GTAC Observation Log 1. Date : 16/12/2021 2. Observation Sr. No. : 13761 3. Observer : Shriharsh Tendulkar, Sanjeet Kumar Rai, Pravin Raibole, S Sureshkumar 4. Observer\'s Email : shriharsh.tendulkar@tifr.res.in, sanjeet@gmrt.ncra.tifr.res.in, pravin@gmrt.ncra.tifr.res.in, skumar@gmrt.ncra.tifr.res.in 5. Project Name : RFI experiment 6. Project Code : TST2473 7. Operator(s) : Deepak, Nilesh, Pramod, Rupsing, Shilpa, Shriram 8. Command File : /odisk/gtac/cmd 9. LTA File : /gwbifrdata2/15dec/test_15dec2021_tst2473_rfi_gwb.lta.2, /gwbifrdata2/15dec/test_15dec2021_tst2473_rfi_gwb.lta.1, /gwbifrdata2/15dec/test_15dec2021_tst2473_rfi_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 : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C13 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 15 Dec 2021 18:00:00 - 16 Dec 2021 08:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :26 37. RFI Status : 38. Comments (During Observations) : 18:00 : Started settings. ------------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 : TEST GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : IA GPU_BEAM_2 : IA GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 128 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 -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C08 Total=1 # BEAM-1:175 :: C08 Total=1 # BEAM-2:130 :: C12 Total=1 # BEAM-2:175 :: C12 Total=1 Pulsar data files : gwbh7:/data7/gpuuser/TEST_data7_15dec2021/* gwbh8:/data7/gpuuser/TEST_data7_15dec2021/* 18:33 : Started scan on NPOLE. 18:39 : Restarted scan on NPOLE. 18:40 : Started Beam data recording. 20:00 : Stopped Beam data recording. ----------------------------------------------------------------- 00:08 : Started Beam data recording. 01:09 : Stopped Beam data recording. ----------------------------------------------------------------- 05:53 : Started Beam data recording. 06:54 : Stopped Beam data recording. ----------------------------------------------------------------- 08:00 : Stopped recording and test over.