GTAC Observation Log 1. Date : 24/03/2019 2. Observation Sr. No. : 10985 3. Observer : Julian Donner, Krishnakumar MA, Joris PW Verbiest, Golam Mohiuddin Shaifullah, Caterina Tiburzi 4. Observer's Email : jdonner@mpifr-bonn.mpg.de, kkma@ncra.tifr.res.in, verbiest@physik.uni-bielefeld.de, golam.shaifullah@gmail.com, 1984cat.ti@gmail.com 5. Project Name : Wide-Band Observational Tests of Interstellar Effects that Could Disrupt High-Precision Pulsar Timing Efforts 6. Project Code : 35_053 7. Operator(s) : Navnath, Nilesh, Pramod, Surender 8. Command File : /odisk/gtac/cmd/35_053/24mar19/obs.cmd 9. LTA File : /gwbifrdata/24mar/35_053C_24mar2019_band5.lta, /gwbifrdata/24mar/35_053B_24mar2019_band4.lta, /gwbifrdata/24mar/35_053A_24mar2019_band3.lta 10. LogFlag File : /odisk/online1/logflags/35_053C.FLAGS.4, /odisk/online1/logflags/35_053B.FLAGS.4, /odisk/online1/logflags/35_053A.FLAGS.5, /odisk/online1/logflags/35_053A.FLAGS.4 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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_lenyadri 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) : 1454 1454 1505 1505 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) : S02 : : Structural Repair Work. C01 : : Servo problem 33. Note for Backup :Pulsar data : gwbh7,8,9 Machine : /data4/gppuuser/ 34. Start and End Time of Obs.(IST): 24 Mar 2019 13:00:00 - 24 Mar 2019 16:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 13:00 : Started setup. ------------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 : 1024 GPU_CHAN_NUM : 0:1023:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF2 : 1460 1460 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : 35_053C GPU_RF3 : 800 800 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : 1 1 GCODE3 : 35_053B GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 35_053A GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : Voltage GPU_BEAM_2 : PA GPU_BEAM_3 : PA GPU_BEAM_4 : OFF GPU_BM_INT : 32 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- # sub 2 # C03 C05 C11 C13 W01 W02 E02 E03 S01 S02 ante 10 1 19 9 11 8 13 17 18 26 27 cp 0;defs 2;subar 2 # sub 3 # C00 C02 C08 W03 W04 E04 S03 S04 ante 8 7 5 24 14 15 21 28 29 cp 0;defs 3;subar 3 # sub 4 # C01 C04 C06 C09 C10 C12 C14 W05 W06 E05 E06 S06 ante 12 6 3 20 4 12 2 10 16 25 22 23 30 cp 0;defs 4;subar 4 # GWB GAC configuration is as follows : # BEAM-1:130 :: C04 C06 C09 C10 C12 C14 Total=6 # BEAM-1:175 :: C04 C06 C09 C10 C12 C14 Total=6 # BEAM-2:130 :: C00 C02 C08 E04 S03 S04 W03 W04 Total=8 # BEAM-2:175 :: C00 C02 C08 E04 S03 S04 W03 W04 Total=8 # BEAM-3:130 :: C03 C05 C11 C13 E02 E03 S01 S02 W01 W02 Total=10 # BEAM-3:175 :: C03 C05 C11 C13 E02 E03 S01 S02 W01 W02 Total=10 13:25 : power eq and phasing done for all sub array. 13:30 : Started cmd file. /odisk/gtac/cmd/35_053/24mar19/obs.cmd 13:55: changed GAC settings. # GWB GAC configuration is as follows : # BEAM-1:130 :: C04 C06 C09 C10 C12 C14 Total=6 # BEAM-1:175 :: C04 C06 C09 C10 C12 C14 Total=6 # BEAM-2:130 :: C00 C02 C08 E04 S03 S04 W03 W04 Total=8 # BEAM-2:175 :: C00 C02 C08 E04 S03 S04 W03 W04 Total=8 # BEAM-3:130 :: C03 C05 C11 C13 E02 E03 S01 W01 W02 Total=9 # BEAM-3:175 :: C03 C05 C11 C13 E02 E03 S01 W01 W02 Total=9 14:00 : Restarted command file. 16:00 : Stopped command file and observation session is over.