GTAC Observation Log 1. Date : 13/02/2021 2. Observation Sr. No. : 12898 3. Observer : Jayanta Roy, Bhaswati Bhattacharyya, Lina Levin, Ben Stappers, Paul Ray, Shyam Sunder 4. Observer\'s Email : jroy@ncra.tifr.res.in, bhaswati.bhattacharyya78@gmail.com, lina.s.levin@gmail.com, Ben.Stappers@manchester.ac.uk, paul.ray@nrl.navy.mil, ssunder@ncra.tifr.res.in 5. Project Name : Multi-frequency timing of millisecond pulsars with the GMRT 6. Project Code : 39_060 7. Operator(s) : Nilesh 8. Command File : /data1/gtac/cmd/jroy/13feb.py 9. LTA File : /gwbifrdata/13feb/39_060_13feb2021_gwb.lta 10. LogFlag File : 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+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) : 591 591 540 540 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 13 Feb 2021 06:00:00 - 13 Feb 2021 07:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :29 37. RFI Status : 38. Comments (During Observations) : 06:00 : Starteds 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 : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 470 470 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : SUBA4 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : VOLTAGE GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : PA GPU_BM_INT : 4 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 : 16 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_ENV : RELEASED -------------------------------- 06:14 : Started power eq and phasing on 1526-138. # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S02 S03 S04 W01 W02 W03 W04 W05 Total=26 # BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S02 S03 S04 W01 W02 W03 W04 W05 Total=26 # BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S02 S03 S04 W01 W02 W03 W04 W05 Total=26 # BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S02 S03 S04 W01 W02 W03 W04 W05 Total=26 # BEAM-3:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S02 S03 S04 W01 W02 W03 W04 W05 Total=26 # BEAM-3:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S02 S03 S04 W01 W02 W03 W04 W05 Total=26 # BEAM-4:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S02 S03 S04 W01 W02 W03 W04 W05 Total=26 # BEAM-4:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S01 S02 S03 S04 W01 W02 W03 W04 W05 Total=26 --------------------------------------- Pulsar DATA FILE\'s : gwbh7:/data5/gpuuser/39_060_13feb2021_data5/J1646-2142_3_550_200_4096_4_1_8_13feb21_062539.log gwbh7:/data4/gpuuser/39_060_data4_13feb2021/J1646-2142_550_200_512_2.13feb2k21.raw0.timestamp gwbh7:/data4/gpuuser/39_060_data4_13feb2021/J1646-2142_550_200_512_2.13feb2k21.raw0.dat gwbh10:/data5/gpuuser/39_060_13feb2021_data5/J1646-2142_pa_550_200_4096_4_1_8_13feb2021.raw gwbh10:/data5/gpuuser/39_060_13feb2021_data5/J1646-2142_pa_550_200_4096_4_1_8_13feb2021.raw.h4k gwbh10:/data5/gpuuser/39_060_13feb2021_data5/J1646-2142_pa_550_200_4096_4_1_8_13feb21_062539.log gwbh10:/data5/gpuuser/39_060_13feb2021_data5/J1646-2142_pa_550_200_4096_4_1_8_13feb2021.raw.timestamp --------------------------------------- 06:23 : Started command file. /data1/gtac/cmd/jroy/13feb.py 07:00 : Stopped command file, scan and observation closed.