GTAC Observation Log 1. Date : 04/02/2022 2. Observation Sr. No. : 13920 3. Observer : Sina Chen, Preeti Kharb, Amy Kimball, Ian McHardy, Ari Laor, Ehud Behar, Silpa Sasikumar, Ranieri Diego Baldi 4. Observer\'s Email : sina.chen@campus.technion.ac.il, preeti.kharb@gmail.com, akimball@nrao.edu, imh@astro.soton.ac.uk, laor@physics.technion.ac.il, behar@ph.technion.ac.il, silpa@ncra.tifr.res.in, ranieri.baldi@inaf.it 5. Project Name : The origin of radio emission from radio-quiet quasars: the GMRT perspective 6. Project Code : 41_018 7. Operator(s) : Navnath, Pramod, Sachin 8. Command File : /data1/gtac/cmd/41_018/obs_4feb22.py 9. LTA File : /gsbifrdata/04feb/41_018_04feb2022_gsb.lta, /gwbifrdata/04feb/41_018_04feb2022_gwb.lta 10. LogFlag File : 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/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) : 306 306 255 255 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. C10 : DS of fecb is disconnected C02 : servo problem C09 : Taken for painting 33. Note for Backup : 34. Start and End Time of Obs.(IST): 04 Feb 2022 14:00:00 - 04 Feb 2022 19:07:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 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 : 41_018 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 16 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------- 13:40 : Started set up. 14:00 : Started command file. \'/data1/gtac/cmd/41_018/obs_4feb22.py\' NOTE : Strong RFI observed on flux cal 3C48. 14:01:06 : Started scan on 3C48 for ~ 7.11353 min. 14:12:37 : Started scan on 2316+040 for ~ 3.22122 min. 14:17:36 : Started scan on PG2304+042 for ~ 14.0928 min. 14:33:13 : Started scan on 2316+040 for ~ 3.087 min. 14:37:52 : Started scan on PG2304+042 for ~ 14.0928 min. 14:53:29 : Started scan on 2316+040 for ~ 3.087 min. 14:58:05 : Started scan on PG2304+042 for ~ 14.2271 min. 15:13:44 : Started scan on 2316+040 for ~ 3.087 min. 15:21:37 : Started scan on 0020+156 for ~ 3.087 min. 15:26:36 : Started scan on PG0026+129 for ~ 14.0928 min. 15:42:13 : Started scan on 0020+156 for ~ 3.087 min. 15:47:04 : Started scan on PG0026+129 for ~ 14.0928 min. 16:03:35 : Started scan on 0020+156 for ~ 3.087 min. 16:09:04 : Started scan on PG0026+129 for ~ 14.0928 min. 16:27:48 : Started scan on 0020+156 for ~ 3.087 min. 16:34:17 : Started scan on PG0050+124 for ~ 14.0928 min. 16:51:09 : Started scan on 0020+156 for ~ 3.087 min. 16:56:45 : Started scan on PG0050+124 for ~ 14.2271 min. 17:13:26 : Started scan on 0020+156 for ~ 3.087 min. 17:18:30 : Started scan on PG0050+124 for ~ 14.2271 min. 17:30:00 : C09 released for observation. 17:39:05 : Started scan on 0020+156 for ~ 3.087 min. 17:47:04 : Started scan on 0220-019 for ~ 3.087 min. 17:52:00 : Started scan on PG0157+001 for ~ 14.0928 min. 18:07:50 : Started scan on 0220-019 for ~ 3.087 min. 18:12:40 : Started scan on PG0157+001 for ~ 14.0928 min. 18:28:54 : Started scan on 0220-019 for ~ 3.087 min. 18:33:44 : Started scan on PG0157+001 for ~ 14.0928 min. 18:49:26 : Started scan on 0220-019 for ~ 3.22122 min. 18:57:24 : Started scan on 3C48 for ~ 7.11353 min. 19:00:00 : Observation session over. -------------------------------------------------