GTAC Observation Log 1. Date : 16/02/2022 2. Observation Sr. No. : 13955 3. Observer : Mayuresh Surnis, Ben Stappers, Kaustubh Milind Rajwade, BHAL CHANDRA JOSHI, Manjari Bagchi, Michael Kramer, Kuo Liu 4. Observer\'s Email : msurnis@gmail.com, Ben.Stappers@manchester.ac.uk, rkaustubh10@gmail.com, bcj@ncra.tifr.res.in, manjari.bagchi@gmail.com, mkramer@mpifr-bonn.mpg.de, kliu.psr@gmail.com 5. Project Name : Low Frequency Follow-up of PSR J1818-1607 with the uGMRT 6. Project Code : 41_059 7. Operator(s) : Sachin 8. Command File : /data1/gtac/cmd/41_059/16feb.py 9. LTA File : /gsbifrdata/16feb/41_059_16feb2022_gsb.lta, /gwbifrdata1/16feb/41_059_16feb2022_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 : 8.053 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 Feb 2022 04:50:00 - 16 Feb 2022 07:05:00 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 : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 41_059 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 : 32 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-4:130 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 W01 W02 Total=18 # BEAM-4:175 :: C00 C01 C02 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 S02 W01 W02 Total=18 -------------------------------------------------------------------------- 05:13:00 \'/data1/gtac/cmd/41_059/16feb.py\' command file started. 05:13:08 : Started scan on 3C286 for ~ 5.01079 min. 05:26:44 : Started scan on 1822-096 for ~ 2.5054 min. 05:29:46 : Started scan on 1822-096 for ~ 0.894784 min. 05:33:10 : Started scan on 1822-096 for ~ 2.86331 min. 05:36:32 : Started scan on 1822-096 for ~ 0.894784 min. 05:38:49 : Started scan on 1822-096 for ~ 2.14748 min. 05:42:49 : Started scan on B1822-09 for ~ 2.14748 min. 05:49:35 : Started scan on B1822-09 for ~ 2.14748 min. 05:55:38 : Started scan on J1818-1607 for ~ 30.2437 min. 06:27:22 : Started scan on 1822-096 for ~ 2.14748 min. 06:30:51 : Started scan on J1818-1607 for ~ 30.199 min. 07:02:41 : Started scan on 1822-096 for ~ 2.01326 min. 07:05:00 : Stopped command file and observing session over.