GTAC Observation Log 1. Date : 01/03/2020 2. Observation Sr. No. : 11940 3. Observer : Yogesh Maan, BHAL CHANDRA JOSHI, Mayuresh Surnis, Manjari Bagchi 4. Observer\'s Email : maan@astron.nl, bcj@ncra.tifr.res.in, mayuresh.surnis@mail.wvu.edu, manjari.bagchi@gmail.com 5. Project Name : Continuing the multi-band low-frequency monitoring of the Magnetar XTE 1810-197 6. Project Code : 37_102 7. Operator(s) : Surender 8. Command File : /odisk/gtac/cmd/bcj/p37_102_01mar2020.cmd.txt 9. LTA File : /gwbifrdata1/01mar/37_102B_01mar2020_b4.lta.1, /gwbifrdata1/01mar/37_102A_01mar2020_b5.lta.1 10. LogFlag File : /odisk/online1/logflags/37_102B.FLAGS.3, /odisk/online1/logflags/37_102A.FLAGS.3, /odisk/online1/logflags/37_053.FLAGS.13 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 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) : C11 : : 175 pol self power problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 01 Mar 2020 07:00:00 - 01 Mar 2020 09:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF3 : 1460 1460 GPU_DDCLO3 : 0.0000 0.0000 GPU_SB3 : 1 1 GCODE3 : 37_102A GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 37_102B GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : PA GPU_BEAM_3 : PA GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF ---# GWB GAC configuration is as follows : # BEAM-2:130 :: C00 C04 E02 E03 S01 S02 W01 W02 Total=8 # BEAM-2:175 :: C00 C04 E02 E03 S01 S02 W01 W02 Total=8 # BEAM-3:130 :: C01 C02 C03 C05 C06 C08 C09 C10 C12 C13 C14 Total=11 # BEAM-3:175 :: C01 C02 C03 C05 C06 C08 C09 C10 C12 C13 C14 Total=11 ----------------------------- 07:00 : Started set-up. 07:30 : Started command file. /odisk/gtac/cmd/bcj/p37_102_01mar2020.cmd.txt 09:00 : Stopped comamnd file and observing session over. -----------------------------