GTAC Observation Log 1. Date : 24/02/2019 2. Observation Sr. No. : 10914 3. Observer : Vishal R Gajjar, Andrew Siemion, Shami Chatterjee, Yashwant Gupta, Geoffrey C Bower, Laura Spitler, Robert Wharton, Benito Marcote, Ryan Sean Lynch, Griffin Foster, Daniel C Price, Mayuresh Surnis, Yogesh Maan, Biprateep Dey, Dave MacMahon, Nectaria Gizani, Bryan Butler 4. Observer's Email : vishalg@berkeley.edu, siemion@berkeley.edu, shami@astro.cornell.edu, ygupta@ncra.tifr.res.in, gbower@astro.berkeley.edu, lspitler@mpifr-bonn.mpg.de, rsw95@cornell.edu, marcote@jive.eu, rlynch@nrao.edu, griffin.foster@gmail.com, dan@thetelegraphic.com, mayuresh.surnis@mail.wvu.edu, maan@astron.nl, biprateep.d@niser.ac.in, davidm@berkeley.edu, ngizani@eap.gr, bbutler@nrao.edu 5. Project Name : Low-frequency follow-up of FRB 121102 from the uGMRT 6. Project Code : 35_039 7. Operator(s) : Navnath, Pramod, Surender 8. Command File : /odisk/gtac/cmd 9. LTA File : /gwbifrdata/24feb/35_039_24feb2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/35_039.FLAGS.5 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_lenyadri 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) : W03 : : GAb problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 24 Feb 2019 20:00:00 - 24 Feb 2019 23:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. 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 : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 35_039 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : OFF GPU_BEAM_3 : Voltage GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- Not set-up received from user side. ----------------------------------------------------------------------- 20:48:07 : Started command file. 23:00:00 : Stopped command file and observing session over. --------------------------------------------------------------