GTAC Observation Log 1. Date : 21/01/2017 2. Observation Sr. No. : 9146 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) : Deepak, Navnath, Nilesh, Shilpa 8. Command File : /odisk/gtac/cmd/hold.cmd 9. LTA File : /gsbifrdata1/20jan/ddtb265_20jan2017.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2211 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+14 dB, 16 MHz,OFF, IF-CH2 : 4+14 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 : 8.053 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): 20 Jan 2017 20:00:00 - 21 Jan 2017 00:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : # GSB GAC configuration is as follows : # BEAM-1:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 W01 Total=17 # BEAM-1:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 W01 Total=17 # BEAM-2:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 W01 Total=17 # BEAM-2:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C09 C10 C11 C12 C13 C14 E02 S01 W01 Total=17 --------------------------------------------------------------------------- node33: /mnt/a/gsbuser/ddtb265_20jan2017/ /mnt/d/gsbuser/ddtb265_20jan2017/ -------------------------------------------------------------------------- node34: /mnt/a/gsbuser/ddtb265_20jan2017/ /mnt/d/gsbuser/ddtb265_20jan2017/ --------------------------------------------------------------------------- 20:30 : Started setup. 20:40 : Started power eq on CRAB at 100 counts. 20:45 : Started phasing phasing on 3c147. 20:50 : Started recording on 3C147 for 3min. 20:54 : Started scan on B0531+21 for 90 min. 22:25 : Stopped scan. 22:27 : Started phasing on 3C147. 22:30 : Phasing done. 22:32 : Started scan on B0531+21 for 76 min. 23:52 : Started scan on 3C147 for ~ 2 min. S01 got abc reset, so removed from GAC. 23:57 : Started scan on 3C147 (trkdecoff 5d) for 3min. 00:00 : Stopped scan and observing session over.