GTAC Observation Log 1. Date : 21/01/2017 2. Observation Sr. No. : 9148 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) : Deepak, Pramod, Shilpa 8. Command File : /odisk/gtac/cmd/u31_058/31_058_2017-01-21_part1.cmd, /odisk/gtac/cmd/u31_058/31_058_2017-01-21_part2.cmd 9. LTA File : /gsbifrdata1/21jan/31_058_21jan2017.lta 10. LogFlag File : /odisk/online1/logflags/31_058.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 : 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) : 306 306 255 255 51 51 30. Integration Time : 16.1061 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): 21 Jan 2017 05:00:00 - 21 Jan 2017 13:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : GWB antennas : C00,C01,C02,C03,C04,C05,C06,C09,C10,C11,C12,C13,C14,E02,S01,W01. Antennas in IA : C00,C01,C02,C03,C04,C05,C06,C09,C10,C11,C12,C13,C14,E02,S01,W01 =15 Antennas in PA : C00,C01,C02,C05,C06,C09,C10,C12 = 8 ------------------------------------------------------------------ GWB Settings : 200MHz Bandwidth, 2k Channels, 500MHz GABLO, Total Intensity, IA-PA. 05:00 : Started settings. 05:30 : Power equalized on 3C286 @ 150 counts at GWB o/p. 05:40 : Phasing done on 3C286. 05:59 : '/odisk/gtac/cmd/u31_058/31_058_2017-01-21_part1.cmd' command file started. 06:34 : C03-130pol removed from GAC because of RFI. 09:17 : stopped command file and started next command file. '/odisk/gtac/cmd/u31_058/31_058_2017-01-21_part2.cmd' 09:53 : Remove E02 from GAC because of Electrical power failure. 10:45 : E02 added in GAC. 12:45 : Stopped command file. 12:55 : Started scan on 3C48. 13:00 : Stopped scan and observation session is over.