GTAC Observation Log 1. Date : 17/09/2017 2. Observation Sr. No. : 9761 3. Observer : Yashwant Gupta, Kishalay De, Kaustubh Milind Rajwade, Mihir Krishna Arjunwadkar 4. Observer's Email : ygupta@ncra.tifr.res.in, kde@caltech.edu, rkaustubh10@gmail.com, mihir.arjunwadkar@gmail.com 5. Project Name : Single pulse studies of millisecond pulsars 6. Project Code : 32_089 7. Operator(s) : Deepak, Shilpa 8. Command File : /odisk/gtac/cmd/32_089/test_cmdfile_17sep17.txt,, /odisk/gtac/cmd/32_089/32_089_cmdfile_S3-2_17sep17.txt 9. LTA File : /gwbifrdata2/17sep/32_089_17sep2017_gwb.lta.1, /gwbifrdata2/17sep/32_089_17sep2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/32_089.FLAGS.6 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 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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C09 : Maintenance. S01 : MCM-5 timeout. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 17 Sep 2017 18:00:00 - 17 Sep 2017 20:47:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. 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 : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 32_089 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : Voltage GPU_BEAM_2 : OFF GPU_BEAM_3 : PA GPU_BEAM_4 : OFF GPU_BM_INT : 4 GPU_GAINEQ : ON GPU_TPA : From GWB GUI. GPU_BITS : 64 inputs. GPU_FILRFI : RFI Filterring OFF --------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C02 C03 C05 C06 C08 C10 C11 C12 C13 E02 E03 S02 S03 W01 W02 W03 Total=16 # BEAM-1:175 :: C02 C03 C05 C06 C08 C10 C11 C12 C13 E02 E03 S02 S03 W01 W02 W03 Total=16 # BEAM-3:130 :: C02 C03 C05 C06 C08 C10 C11 C12 C13 E02 E03 S02 S03 W01 W02 W03 Total=16 # BEAM-3:175 :: C02 C03 C05 C06 C08 C10 C11 C12 C13 E02 E03 S02 S03 W01 W02 W03 Total=16 --------------------------------------------------------------------------- 18:00 : Started settings. 18:35 : Power equalized on 1830-360 @ 150 counts at GWB. 18:40 : Phasing done on 1830-360. 18:41 : '/odisk/gtac/cmd/32_089/test_cmdfile_17sep17.txt' command file started. 18:59 : '/odisk/gtac/cmd/32_089/test_cmdfile_17sep17.txt' command file started. 19:21 : '/odisk/gtac/cmd/32_089/32_089_cmdfile_S3-2_17sep17.txt' command file started. 20:47 : Stopped command file and observing session over.