GTAC Observation Log 1. Date : 28/08/2022 2. Observation Sr. No. : 14545 3. Observer : BHAL CHANDRA JOSHI, Yogesh Maan, Yashwant Gupta, Gopakumar Achamveedu, Manjari Bagchi, Shantanu Desai, Prabu Thiagaraj, Abhimanyu Susobhanan, Jaikhomba Singha, Aman Srivastava, SAICHAITANYA SUSARLA, Lankeswar Dey, Nobleson Kunjappy, Subhajit Dandapat, Shinnosuke Hisano, 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, Arul Pandian, 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 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, s.abhimanyu@tifr.res.in, mjaikhomba@gmail.com, amnsrv1@gmail.com, saichaitanya16@iisertvm.ac.in, LANKY441@GMAIL.COM, nobleson.phy@gmail.com, subhajit.phy97@gmail.com, 145s3023hs@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, arulpandian05101995@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 5. Project Name : Indian Pulsar Timing Array (InPTA) experiment using the upgraded wideband GMRT : Update 2022 6. Project Code : 42_006 7. Operator(s) : Pramod, Surender 8. Command File : /data1/gtac/cmd/42_006/42_006_28aug2022.py 9. LTA File : /gwbifrdata/28aug/42_006B_28aug2022_gwb.lta, /gwbifrdata2/28aug/42_006A_28aug2022_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1371 MHz ,RF2 : 1371 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , 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 : 16.666666 MHz 24. Final BW : 41666665 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 136.2499 28. LO5 -2 : 168.7501 29. Frequency Parameters (TPA) : 1371 1371 1320 1320 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C08 : Servo Problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 28 Aug 2022 04:00:00 - 28 Aug 2022 08:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 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 : 1024 GPU_CHAN_NUM : 0:1023:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 42_006 GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : VOLTAGE 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 :: C00 C04 C05 C10 C13 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 W04 Total=16 # BEAM-1:175 :: C00 C04 C05 C10 C13 E02 E03 E04 S01 S02 S03 S04 W01 W02 W03 W04 Total=16 # BEAM-2:130 :: C01 C02 C06 C09 C11 C12 C14 Total=7 # BEAM-2:175 :: C01 C02 C06 C09 C11 C12 C14 Total=7 ----------------------------------- 04:00:00 : Started set-up. 04:09:45 : Started command file. \'/data1/gtac/cmd/42_006/42_006_28aug2022.py\' 08:00 : Stopped command file and observation session is over.