GTAC Observation Log 1. Date : 16/09/2022 2. Observation Sr. No. : 14610 3. Observer : Himanshu Grover, Jaikhomba Singha, BHAL CHANDRA JOSHI, Paramasivan Arumugam, Shantanu Desai, Debades Bandyopadhyay, SARMISTHA BANIK, Erbil Gügercinoğlu, Innocent Okwudili Eya, Anu Kundu, James Okwe Chibueze, Johnson Ozoemenam Urama 4. Observer\'s Email : himanshu_g@ph.iitr.ac.in, mjaikhomba@gmail.com, bcj@ncra.tifr.res.in, p.arumugam@gmail.com, shntn05@gmail.com, debades.bandyopadhyay@saha.ac.in, sarmistha.banik@hyderabad.bits-pilani.ac.in, egugercinoglu@gmail.com, innocent.eya@unn.edu.ng, anukundu02@yahoo.com, james.chibueze@gmail.com, johnson@hartrao.ac.za 5. Project Name : Monitoring High Glitch rate Pulsars using uGMRT 6. Project Code : 42_008 7. Operator(s) : Rupsing, Sachin, Surender 8. Command File : /odisk/gtac/cmd/42_008/obs.py 9. LTA File : /gsbifrdata/16sep/42_008_16sep2022_gsb.lta.1, /gsbifrdata/16sep/42_008_16sep2022_gsb.lta, /gwbifrdata1/16sep/42_008_16sep2022_gwb.lta.1, /gwbifrdata1/16sep/42_008_16sep2022_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 :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): 16 Sep 2022 16:00:00 - 16 Sep 2022 18:00:00 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 : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF1 : 1460 1460 GPU_DDCLO1 : 0 0 GPU_SB1 : 1 1 GCODE1 : 42_008 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : PA GPU_BM_INT : 128 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 4 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-4:130 :: C00 C01 C04 C05 C06 C08 C09 C10 C11 C12 C13 E02 S01 W01 Total=14 # BEAM-4:175 :: C00 C01 C04 C05 C06 C08 C09 C10 C11 C12 C13 E02 S01 W01 Total=14 15:53 : Power for S-arm. 16:20 : S-arm power came, but AGN for TGC got hung. 16:40 : AGN for TGC started working, started command file. 16:44 : Once again AGN for TGC hung. 17:24 : AGN hung. 17:25 : AGN problem. Observation could not be done because of AGN problem.