GTAC Observation Log 1. Date : 17/12/2022 2. Observation Sr. No. : 14895 3. Observer : Marcus Bruggen, Gabriella Di Gennaro, Tiziana Venturi, Giacintucci Simona, Sandro Bardelli, Paola Merluzzi, Giovanni Busarello, Daniele Dallacasa, Ruta Kale, Gianni Bernardi, Esra Bulbul, Thomas Pasini, Oleg Smirnov, Jeremy S Sanders 4. Observer\'s Email : mbrueggen@hs.uni-hamburg.de, gabriella.di.gennaro@hs.uni-hamburg.de, tventuri@ira.inaf.it, simona.giacintucci@nrl.navy.mil, sandro.bardelli@inaf.it, paola.merluzzi@inaf.it, giovanni.busarello@inaf.it, daniele.dallacasa@unibo.it, ruta@ncra.tifr.res.in, giannibernardi75@gmail.com, ebulbul@mpe.mpg.de, thomas.pasini94@gmail.com, osmirnov@gmail.com, jsanders@mpe.mpg.de 5. Project Name : Uncovering diffuse radio emission around the Bright Central Galaxies in the Shapley Concentration Core 6. Project Code : 43_012 7. Operator(s) : Navnath, Rupsing, Shriram 8. Command File : /data1/gtac/cmd/43_012/43_012_17Dec2022_0400_cmd.py 9. LTA File : /gsbifrdata/17dec/43_012_17dec2022_gsb.lta, /gwbifrdata/17dec/43_012_17dec2022_gwb.lta 10. LogFlag File : 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/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) : 591 591 540 540 51 51 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. E05 : Not releasing elevation brakes. W05 : RF is not getting set at 130 pol 33. Note for Backup : 34. Start and End Time of Obs.(IST): 17 Dec 2022 04:00:00 - 17 Dec 2022 12:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 43_012 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : ON GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------- 04:00:00 : Started setup. 04:20:00 : Started cmd /data1/gtac/cmd/43_012/43_012_17Dec2022_0400_cmd.py 04:24:36 : Started scan on 3C286 for ~ 10.3348 min. 04:30:00 : E05 Started tracking. 04:38:27 : Started scan on 1311-222 for ~ 0.0671088 min. 10:20 : W05 started working properly. 10:30 : S03 taken for painting. 12:00 : Command file stopped and observation session over.