GTAC Observation Log 1. Date : 12/05/2021 2. Observation Sr. No. : 13072 3. Observer : Visweshwar Ram Marthi, Dana Simard, Tim Sprenger, Robert Main, Olaf Wucknitz, Marten H vanKerkwijk, Ue Li Pen, Yashwant Gupta 4. Observer\'s Email : vrmarthi@ncra.tifr.res.in, dana.simard@astro.caltech.edu, tsprenger@mpifr-bonn.mpg.de, ramain@mpifr-bonn.mpg.de, wucknitz@mpifr-bonn.mpg.de, mhvk@astro.utoronto.ca, pen@cita.utoronto.ca, ygupta@ncra.tifr.res.in 5. Project Name : Extended Monitoring of the Peculiar Scattering of PSR B1508\\\\+55 6. Project Code : 40_079 7. Operator(s) : Pramod 8. Command File : /odisk/gtac/cmd 9. LTA File : /gwbifrdata/12may/40_079_band3_12may2021.lta.1, /gwbifrdata/12may/40_079_band3_12may2021.lta, /gwbifrdata1/12may/40_079_band4_12may2021.lta.1, /gwbifrdata1/12may/40_079_band4_12may2021.lta, /gwbifrdata2/12may/40_079_band5_12may2021.lta.1, /gwbifrdata2/12may/40_079_band5_12may2021.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/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 :27 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. W06 : LMC is not pinging W04 : RF is not getting set. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 12 May 2021 00:00:00 - 12 May 2021 04:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. Comments (During Observations) : 00:00 to 01:15 : Set up done. 01:15 to 04:00 : Copy collect_MS2 program.But gwbh6 machine was using more 100% CPU.Hence unable open matmon_MS2. After killing old program of only collect. Restarted GWB . Phasing failed as lta file was not recording on gwbh6 machine. Hence observation not done.