GTAC Observation Log 1. Date : 03/07/2020 2. Observation Sr. No. : 12177 3. Observer : Kristina Nyland, Dillon Dong, Sumit Sarbadhicary, Pallavi Patil, Preshanth Jagannathan, Mark Lacy, Dipanjan Mukherjee, Giacintucci Simona, N. Kassim, Vivienne Baldassare 4. Observer\'s Email : knyland@nrao.edu, ddong@caltech.edu, sarbadhi@msu.edu, pallavi3291@gmail.com, pjaganna@nrao.edu, mlacy@nrao.edu, dipanjan@iucaa.in, simona.giacintucci@nrl.navy.mil, kassim@nrl.navy.mil, vivienne.baldassare@yale.edu 5. Project Name : Radio SED Modeling of Compact AGN with Extreme Radio Variability 6. Project Code : 38_040 7. Operator(s) : Manisha, Pramod 8. Command File : /odisk/gtac/cmd/38_040/3jul/38_040.cmd 9. LTA File : /gsbifrdata1/03jul/38_040_03jul2020_gsb.lta, /gwbifrdata2/03jul/38_040_03jul2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/38_040.FLAGS.12 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 : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C03 : Mech Work C06 : Maint. C12 : Maint S06 : No fringe in GWB. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 03 Jul 2020 13:00:00 - 03 Jul 2020 15:10:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. RFI Status : 38. 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 : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 38_040 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 128 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 13:14 : command file started. 13:14:10 : Started scan on 3C147 for ~ 7.98595 min. 13:24:40 : Started scan on 0944+520 for ~ 3.0199 min. 13:28:29 : Started scan on J0950+5128 for ~ 20.0655 min. 13:49:35 : Started scan on 0944+520 for ~ 2.95279 min. 13:53:33 : Started scan on J0950+5128 for ~ 19.9984 min. 14:14:36 : Started scan on 0944+520 for ~ 2.95279 min. 14:18:21 : Started scan on J0950+5128 for ~ 20.1326 min. 14:39:31 : Started scan on 0944+520 for ~ 2.95279 min. 14:43:35 : Started scan on J0950+5128 for ~ 4.63051 min. 14:49:04 : Started scan on 0944+520 for ~ 1.34218 min. 14:52:36 : Started scan on 3C147 for ~ 8.92547 min. 15:00:00 : Observation session over -----------------------------------------------------