GTAC Observation Log 1. Date : 28/01/2019 2. Observation Sr. No. : 10843 3. Observer : Bhaswati Bhattacharyya, Jayanta Roy, Andrew Lyne, Ben Stappers, Patrick Weltevrede, Evan Francis Keane, Maura Ann McLaughlin, Michael Kramer, Cees Bassa, Christine Jordan 4. Observer's Email : bhaswati@ncra.tifr.res.in, jroy@ncra.tifr.res.in, andrew.lyne@manchester.ac.uk, Ben.Stappers@manchester.ac.uk, Patrick.Weltevrede@manchester.ac.uk, Evan.Keane@gmail.com, maura.mclaughlin@mail.wvu.edu, mkramer@mpifr-bonn.mpg.de, bassa@astron.nl, cajordan@manchester.ac.uk 5. Project Name : Investigation of Rotating Radio Transients at simultaneous multiple frequencies with the GMRT 6. Project Code : 35_043 7. Operator(s) : Pramod, Sachin 8. Command File : /odisk/gtac/cmd/jroy/35_043_28jan.cmd 9. LTA File : /gsbifrdata1/28jan/35_043_band4_28jan2018_gsb.lta, /gsbifrdata1/28jan/35_043_band3_28jan2018_gsb.lta, /gwbifrdata2/28jan/35_043_suba4_28jan2019_gwb.lta.1, /gwbifrdata2/28jan/35_043_suba4_28jan2019_gwb.lta, /gwbifrdata2/28jan/35_043A_suba2_28jan2019_gwb.lta 10. LogFlag File : /odisk/online1/logflags/35_043A.FLAGS.3, /odisk/online1/logflags/35_043.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 32 MHz,OFF, IF-CH2 : 24+4 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Host : gsbm1 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : PA 22. Beam - 2 : PA 23. ACQ BW : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 306 306 255 255 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :30 32. Name of Non-Working Antennas (with reason for each) : 33. Note for Backup : 34. Start and End Time of Obs.(IST): 28 Jan 2019 08:00:00 - 28 Jan 2019 12:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :30 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 : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF2 : 500 500 GPU_DDCLO2 : 0.0000 0.0000 GPU_SB2 : 1 1 GCODE2 : 35_043A GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 35_043 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : PA GPU_BEAM_4 : PA GPU_BM_INT : 16 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- # GSB GAC configuration is as follows : # BEAM-1:130 :: C00 C02 C05 C10 C11 C12 C13 S01 W01 Total=9 # BEAM-1:175 :: C00 C02 C05 C10 C11 C12 C13 S01 W01 Total=9 # BEAM-2:130 :: C03 C04 C06 C08 C09 C14 E02 E03 E04 S02 S03 S04 W02 W03 W04 Total=15 # BEAM-2:175 :: C03 C04 C06 C08 C09 C14 E02 E03 E04 S02 S03 S04 W02 W03 W04 Total=15 # GWB GAC configuration is as follows : # BEAM-3:130 :: C00 C02 C05 C10 C11 C12 C13 S01 W01 Total=9 # BEAM-3:175 :: C00 C02 C05 C10 C11 C12 C13 S01 W01 Total=9 # BEAM-4:130 :: C03 C04 C06 C08 C09 E02 E03 E04 S02 S03 S04 W02 W03 W04 Total=14 # BEAM-4:175 :: C03 C04 C06 C08 C09 E02 E03 E04 S02 S03 S04 W02 W03 W04 Total=14 07:00 : Started set up. 07:40 : Power equalized and phasing done on 1822-096. 07:55 : Started command file. '/odisk/gtac/cmd/jroy/35_043_28jan.cmd' 09:05 : RFI observed on phase cal. 1822-096 for band3 and band4. 09:33 : C02 Removed from GAC. 12:00 : Stopped command file and observation session is over.