GTAC Observation Log 1. Date : 31/12/2018 2. Observation Sr. No. : 10774 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) : Deepak, Pramod 8. Command File : /odisk/gtac/cmd/jroy/35_043_31dec.cmd 9. LTA File : /gsbifrdata1/31dec/35_043_610MHz_31dec2018.lta, /gsbifrdata1/31dec/35_043_325MHz_31dec2018.lta, /gwbifrdata1/31dec/35_043__550lo_31dec2018_gwb.lta, /gwbifrdata1/31dec/35_043__500lo_31dec2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/35_043A.FLAGS.1, /odisk/online1/logflags/35_043.FLAGS.1 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 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) : 591 591 540 540 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :25 32. Name of Non-Working Antennas (with reason for each) : C00 : ABC time out S02 : GAB problem W04 : RFI C01 : Taken for painting W06 : Taken for mechanical work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 31 Dec 2018 10:00:00 - 31 Dec 2018 14:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :25 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 -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: Total=0 # BEAM-1:175 :: Total=0 # BEAM-2:130 :: Total=0 # BEAM-2:175 :: Total=0 # BEAM-3:130 :: C02 C05 C10 C11 C12 C13 S01 W01 Total=8 # BEAM-3:175 :: C02 C05 C10 C11 C12 C13 S01 W01 Total=8 # BEAM-4:130 :: C03 C04 C06 C08 C09 E02 E03 E04 E05 S03 W02 W03 W05 Total=13 # BEAM-4:175 :: C03 C04 C06 C08 C09 E02 E03 E04 E05 S03 W02 W03 W05 Total=13 # GSB GAC configuration is as follows : # BEAM-1:130 :: C02 C05 C10 C11 C12 C13 S01 W01 Total=9 # BEAM-1:175 :: C02 C05 C10 C11 C12 C13 S01 W01 Total=9 # BEAM-2:130 :: C03 C04 C06 C08 C09 E02 E03 E04 E05 S02 S03 W02 W03 W04 W05 Total=15 # BEAM-2:175 :: C03 C04 C06 C08 C09 E02 E03 E04 E05 S02 S03 W02 W03 W04 W05 Total=15 10:00 : Started set up. 10:30 : Power equalized and phasing done on 3C286. 10:39 : C14 Taken for mechanical work. 10:45 : Phasing done on 1822-096 and started command file. '/odisk/gtac/cmd/jroy/35_043_31dec.cmd' 11:10 : S04 removed from GAC because of feed problem. 12:00 : Stopped command file duo to MUOS-4 satellite. From 12:05 to 12: 30 : RFI duo to MUOS-4 satellite.Hence Stopped command file. 12:35 : Restarted command file. 13:11 : C00 and S04 added in GAC. 14:00 : Stopped command file and observation session is over.