GTAC Observation Log 1. Date : 03/12/2022 2. Observation Sr. No. : 14841 3. Observer : Sangita Kumari, Bhaswati Bhattacharyya 4. Observer\'s Email : skumari@ncra.tifr.res.in, bhaswati.bhattacharyya78@gmail.com 5. Project Name : Investigation of eclipse properties of spider MSPs 6. Project Code : 43_094 7. Operator(s) : Surender 8. Command File : /data1/gtac/cmd/43_094/43_094_03Dec2022_0200_cmd.py 9. LTA File : /gwbifrdata/03dec/43_094b_03dec2022_subar2_gwb.lta, /gwbifrdata/03dec/43_094a_03dec2022_subar1_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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 03 Dec 2022 02:00:00 - 03 Dec 2022 04:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :29 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 8 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 : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF1 : 500 500 GPU_DDCLO1 : 540.000000 540.000000 GPU_SB1 : 1 1 GCODE1 : 43_094A GPU_RF2 : 550 550 GPU_DDCLO2 : 0.000000 0.000000 GPU_SB2 : 1 1 GCODE2 : 43_094B GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : PA GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 4 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF 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 GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C04 C05 C06 E02 E03 S02 S03 Total=10 # BEAM-1:175 :: C00 C01 C02 C04 C05 C06 E02 E03 S02 S03 Total=10 # BEAM-2:130 :: C08 C09 C10 C11 C12 C13 C14 E04 S01 S04 W01 W02 W03 W04 Total=14 # BEAM-2:175 :: C08 C09 C10 C11 C12 C13 C14 E04 S01 S04 W01 W02 W03 W04 Total=14 -------------------------------- 02:00 : Started set-up. 02:00 - 02:19 : Sub-array1 creating problem due to c03 antenna and also phase cal 1331+305 below horizon. ------------------------------- 02:19 : Restarted set-up. 02:41 : Started command file. /data1/gtac/cmd/43_094/43_094_03Dec2022_0200_cmd.py 04:00 : Stopped command file and observing session over. -------------------------------