GTAC Observation Log 1. Date : 07/03/2020 2. Observation Sr. No. : 11956 3. Observer : Yashwant Gupta,Tasha Gautam 4. Observer\'s Email : tgautam@mpifr-bonn.mpg.de, ygupta@ncra.tifr.res.in 5. Project Name : DDT Observation\\r\\n 6. Project Code : DDTC087 7. Operator(s) : Navnath, Pramod 8. Command File : /odisk/gtac/cmd/ddtc087/cmdfile_ddtC087_7thmarch.txt 9. LTA File : /gwbifrdata2/07mar/ddtc087_07mar2020_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 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 : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : S06 : : RF Band selection problem. C03 : : Maintenance. 33. Note for Backup :Note : GWB beam data gwbh7 and gwbh8 :/data4/gpuuser/DDTC087_data4_07mar2020 34. Start and End Time of Obs.(IST): 07 Mar 2020 08:00:00 - 07 Mar 2020 10:20:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : ------------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 : Indian Polar Mode GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : DDTC087 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : Voltage GPU_BEAM_2 : PA GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:Ch1 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 Total=13 # BEAM-1:ch2 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 Total=13 # BEAM-2:ch1 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 Total=13 # BEAM-2:Ch2 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 Total=13 08:15:00 : Started setup for pulsar observation : power eq and phasing done. 08:45:15 : Started scan on 1830-360 for ~ 0.268435 min. 08:45:55 : Started scan on 1830-360 for ~ 8.0978 min. 08:54:30 : Started scan on 1830-360 for ~ 2.86331 min. 09:04:19 : Started scan on 1830-360 for ~ 1.38692 min. 09:06:00 : Started scan on 1830-360 for ~ 1.07374 min. 09:10:01 : Started scan on J1835-3259A for ~ 30.3779 min. 09:43:06 : Started scan on 1830-360 for ~ 1.29744 min. 09:44:45 : Started scan on 1830-360 for ~ 1.07374 min. 09:48:29 : Started scan on J1835-3259A for ~ 23.7118 min. 10:16:35 : Started scan on B1839+09 for ~ 4.87657 min. 10:21:00 : observation session over.