GTAC Observation Log 1. Date : 14/01/2017 2. Observation Sr. No. : 9131 3. Observer : Yashwant Gupta, BHAL CHANDRA JOSHI, Manjari Bagchi, Sushan Konar, Niruj Mohan, Poonam Chandra, Mayuresh Surnis, Gopakumar Achamveedu, Debades Bandyopadhyay, Dipankar Bhattacharya, Avinash Anant Deshpande, Biprateep Dey, Vishal R Gajjar, Sanjay S. Kudale, Yogesh Maan, Chandreyee Maitra, Nikhil Vijay Naik, Sachindra Naik, Paramasivan Arumugam, Alak Ray 4. Observer's Email : ygupta@ncra.tifr.res.in, bcj@ncra.tifr.res.in, manjari.bagchi@gmail.com, sushan@ncra.tifr.res.in, mohan@ncra.tifr.res.in, poonam@ncra.tifr.res.in, mpsurnis@ncra.tifr.res.in, gopu.tifr@gmail.com, debades.bandyopadhyay@saha.ac.in, dipankar@iucaa.in, desh@rri.res.in, biprateep.d@niser.ac.in, gajjar@ncra.tifr.res.in, ksanjay@gmrt.ncra.tifr.res.in, maan@astron.nl, chandreyeee@gmail.com, naiknikhil27@gmail.com, snaik.prl@gmail.com, p.arumugam@gmail.com, akr@tifr.res.in 5. Project Name : Survey for Pulsars and Fast Transients with the upgraded GMRT : A Pilot Study 6. Project Code : 31_058 7. Operator(s) : Navnath, Pramod, Sachin 8. Command File : /odisk/gtac/cmd/u31_058/31_058_2017-01-14_part2.cmd, /odisk/gtac/cmd/u31_058/31_058_2017-01-14_part1.cmd 9. LTA File : /gsbifrdata1/14jan/31_058_14jan2017.lta, /gwbifrdata/14jan/31_058_14jan2017_500.lta 10. LogFlag File : /odisk/online1/logflags/31_058.FLAGS.2 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_shivneri 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) : 306 306 255 255 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C03 : :Servo Problem C08 : : frequently Getting ABC Reset. W03 : : applied servo elevation brakes. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 14 Jan 2017 06:00:00 - 14 Jan 2017 14:15:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : GWB Ants :C00,C01,C02,C04,C05,C06,C09,C10,C11,C12,C13,C14,E02,S01,S02,W01.=16 Ants. ----------------------------------------------------------------------- 06:00 : Started setup. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 1.0 GPU_EDGE_FRQ : 0.000000 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_RF : 500 500 GPU_LO-1 : 540 540 GPU_DDC : OFF GPU_DDCLO : 0.0000 0.0000 GPU_SIDEBAND : 1 1 GPU_RF1 : 0 0 GPU_DDCLO1 : 0.0000 0.0000 GPU_SB1 : 1 1 GPU_RF2 : 500 500 GCODE4 : 31_058 GPU_CNTRL : 8 GPU_FSTOP : OFF GPU_BEAM_1 : IA GPU_BEAM_2 : PA GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_FILRFI : RFI Filterring OFF -------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C04 C05 C06 C09 C10 C11 C12 C13 C14 E02 S01 S02 W01 Total=16 # BEAM-1:175 :: C00 C01 C02 C04 C05 C06 C09 C10 C11 C12 C13 C14 E02 S01 S02 W01 Total=16 # BEAM-2:130 :: C00 C01 C02 C05 C06 C12 Total=6 # BEAM-2:175 :: C00 C01 C02 C05 C06 C12 Total=6 ------------------------------------------------------------------------ 06:15 : Started phasing on 3c286. 06:30 : Started scan TEST Pulsar B1802+03 for 5min. 06:43 : Started command file. /odisk/gtac/cmd/u31_058/obs1.cmd 09:56 : E02 servo time out and hence removed from GAC. 11:00 : Stopped command file and started new command file. '/odisk/gtac/cmd/u31_058/obs2.cmd 11:37 : Problem of E02 solved and added in GAC. 14:05 : Stopped command file and observation session is over.