GTAC Observation Log 1. Date : 19/11/2017 2. Observation Sr. No. : 9879 3. Observer : Paulo Cesar Freire, Yashwant Gupta, Alessandro Ridolfi 4. Observer's Email : pfreire@mpifr-bonn.mpg.de, ygupta@ncra.tifr.res.in, ridolfi@mpifr-bonn.mpg.de 5. Project Name : Studying binary pulsars in globular clusters 6. Project Code : 33_081 7. Operator(s) : Surender 8. Command File : /odisk/gtac/cmd/33_081/33_081_cmdfile_S1-2_19nov17.txt 9. LTA File : /gsbifrdata1/19nov/33_081_19nov2017.lta, /gwbifrdata1/19nov/33_081_19nov2017.lta 10. LogFlag File : /odisk/online1/logflags/33_081.FLAGS.7 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 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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C14 : : Taken for Painting. S02 : : Servo Problem. W05 : : Taken for Painting. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 19 Nov 2017 17:00:00 - 19 Nov 2017 18:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 16:55 : Started set-up. Band-3 with 300-500 MHz setting; GWB LO = 500 MHz, 200 MHz LPF. Final band : 500 - 300 MHz (LSB signal); use 12+12 dB OF attenuation. Backend settings : GWB in 200 MHz mode; interferometer in total intensity; 2048 channels; standard LTA integration; Pulsar mode : Beam1 - voltage beam with CD pipeline; Beam2 -- normal PA total intensity mode with integration of 8. --------------------------------------- GAC Selection : all csq except C14 + S01,S03,E02,E03,W01,W02,W03 --------------------------------------- 16:52 : Started command file. 18:00 : Stopped command file and observing session over.