GTAC Observation Log 1. Date : 20/01/2017 2. Observation Sr. No. : 9144 3. Observer : Avishek Basu,Krishnakumar M.A,B.C. Joshi 4. Observer's Email : avishekbs3@gmail.com,kkma@ncra.tifr.res.in,aomar@aries.res.in,dipankar@iucaa.in,bcj@ncra.tifr.res.in 5. Project Name : DDT Observation 6. Project Code : DDTB265 7. Operator(s) : Navnath, Nilesh, Rupsing 8. Command File : 9. LTA File : /gsbifrdata1/19jan/ddtb265_19jan2017.lta 10. LogFlag File : /odisk/online1/logflags/DDTB265.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1382 MHz ,RF2 : 1382 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,OFF, IF-CH2 : 4+12 dB, 16 MHz,OFF 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 : OFF 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : Volt 23. ACQ BW : 16.666666 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 1382 1382 1320 1320 62 62 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : S01 : Feed Jam in Cal mode(MCM-14 Time out) 33. Note for Backup : 34. Start and End Time of Obs.(IST): 19 Jan 2017 21:00:00 - 20 Jan 2017 00:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : node33: /mnt/a/gsbuser/ddtb265_19jan2017/B0531+21.190117.1382.30ns.pavb.timestamp /mnt/a/gsbuser/ddtb265_19jan2017/B0531+21.190117.1382.30ns.pavb.Pol-R1.dat /mnt/d/gsbuser/ddtb265_19jan2017/B0531+21.190117.1382.30ns.pavb.Pol-R2.dat -------------------------------------------------------------------------- node33: /mnt/a/gsbuser/ddtb265_19jan2017/test.pavb.Pol-L1.dat /mnt/d/gsbuser/ddtb265_19jan2017/test.pavb.Pol-L2.dat /mnt/d/gsbuser/ddtb265_19jan2017/B0531+21.190117.1382.30ns.pavb.Pol-L2.dat /mnt/a/gsbuser/ddtb265_19jan2017/B0531+21.190117.1382.30ns.pavb.Pol-L1.dat --------------------------------------------------------------------------- 21:30 : Started setup. 22:00 : Started power eq on CRAB at 100 counts. 22:15 : Started phasing phasing on 3c147. 22:20 : Started recording on 3C147 for 3min. 22:30 : Started scan on B0531+21 for 75 min. 23:49 : Started scan on 3C147 for ~ 1.47639 min. 23:52 : Started scan on 3C147 for ~ 1.01326 min. 23:55 : Stopped scan observation session over.