GTAC Observation Log 1. Date : 08/01/2021 2. Observation Sr. No. : 12776 3. Observer : Naval Kishor Bhadari, Lokesh Kumar Dewangan, Tapas Baug, Devendra Kumar Ojha, Saurabh Sharma 4. Observer\'s Email : naval1996kishor@gmail.com, loku007@gmail.com, tapas.polo@gmail.com, ojha@tifr.res.in, saurabh175@gmail.com 5. Project Name : uGMRT observations of Galactic HII regions S306 and S309 6. Project Code : 39_048 7. Operator(s) : Navnath, Sachin, Shilpa 8. Command File : /data1/gtac/cmd/39_048/07jan2021/obs.py 9. LTA File : /gsbifrdata1/07jan/39_048_07jan2021_gsb.lta, /gwbifrdata/07jan/39_048_07jan2021_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 : 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 : 0.138749 28. LO5 -2 : 0 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 :24 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C01 : Very low fringe. C10 : Node not started. W03 : Maintenance. W05 : Node not started./ FPS problem E06 : : Not releasing servo brakes. C12 : LMC is not pinging. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 07 Jan 2021 20:50:00 - 08 Jan 2021 05:20:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :24 37. RFI Status : 38. Comments (During Observations) : GPU_PFB,0 GSB_CHAN_NUM,0:255:1 GSB_ACQ_BW,33.333333 GSB_FINAL_BW,0 GPU_PFB_TAPS,16 GSB_ENV,1 GPU_CHAN_NUM,0:1023:1 GPU_BEAM_S,0 GSB_STOKES,2 GSB_CNTRL,1 GPU_EDGE_FRQ,0 GSB_BEAM_1,0:1 GSB_BEAM_2,0:1 GPU_BEAM_3,0:1 GPU_BEAM_2,0:1 GPU_BEAM_1,0:1 GPU_BEAM_4,0:1 GSB_GAINEQ,1 GSB_BB_LO,149000000:156000000 GPU_FINAL_BW,1 GPU_VLT_BIT,8 GSB_LTA,8 GPU_FSTOP,1 GPU_FILRFI,0 GPU_BM_INT,8 GSB_HOSTS,0 GPU_DDC,0 GPU_CNTRL,1 GPU_GAINEQ,1 GPU_LTA,4 GSB_FSTOP,1 GPU_CHAN_MAX,1024 GSB_EDGE_FRQ,0 GPU_ENV,1 GPU_HOSTS,2 GPU_MODE,0 GPU_STOKES,2 GSB_CD_MODE,0 GSB_CHAN_MAX,256 GPU_TPA,0 GPU_ACQ_BW,400.0000 GPU_BEAM_BIT,16 GSB_MODE,0 BANDMASK,3 GPU_BEAM4_DATASERVER,gwbh10 CORRMASK,8 ANTENNAMASK,3fffffff -------------------------------------------------------------------------- 20:50 : Started setup. 21:23 : Started scan on 3C147 for ~ 9.84262 min. 21:45 : \' /data1/gtac/cmd/39_048/07jan2021/obs.py\' command file started. 21:49:48 : Started scan on 0735-175 for ~ 5.18975 min. 21:57:10 : Started scan on S309-5A for ~ 30.6016 min. 22:29:51 : Started scan on 0735-175 for ~ 5.18975 min. 22:37:19 : Started scan on S309-5B for ~ 30.4227 min. 23:09:40 : Started scan on 0735-175 for ~ 5.01079 min. 23:17:05 : Started scan on S309-5C for ~ 30.9595 min. 23:10:00 : C10 Started working after LMC launch cmd. 23:54:40 : Started scan on 0735-175 for ~ 5.18975 min. 00:02:03 : Started scan on S309-5D for ~ 30.6016 min. 00:34:25 : Started scan on 0735-175 for ~ 5.18975 min. 00:41:27 : Started scan on S309-5A for ~ 30.4227 min. 01:13:52 : Started scan on 0735-175 for ~ 5.01079 min. 01:20:54 : Started scan on S309-5B for ~ 30.7806 min. 01:53:40 : Started scan on 0735-175 for ~ 5.18975 min. 02:00:41 : Started scan on S309-5C for ~ 30.9595 min. 02:33:26 : Started scan on 0735-175 for ~ 5.18975 min. 02:40:30 : Started scan on S309-5D for ~ 30.4227 min. 03:12:54 : Started scan on 0735-175 for ~ 5.01079 min. 03:19:54 : Started scan on S309-5A for ~ 31.1385 min. 03:53:00 : Started scan on 0735-175 for ~ 5.18975 min. 04:00:03 : Started scan on S309-5B for ~ 30.7806 min. 04:32:47 : Started scan on 0735-175 for ~ 5.18975 min. 04:39:51 : Started scan on S309-5C for ~ 11.6322 min. 04:59:58 : Started scan on 3C286 for ~ 3.40018 min. 05:03:41 : Started scan on 3C286 for ~ 12.7059 min. 05:20:00 : Observation session over. ---------------------------------------------------------------