GTAC Observation Log 1. Date : 30/05/2020 2. Observation Sr. No. : 12057 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) : Navnath, Sachin, Surender 8. Command File : /odisk/gtac/cmd/38_040/30may_7am.cmd 9. LTA File : /gsbifrdata1/30may/38_040_b4_30may2020_gsb.lta, /gsbifrdata1/30may/38_040_b3_30may2020_gsb.lta, /gsbifrdata1/30may/38_040_30may2020_gsb.lta, /gwbifrdata1/30may/38_040_b4_30may2020_gwb.lta, /gwbifrdata1/30may/38_040_b3_30may2020_gwb.lta, /gwbifrdata1/30may/38_040_30may2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/38_040.FLAGS.2 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 : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C03 : Taken for maintenance. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 30 May 2020 07:00:00 - 30 May 2020 09:10:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 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 : 500 500 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 ----------------------------------------------------------- 06:59:03 : Started scan on 3C48 for ~ 7.98595 min. 07:12:50 : Started scan on 2110-103 for ~ 2.95279 min. 07:16:43 : Started scan on J2109-0644 for ~ 20.0655 min. 07:37:29 : Started scan on 2110-103 for ~ 2.95279 min. 07:41:21 : Started scan on J2109-0644 for ~ 20.0655 min. 08:02:07 : Started scan on 2110-103 for ~ 2.95279 min. 08:06:00 : Started scan on J2109-0644 for ~ 19.9984 min. 08:26:47 : Started scan on 2110-103 for ~ 2.95279 min. 08:30:42 : Started scan on J2109-0644 for ~ 19.9984 min. 08:51:42 : Started scan on 2110-103 for ~ 2.95279 min. 09:01:02 : Started scan on 3C48 for ~ 7.91884 min. 09:10:00 : Observation session over ------------------------------------------------------