GTAC Observation Log 1. Date : 14/12/2020 2. Observation Sr. No. : 12680 3. Observer : Nissim Kanekar 4. Observer\'s Email : nkanekar@ncra.tifr.res.in 5. Project Name : DDT Observation 4C05.84 6. Project Code : DDTC156 7. Operator(s) : Navnath 8. Command File : /data1/gtac/cmd/nissim/ddtc156/ddt_14dec20_mkp.py 9. LTA File : /gsbifrdata1/14dec/ddtc156_14dec2020_gsb.lta, /gwbifrdata1/14dec/ddtc156_14dec2020_gwb.lta.2 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 463.8 MHz ,RF2 : 463.8 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 525 MHz, ILO2 : 525MHz , IVLO1 : 61.2 MHz, IVLO2 : 61.2 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 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) : 463.8 463.8 525 525 61.2 61.2 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. S06 : FPS problem. S01 : Ch2 No fringe in both GSB and GWB. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 14 Dec 2020 19:00:00 - 14 Dec 2020 22:30:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : GSB_LTA,8 GSB_CHAN_NUM,0:511:1 GSB_ACQ_BW,16.666666 GSB_FSTOP,1 GSB_ENV,1 GSB_HOSTS,0 GSB_STOKES,2 GSB_CNTRL,1 GSB_FINAL_BW,4 GSB_BEAM_1,0:1 GSB_BEAM_2,0:1 GSB_EDGE_FRQ,0.5 GSB_GAINEQ,1 GSB_CD_MODE,0 GSB_BB_LO,138200000:166200000 GSB_CHAN_MAX,512 GSB_MODE,0 --------------------------------------------- 19:00:00 : Started setup. 19:28:11 : Started scan on 3C48 for ~ 9.52945 min. 19:39:41 : Started scan on 3C48 for ~ 7.11353 min. 19:50:00 : Started cmd file. /data1/gtac/cmd/nissim/ddtc156/ddt_14dec20_mkp.py 19:53:44 : Started scan on 3C446 for ~ 6.17401 min. 20:01:35 : Started scan on 4C05.84 for ~ 40.6679 min. 20:43:44 : Started scan on 3C446 for ~ 6.17401 min. 20:51:20 : Started scan on 4C05.84 for ~ 41.0706 min. 21:43:54 : Started scan on 3C446 for ~ 6.03979 min. ------------------------------------------------------------------- 14-12-2020 21:42:26 : [Status] [CMC] Server down 14-12-2020 21:43:21 : [Status] [CMC] Server up : CMC server disconnected ...script status not not visible in GUI.Restarted GUI, Restarted cmd file. ------------------------------------------------------------------- 21:56:02 : Started scan on 4C05.84 for ~ 10.3348 min. 22:08:27 : Started scan on 2232+117 for ~ 6.17401 min. 22:17:51 : Started scan on 3C48 for ~ 10.87905 min. 22:30:00 : Observation session over. ---------------------------------------------------