GTAC Observation Log 1. Date : 26/03/2024 2. Observation Sr. No. : 16562 3. Observer : Akriti Sinha, Abhirup Datta, Sarvesh Mangla, Arnab Chakraborty 4. Observer\'s Email : sinha.akriti44@gmail.com, Abhirup.Datta@iiti.ac.in, mangla.sarvesh@gmail.com, arnab.phy.personal@gmail.com 5. Project Name : The search for redshifted HI signal in z range 1.8 - 3.7 with the uGMRT 6. Project Code : 45_124 7. Operator(s) : Navnath, Sachin 8. Command File : /data1/gtac/cmd/45_124/obs.py 9. LTA File : /gsbifrdata1/25mar/45_124_25mar2024_b3_gsb.lta, /gwbifrdata/25mar/45_124_25mar2024_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 :27 32. Name of Non-Working Antennas (with reason for each) : C11 : : feed not rotating. C14 : : servo off mode. S06 : : LMC down. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 25 Mar 2024 21:00:00 - 26 Mar 2024 06:00:00 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 : 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 : 45_124 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 : 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 -------------------------------- ----------------------------------------------------------------------- 21:21:24 : Started scan on 3C286 for ~ 5.27923 min. 21:28:08 : Started scan on BOOTES01 for ~ 25.2329 min. 21:54:53 : Started scan on 3C286 for ~ 5.18975 min. 22:02:05 : Started scan on 1506+375 for ~ 5.27923 min. 22:08:53 : Started scan on BOOTES01 for ~ 15.2113 min. 22:25:13 : Started scan on BOOTES02 for ~ 28.1857 min. 22:54:29 : Started scan on BOOTES03 for ~ 28.1857 min. 23:24:02 : Started scan on 1506+375 for ~ 5.18975 min. 23:30:32 : Started scan on BOOTES04 for ~ 28.1857 min. 23:59:48 : Started scan on BOOTES05 for ~ 28.1857 min. 00:29:19 : Started scan on 1506+375 for ~ 8.23201 min. 00:38:47 : Started scan on BOOTES06 for ~ 38.2968 min. 01:18:05 : Started scan on BOOTES00 for ~ 35.2545 min. 01:54:35 : Started scan on 1506+375 for ~ 5.27923 min. 02:01:05 : Started scan on BOOTES01 for ~ 15.2113 min. 02:17:23 : Started scan on BOOTES02 for ~ 28.2752 min. 02:46:42 : Started scan on BOOTES03 for ~ 28.1857 min. 03:16:44 : Started scan on 1506+375 for ~ 5.18975 min. 03:23:50 : Started scan on BOOTES04 for ~ 28.1857 min. 03:53:10 : Started scan on BOOTES05 for ~ 28.1857 min. 04:22:56 : Started scan on 1506+375 for ~ 8.32149 min. 04:32:34 : Started scan on BOOTES06 for ~ 38.2073 min. 05:11:51 : Started scan on BOOTES00 for ~ 35.2545 min. 05:48:16 : Started scan on 1506+375 for ~ 5.27923 min. 06:09:19 : Started scan on 3C286 for ~ 9.03732 min. -----------------------------------------------------------------------