GTAC Observation Log 1. Date : 22/09/2019 2. Observation Sr. No. : 11482 3. Observer : Gianni Bernardi, Marco Regis 4. Observer's Email : giannibernardi75@gmail.com, regis.mrc@gmail.com 5. Project Name : Dark Matter in Dwarf Galaxies 6. Project Code : 36_065 7. Operator(s) : Deepak, Nilesh, Rupsing, Shilpa 8. Command File : /odisk/gtac/cmd/36_065/obs_22sep19_s1.cmd, /odisk/gtac/cmd/36_065/obs_22sep19_s2.cmd 9. LTA File : /gsbifrdata/22sep/36_065_22sep2019_s2_gsb.lta, /gsbifrdata/22sep/36_065_22sep2019_gsb.lta, /gwbifrdata1/22sep/36_065_22sep2019_s2_gwb.lta, /gwbifrdata1/22sep/36_065_22sep2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/36_065.FLAGS 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 :25 32. Name of Non-Working Antennas (with reason for each) : C13 : FES problem. E04 : ABC time out, Electrical problem. S04 : FPS Jammed. W03 : CH1 - Fringe and phase fluctuations. C06 : Fringe and phase fluctuations. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 22 Sep 2019 08:55:00 - 22 Sep 2019 17:05:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : 08:55 : Started settings. ------------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 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 36_065 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 -------------------------------- 09:00 : Started scan on 3C147 for ~ 15 min. 09:16 : Started command file. /odisk/gtac/cmd/36_065/obs_22sep19_s1.cmd 10:46 : E-arm power failed. 11:00 : E-arm started working except E04. 10:30 : S04 and C06 started working. 11:15 : E04 started working. 13:03 : Stopped command file. 13:06 : Started scan on 3C286 for ~ 12 min. 13:20 : Started command nex:t file. /odisk/gtac/cmd/36_065/obs_22sep19_s2.cmd ------------------------------------------------------------------------ 16:43 : Stopped command file 16:46 : Started scan 3C48. ------------------------------------------------------------------------ 16:48 : C00 servo problem. ------------------------------------------------------------------------ 17:00 : Stopped scan and observation session over.