GTAC Observation Log 1. Date : 09/02/2021 2. Observation Sr. No. : 12887 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) : Navnath 8. Command File : /odisk/gtac/cmd/jroy/39_060_9feb.cmd 9. LTA File : /gwbifrdata/09feb/39_060_09feb2021_band5.lta, /gwbifrdata1/09feb/39_060_09feb2021_band5.lta.1, /gwbifrdata1/09feb/39_060_09feb2021_band5.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1371 MHz ,RF2 : 1371 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , 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 : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 1371 1371 1320 1320 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. W06 : Low fringe due to offsets. C06 : : Low fringe due to offsets. S01 : RFI. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 09 Feb 2021 03:00:00 - 09 Feb 2021 05:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :26 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 39_060 GPU_CNTRL : TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : PA GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 4 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 -------------------------------- # GWB GAC configuration is as follows : # BEAM-4:130 :: C00 C01 C02 C04 C05 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S02 S03 S04 W01 W02 W03 W04 W05 Total=24 # BEAM-4:175 :: C00 C01 C02 C04 C05 C08 C09 C10 C11 C12 C13 C14 E02 E03 E04 E05 S02 S03 S04 W01 W02 W03 W04 W05 Total=24 ------------------------------------------------------- 03:00:00 : Started setup. 03:10:00 : Started power eq on 1154-350 at 150 counts. 03:14:09 : Started scan on 1154-350 for ~ 1.52113 min. 03:15:00 : Phasing done. : Started cmd file. /data1/gtac/cmd/jroy/39_060_9feb.py 03:18:29 : Started scan on J1207-5050 for ~ 5.54766 min. 03:14:09 : Started scan on 1154-350 for ~ 1.52113 min. 04:22:11 : Started scan on 1526-138 for ~ 0.357914 min. 04:23:52 : Started scan on 1526-138 for ~ 1.07374 min. 04:28:24 : Started scan on J1640+2224 for ~ 20.3116 min. 04:50:30 : Started scan on J1713+0747 for ~ 9.75315 min. 05:00:00 : observation session closed. -----------------------------------------------------------