GTAC Observation Log 1. Date : 27/06/2020 2. Observation Sr. No. : 12152 3. Observer : Poonam Chandra, Barun Maity, Dipankar Bhattacharya, Nayana AJ 4. Observer\'s Email : poonam@ncra.tifr.res.in, bmaity@ncra.tifr.res.in, dipankar@iucaa.in, nayan89deva@gmail.com 5. Project Name : Follow-up observations of three gamma ray bursts at uGMRT frequencies 6. Project Code : 38_101 7. Operator(s) : Navnath, Sachin, Surender 8. Command File : /odisk/gtac/cmd/poonam/gtac_38_101_27June2020_0600.txt 9. LTA File : /gsbifrdata/27jun/38_101_b3_27jun2020_gsb.lta, /gwbifrdata1/27jun/38_101_27jun2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/38_101.FLAGS.5 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 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) : 306 306 255 255 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : : Taken for Mech work. C12 : : Maintenance. C10 : : 130 pol no fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 27 Jun 2020 06:00:00 - 27 Jun 2020 10:15:00 35. ONLINE Machine : Shivneri 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 : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 38_101 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 : 128 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 05:55:45 : Started scan on 3C48 for ~ 8.48966 min. 06:05:00 : Started command file. /odisk/gtac/cmd/poonam/gtac_38_101_27June2020_0600.txt 06:07:34 : Started scan on 0409-179 for ~ 4.96605 min. 06:13:31 : Started scan on GRB190114C for ~ 35.8361 min. 06:50:23 : Started scan on 0409-179 for ~ 4.96605 min. 06:56:12 : Started scan on GRB190114C for ~ 35.8361 min. 07:33:07 : Started scan on 0409-179 for ~ 4.83183 min. 07:38:58 : Started scan on GRB190114C for ~ 35.9703 min. 08:15:57 : Started scan on 0409-179 for ~ 4.96605 min. 08:22:04 : Started scan on GRB190114C for ~ 35.9703 min. 08:58:59 : Started scan on 0409-179 for ~ 4.83183 min. 09:04:49 : Started scan on GRB190114C for ~ 35.8361 min. 09:41:41 : Started scan on 0409-179 for ~ 4.83183 min. 09:47:28 : Started scan on GRB190114C for ~ 15.9719 min. 10:04:19 : Started scan on 0409-179 for ~ 3.89231 min. 10:10:00 : Observing session closed. -----------------------------------------------------------------------------