Observer : Tanmoy Laskar, Poonam Chandra, Kuntal Misra 4. Observer\'s Email : tanmoylaskar@gmail.com, poonam@ncra.tifr.res.in, kuntal@aries.res.in 5. Project Name : uGMRT monitoring of the nearby unusual GRB 190829A 6. Project Code : 38_076 7. Operator(s) : Navnath 8. Command File : /odisk//gtac/cmd/38_076/gtac_38_076_22Sep2020_0000.txt, /odisk//gtac/cmd/38_076/gtac_38_076_22Sep2020_0400.txt 9. LTA File : /gsbifrdata/21sep/38_076_21sep2020_gsb.lta, /gwbifrdata/21sep/38_076_21sep2020_gwb.lta, /gsbifrdata1/22sep/38_076_22sep2020_s3_gsb.lta, /gsbifrdata1/22sep/38_076_22sep2020_gsb_s4.lta, /gwbifrdata2/22sep/38_076_22sep2020_s4_gwb.lta, /gwbifrdata2/22sep/38_076_22sep2020_s3_gwb.lta 10. LogFlag File : 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+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 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 : 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. W01 : No fringe. feed jam W06 : Servo Time out S04 : Servo +afl flag in AZ axis. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 22 Sep 2020 00:00:00 - 22 Sep 2020 03:15:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :26 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_076 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 -------------------------------- 00:00 : Started setup. 00:08 : Started scan on 3C48 for 8 min. 00:20 : Started TGC cmd file. /data1/gtac/cmd/38_076/obs.py 00:22:31 : Started scan on 0240-231 for ~ 5.23449 min. 00:31:11 : Started scan on grb190829 for ~ 35.8361 min. 01:10:11 : Started scan on 0240-231 for ~ 5.10027 min. 01:18:23 : Started scan on grb190829 for ~ 35.8361 min. 01:57:12 : Started scan on 0240-231 for ~ 5.10027 min. 02:05:20 : Started scan on grb190829 for ~ 36.6414 min. 02:44:53 : Started scan on 0240-231 for ~ 5.10027 min. 02:59:10 : Started scan on 3C147 for ~ 2.2817 min. 03:02:20 : Started scan on 3C147 for ~ 9.9321 min. -----------------------------------------------------------------------