GTAC Observation Log 1. Date : 03/12/2022 2. Observation Sr. No. : 14845 3. Observer : Jayanta Roy, Shyam Sunder, Bhaswati Bhattacharyya, Lina Levin, Ben Stappers, Paul Ray, Sanjay S. Kudale 4. Observer\'s Email : jroy@ncra.tifr.res.in, ssunder@ncra.tifr.res.in, bhaswati.bhattacharyya78@gmail.com, lina.s.levin@gmail.com, Ben.Stappers@manchester.ac.uk, paul.ray@nrl.navy.mil, ksanjay@gmrt.ncra.tifr.res.in 5. Project Name : Long-term timing of GMRT discovered millisecond pulsars 6. Project Code : 43_106 7. Operator(s) : Deepak, Nilesh, Rupsing 8. Command File : /data1/gtac/cmd/jroy/43_106_3Dec2022_1600_cmd.py 9. LTA File : /gwbifrdata2/03dec/43_106_03dec2022_band3_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+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/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 : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. S03 : Touch up painting. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 03 Dec 2022 16:00:00 - 03 Dec 2022 17:45:00 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 : 8 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 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 43_106 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : VOLTAGE GPU_BEAM_3 : PA GPU_BEAM_4 : OFF 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 : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED --------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-2:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E04 E05 S01 S02 S04 W01 W02 W04 W05 Total=23 # BEAM-2:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E04 E05 S01 S02 S04 W01 W02 W04 W05 Total=23 # BEAM-3:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E04 E05 S01 S02 S04 W01 W02 W04 W05 Total=23 # BEAM-3:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 E04 E05 S01 S02 S04 W01 W02 W04 W05 Total=23 ----------------------------------------------------------------------- 16:20 : Setup done. 16:25 : Started command file. /data1/gtac/cmd/jroy/43_106_3Dec2022_1600_cmd.py 16:27 : Stopped command file due to observation plan changed by SSK. 16:48 : Target source not up in the sky, rising at 16:58. 16:55 : Restarted command file with phasing iteration on 3C48. 17:45 : Stopped command file and observation closed.