GTAC Observation Log 1. Date : 23/05/2022 2. Observation Sr. No. : 14194 3. Observer : Mariachiara Rossetti, Tiziana Venturi, Giacintucci Simona, Walter Boschin, Girardi, Simona Ghizzardi, Massimo Gaspari, Fabio Gastaldello, Marco Balboni, Silvano Molendi, Claudio Grillo, Dan Coe, Adi Zitrin, Mario Nonino, Melin, Edoardo Baraldi 4. Observer\'s Email : mariachiara.rossetti@inaf.it, tventuri@ira.inaf.it, simona.giacintucci@nrl.navy.mil, boschin@tng.iac.es, marisa.girardi@inaf.it, simona.ghizzardi@inaf.it, massimo.gaspari@inaf.it, gasta@lambrate.inaf.it, marco.balboni@inaf.it, silvano@iasf-milano.inaf.it, claudio.grillo@unimi.it, dcoe@stsci.edu, Adizitrin@gmail.com, nonino@oats.inaf.it, jean-baptiste.melin@cea.fr, edoardo.baraldi1@studenti.unimi.it 5. Project Name : A candidate relic in PSZ2 G$282.28\\\\+49.94$, the Planck bullet 6. Project Code : 42_046 7. Operator(s) : Navnath, Nilesh, Shriram 8. Command File : /data1/gtac/cmd/42_046/42_046_22May2022_1600_cmd.py 9. LTA File : /gsbifrdata1/22may/42_046_22may2022_gsb_gsb.lta, /gwbifrdata1/22may/42_046_22may2022_gwb_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 : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. W04 : Servo Off. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 22 May 2022 16:00:00 - 23 May 2022 01:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 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 : 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 : 42_046 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 : Voltage Detection GPU_BEAM_S : OFF GPU_PFB : OFF GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED -------------------------------------------------------------------------- ------GWB RFI Filter Setting---------------------------------------------- FILTERED_SIGNALS: RFI_ALL # RFI_ALL=All signals filtered / RFI_CH1 =Channel 1 only / RFI_CH2=Channel 2 only EXTERNAL MEDIAN : 0 # integer value(-128 to 127) THRESHOLD VALUE : 4 # integer value(0 to 127) CONSTANT VALUE : 0 # integer value(-128 to 127) FILTERING OPTION: DIGITAL NOISE # BYPASS / CONSTANT=constant valueis used / THRESHOLD / DIGITAL_NOISE DDC_STATUS : OFF # DDC = ON/OFF -------------------------------------------------------------------------- 16:00 : Started settings. 16:20 : AGN 1 hung. 16:40 : Restarted correlator. 16:50 : Started command file, \'/data1/gtac/cmd/42_046/42_046_22May2022_1600_cmd.py\' * Note : Scintillation observed in East and West arm antennas. 19:46 : Command file stopped. 19:49 : Started scan on 3C286 for ~7 min. 19:57 : Restarted command file. 20:00 : C04 not tracking properly. 01:06 : Stopped command file and observation closed.