GTAC Observation Log 1. Date : 29/01/2017 2. Observation Sr. No. : 9168 3. Observer : Yashwant Gupta, BHAL CHANDRA JOSHI, Jayanta Roy, Yogesh Maan, Kishalay De, Manjari Bagchi, Gopakumar Achamveedu, Nikhil Vijay Naik 4. Observer's Email : ygupta@ncra.tifr.res.in, bcj@ncra.tifr.res.in, jroy@ncra.tifr.res.in, ymaan@ncra.tifr.res.in, ugkishalayde@ug.iisc.in, manjari.bagchi@gmail.com, gopu.tifr@gmail.com, naiknikhil27@gmail.com 5. Project Name : Towards precision pulsar timing with the upgraded GMRT 6. Project Code : 31_057 7. Operator(s) : Deepak, Rupsing 8. Command File : /odisk/gtac/cmd/31_057/29jan.cmd 9. LTA File : /gwbifrdata/29jan/31_057_29jan2017_1460lo_gwb.lta, /gwbifrdata/29jan/31_057B_29jan2017_500lo_gwb.lta 10. LogFlag File : /odisk/online1/logflags/31_057B.FLAGS.4, /odisk/online1/logflags/31_057.FLAGS.16 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON 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 : OFF 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) : 1454 1454 1505 1505 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :23 32. Name of Non-Working Antennas (with reason for each) : C00 : Servo problem. C01 : Servo problem. C03 : Servo problem. W02 : Servo probelm. W04 : Servo problem. W05 : Servo problem. S02 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 29 Jan 2017 07:00:00 - 29 Jan 2017 12:50:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :24 37. Comments (During Observations) : # Sub 2 # 325MHz # C01 C02 C05 C10 C13 W02 W03 E03 S02 S03 --------------------------------------------------------------------------- #Suba 2 # GAC : C02 C05 C10 C13 --------------------------------------------------------------------------- # Sub 4 # 1420MHz # C00 C03 C04 C06 C08 C09 C11 C12 C14 W01 W04 W05 W06 E02 E04 E05 E06 S01 S04 S06 --------------------------------------------------------------------------- # Suba 4 # GAC : C04 C06 C08 C09 C11 C12 C14 E02 S01 W01 --------------------------------------------------------------------------- 07:30 : Power eq on 1311-222 07:40 : Phasing on 1311-222 07:50 : Started command file. -------------------------------------------------------------------------- 10:20 : Suba2(325MHz) is do not phasing due to satellite(MUOS). -------------------------------------------------------------------------- 10:45 : C00 & C01 started working -------------------------------------------------------------------------- 10:48 : C10 taken for painting -------------------------------------------------------------------------- 10:50 : C00 and C01 add in GAC. -------------------------------------------------------------------------- 12:45 : Stopped command file and observation session over.