GTAC Observation Log 1. Date : 29/06/2021 2. Observation Sr. No. : 13247 3. Observer : Alexander Drabent, Matthias Hoeft, Kamlesh Rajpurohit, Mukul Mhaskey, Andrea Botteon, Shubham Milind Bhagat 4. Observer\'s Email : alex@tls-tautenburg.de, hoeft@tls-tautenburg.de, kamlesh.rajpurohit@unibo.it, mukul@tls-tautenburg.de, botteon@strw.leidenuniv.nl, bhagat.shubham22@gmail.com 5. Project Name : High-fidelity investigation of spectral index variations in the radio halos of the Corona Borealis Supercluster field 6. Project Code : 40_058 7. Operator(s) : Rupsing 8. Command File : /data1/gtac/cmd/40_058/28Jun2021_2300.py 9. LTA File : /gwbifrdata/28jun/40_058_28jun2021_gwb.lta 10. LogFlag File : 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+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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 : Full_Stokes 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 :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. S06 : FPS problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 28 Jun 2021 23:00:00 - 29 Jun 2021 03:00:00 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 : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : SUBA4 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 : 8 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_ENV : RELEASED ------------------------------------------------------------------- 23:15 : Started command file. ------------------------------------------------------------------- 02:40 : Phase cal. bellow horizon @02:36 ------------------------------------------------------------------- 02:46 : Stopped command file. 02:52 : Started scan on 3C48. 03:00 : Stopped scan and observation closed.