GTAC Observation Log 1. Date : 27/11/2023 2. Observation Sr. No. : 16111 3. Observer : Ian Roberts, Reinout Johannes vanWeeren, Alessandro Ignesti, Neven Tomicic 4. Observer\'s Email : iroberts@strw.leidenuniv.nl, rvweeren@strw.leidenuniv.nl, alessandro.ignesti@inaf.it, neven.lacon@gmail.com 5. Project Name : Mapping the Low-Frequency Spectrum of NGC2276 and its Extreme Stripped Tail 6. Project Code : 45_011 7. Operator(s) : Navnath, Rupsing 8. Command File : /data1/gtac/cmd/45_011/45_011_27Nov2023_0500_cmd.py 9. LTA File : /gsbifrdata1/27nov/45_011_27nov2023_b5_gsb.lta, /gwbifrdata2/27nov/45_011_27nov2023_b5_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1409 MHz ,RF2 : 1409 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1460 MHz, ILO2 : 1460MHz , 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) : 1409 1409 1460 1460 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C03 : feed jam. C04 : Servo off. S01 : LMC down. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 27 Nov 2023 05:00:00 - 27 Nov 2023 12:00:00 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 : 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 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 45_011 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 : ON 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 value is used / THRESHOLD / DIGITAL_NOISE DDC_STATUS : OFF # DDC = ON/OFF -------------------------------- 05:20 : Started command file. 05:20:20 : Started scan on 3C286 for ~ 10.2005 min. 05:34:12 : Started scan on 0410+769 for ~ 5.23449 min. 05:40:49 : Started scan on NGC2276 for ~ 30.199 min. 06:12:23 : Started scan on 0410+769 for ~ 5.23449 min. 06:18:56 : Started scan on NGC2276 for ~ 30.199 min. 06:51:31 : Started scan on 0410+769 for ~ 3.48966 min. 06:56:27 : Started scan on NGC2276 for ~ 30.199 min. 07:00:00 : Changed phase cal as 0410+769 got set. : informed user over mail. : No information from user about new phase cal : So replaced with 1459+716. 07:30:00 : restarted cmd file. /data1/gtac/cmd/45_011/end.py 07:30:37 : Started scan on 1459+716 for ~ 5.23449 min. 07:37:32 : Started scan on NGC2276 for ~ 30.199 min. 08:09:23 : Started scan on 1459+716 for ~ 5.23449 min. 08:16:14 : Started scan on NGC2276 for ~ 30.3332 min. 08:48:57 : Started scan on 1459+716 for ~ 5.10027 min. 08:55:50 : Started scan on NGC2276 for ~ 30.199 min. 09:27:50 : Started scan on 1459+716 for ~ 5.23449 min. 09:34:53 : Started scan on NGC2276 for ~ 30.199 min. 10:07:12 : Started scan on 1459+716 for ~ 5.10027 min. 10:14:20 : Started scan on NGC2276 for ~ 30.199 min. 10:46:34 : Started scan on 1459+716 for ~ 5.23449 min. 10:53:48 : Started scan on NGC2276 for ~ 30.199 min. 11:26:10 : Started scan on 1459+716 for ~ 5.23449 min. 11:33:30 : Started scan on NGC2276 for ~ 13.2875 min. 11:48:07 : Started scan on 1459+716 for ~ 2.01326 min. 11:53:39 : Started scan on 3C286 for ~ 7 min. 12:00:00 : Observation session over. ------------------------------------------------