GTAC Observation Log 1. Date : 05/05/2018 2. Observation Sr. No. : 10229 3. Observer : Hariharan Krishnan, Divya Oberoi, Rohit Sharma, Atul Mohan, Surajit Mondal 4. Observer's Email : hara@ncra.tifr.res.in, div@ncra.tifr.res.in, rohit@ncra.tifr.res.in, atul@ncra.tifr.res.in, surajit@ncra.tifr.res.in 5. Project Name : Configuring the uGMRT as a Solar Monitoring Instrument : uGMRT Solar Spectrograph (uGSS) 6. Project Code : 34_028 7. Operator(s) : Navnath, Rupsing 8. Command File : /odisk/gtac/cmd/34_028/sun_20180505.cmd 9. LTA File : /gwbifrdata2/05may/34_028_05may2018_750l_suba2.lta, /gwbifrdata2/05may/34_028_05may2018_250u_suba3.lta, /gwbifrdata2/05may/34_028_05may2018_250l_suba4.lta 10. LogFlag File : /odisk/online1/logflags/34_028B.FLAGS.9, /odisk/online1/logflags/34_028A.FLAGS.10, /odisk/online1/logflags/34_028.FLAGS.11 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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) : 591 591 540 540 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C10 : Mechanical work C14 : Mechanical work. S03 : Servo probelm. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 05 May 2018 09:30:00 - 05 May 2018 12:40:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : ------------GWB Setting-------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 2 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF2 : 750 750 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : 34_028A GPU_RF3 : 250 250 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : -1 -1 GCODE3 : 34_028B GPU_RF4 : 250 250 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 34_028 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : IA GPU_BEAM_2 : IA GPU_BEAM_3 : IA GPU_BEAM_4 : OFF GPU_BM_INT : 64 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 64 inputs. GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------------------------------------------------Suba 2 # 610MHz # C02 C04 C08 C11 ------------------------------------------------------------------------- Suba 3 # 325MHz # C01 C10 C12 C13 ------------------------------------------------------------------------- Suba 4 # 150MHz # C00 C03 C05 C06 C09 C14 W01 W02 W03 W04 W05 W06 E02 E03 E04 E05 E06 S01 S02 S03 S04 S06 ------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C02 C04 C08 C11 Total=4 # BEAM-1:175 :: C02 C04 C08 C11 Total=4 # BEAM-2:130 :: C01 C12 C13 Total=3 # BEAM-2:175 :: C01 C12 C13 Total=3 # BEAM-3:130 :: C00 C03 E02 E03 E04 E06 S01 S02 S04 S06 Total=10 # BEAM-3:175 :: C00 C03 E02 E03 E04 E06 S01 S02 S04 S06 Total=10 ------------------------------------------------------------------------- 09:55 : Started command file ------------------------------------------------------------------------- 11:39 : Power failure.(Stopped command file) ------------------------------------------------------------------------- 11:45 : Power resume ------------------------------------------------------------------------- 11:50 : W05 servo problem. ------------------------------------------------------------------------- 11:55 : Setup done 11:58 : Restarted command file 12:35 : Stopped command file and observation closed.