GTAC Observation Log 1. Date : 26/12/2023 2. Observation Sr. No. : 16227 3. Observer : Gabriele Bruni, Piconcelli, Francesca Panessa, Javier Moldon, Miguel Perez-Torres, Cristian Vignali, Giustina Vietri 4. Observer\'s Email : gabriele.bruni@inaf.it, enrico.piconcelli@inaf.it, francesca.panessa@iaps.inaf.it, jmoldon@iaa.es, torres@iaa.es, cristian.vignali@unibo.it, giustina.vietri@inaf.it 5. Project Name : Radio WISSH: tuning on the most luminous quasars in the Universe 6. Project Code : 45_019 7. Operator(s) : Navnath, Sachin, Shriram 8. Command File : /data1/gtac/cmd/45_019/45_019_26Dec2023_1300_cmd.py 9. LTA File : /gsbifrdata/26dec/45_019_26dec2023_b3_gsb.lta, /gwbifrdata2/26dec/45_019_26dec2023_b3_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+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) : 306 306 255 255 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : W04 : Applied elevation brakes. S02 : Taken for maintenance. C00 : Taken for maintenance W03 : Applied azimuth brakes. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 26 Dec 2023 13:00:00 - 26 Dec 2023 20:00:00 35. ONLINE Machine : TGC 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 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 45_019 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_WALSH : OFF GPU_ENV : RELEASED -------------------------------- 13:00 : Started settings. 13:14 : Started command file, \'/data1/gtac/cmd/45_019/45_019_26Dec2023_1300_cmd.py\' 16:02 : C00 released for observation 16:31 : C01 released for observation 16:34 : Started scan on 1716+218 for ~ 10.2453 min. 16:44 : cmd file stopped. : dropped following source as it is near horizon and getting set. (\'1650+25\'),(\'1716+218\'),(\'1629+679\'),(\'1701+64\'),(\'1629+679\') 16:55:00 : 16:57:41 : Started scan on 3C48 for ~ 11.2295 min. 17:14:52 : Started scan on 0010+174 for ~ 0.984262 min. --bad scan 17:23:34 : Started scan on 0010+174 for ~ 10.29 min. 17:21:00 : S02 released for observation 20:05:00 : Observation session over.