GTAC Observation Log 1. Date : 12/12/2022 2. Observation Sr. No. : 14881 3. Observer : BHAL CHANDRA JOSHI, Yogesh Maan, Yashwant Gupta, Gopakumar Achamveedu, Manjari Bagchi, Shantanu Desai, Prabu Thiagaraj, Jaikhomba Singha, Aman Srivastava, SAICHAITANYA SUSARLA, Nobleson Kunjappy, Subhajit Dandapat, Shinnosuke Hisano, Arul Pandian, Abhimanyu Susobhanan, Lankeswar Dey, Neelam Dhanda Batra, Krishnakumar MA, Pratik Tarafdar, Prerna Rana, Mayuresh Surnis, ARUN KUMAR NAIDU, Avishek kumar Basu, Raghav Prafulla Girgaonkar, Kishalay De, Periasamy K. Manoharan, Nikita Agarwal, Tomonosuke Kikunaga, Adarsh Bathula, Keitaro Takahashi, Neel Kolhe, Piyush Marmat, Ryo Kato, Paramasivan Arumugam, Suryarao Bethapudi, Arpita Choudhary, Dhruv Pathak, Avinash Kumar Kumar Paladi, Divyansh Kharbanda, SARMISTHA BANIK, Vanshaj Kerni, Sreejita Das, Arumugam Swetha, Churchil Dwivedi 4. Observer\'s Email : bcj@ncra.tifr.res.in, maan@astron.nl, ygupta@ncra.tifr.res.in, gopu.tifr@gmail.com, manjari.bagchi@gmail.com, shntn05@gmail.com, prabu@rri.res.in, mjaikhomba@gmail.com, amnsrv1@gmail.com, saichaitanya16@iisertvm.ac.in, nobleson.phy@gmail.com, subhajit.phy97@gmail.com, 145s3023hs@gmail.com, arulpandian05101995@gmail.com, s.abhimanyu@tifr.res.in, LANKY441@GMAIL.COM, neelam.dhanda@gmail.com, kk.ambalappat@gmail.com, pratikta16@gmail.com, prerna.rana92@gmail.com, mayuresh.surnis@mail.wvu.edu, arun@ncra.tifr.res.in, avishek@ncra.tifr.res.in, ep17btech11016@iith.ac.in, kde@caltech.edu, mano@ncra.tifr.res.in, nikitaagar2503@gmail.com, amqmysuto@gmail.com, abathula8055@gmail.com, keitaro@kumamoto-u.ac.jp, kolhe.sci@gmail.com, pmarmat@ph.iitr.ac.in, rkato@sci.osaka-cu.ac.jp, p.arumugam@gmail.com, ep14btech11008@iith.ac.in, arp.astro@gmail.com, pathakdhruv9786@gmail.com, avinashkumarpaladi@gmail.com, ep19btech11002@iith.ac.in, sarmistha.banik@hyderabad.bits-pilani.ac.in, vkerni@ph.iitr.ac.in, i19ph017@phy.svnit.ac.in, ee20btech11005@iith.ac.in, churchildwivedi4@gmail.com 5. Project Name : Indian Pulsar Timing Array (InPTA) experiment using the upgraded wideband GMRT : Update July 2022 6. Project Code : 43_020 7. Operator(s) : Navnath, Nilesh, Pramod, Sachin, Shilpa 8. Command File : /data1/gtac/cmd/43_020/43_020_12Dec2022_0700_cmd.py 9. LTA File : /gwbifrdata1/12dec/43_020b_12dec2022_subar2_gwb.lta, /gwbifrdata1/12dec/43_020a_12dec2022_subar1_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 : 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 : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C09 : Not releasing elevation brakes. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 12 Dec 2022 06:40:00 - 12 Dec 2022 16:03:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. Comments (During Observations) : GWB Pulsar Data Files On :- GWBH7 : /data8/gpuuser/43_020B_data8_12dec2022/* GWBH8 : /data8/gpuuser/43_020A_data8_12dec2022/* ------------GWB Setting--------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 1024 GPU_CHAN_NUM : 0:1023:1 GPU_STOKES : Total_Intensity GPU_RF1 : 1460 1460 GPU_DDCLO1 : 0.000000 0.000000 GPU_SB1 : -1 -1 GCODE1 : 43_020A GPU_RF2 : 500 500 GPU_DDCLO2 : 0.000000 0.000000 GPU_SB2 : -1 -1 GCODE2 : 43_020B GPU_CNTRL : TGC GPU_FSTOP : ON GPU_BEAM_1 : VOLTAGE GPU_BEAM_2 : PA 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 : 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 :: C01 C02 C06 C08 C11 C12 C14 Total=7 # BEAM-1:175 :: C01 C02 C06 C08 C11 C12 C14 Total=7 # BEAM-2:130 :: C00 C04 C05 C10 C13 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 W04 Total=16 # BEAM-2:175 :: C00 C04 C05 C10 C13 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 W04 Total=16 -------------------------------------------------------------------------- 06:40 : Started settings. 07:18 : Phasing done on 3C286. 07:19 : \'/data1/gtac/cmd/43_020/43_020_12Dec2022_0700_cmd.py\' command file started. 08:39 : S04 not tracking properly due to this not phased properly, So S04 removed from GAC. 09:30 : S04 phased properly, so added in GAC. 10:10 : S03 taken for painting, so removed from GAC. 10:15 : C14 bad band shape, so removed from GAC. 10:50 : E05 taken for callsheet work. 11:10 : C09 started working, so added in GAC. 11:10 : C14 seems to be ok, so added in GAC. -------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C01 C02 C06 C08 C09 C11 C12 C14 Total=8 # BEAM-1:175 :: C01 C02 C06 C08 C09 C11 C12 C14 Total=8 # BEAM-2:130 :: C00 C04 C05 C10 C13 E02 E03 E04 S01 S02 S04 W01 W02 W03 W04 Total=15 # BEAM-2:175 :: C00 C04 C05 C10 C13 E02 E03 E04 S01 S02 S04 W01 W02 W03 W04 Total=15 -------------------------------------------------------------------------- 16:03 : Stopped command file and observing session over.