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The Radar Operators Job

2008 Airborne Radar Training Hurricane Research Division Atlantic Oceanographic and Meteorological Laboratory. The Radar Operators Job. Set up the radars properly Maintain and monitor data collection… Take good detailed notes! Run the Doppler analysis package

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The Radar Operators Job

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  1. 2008 Airborne Radar TrainingHurricane Research DivisionAtlantic Oceanographic and Meteorological Laboratory

  2. The Radar Operators Job • Set up the radars properly • Maintain and monitor data collection… • Take good detailed notes! • Run the Doppler analysis package • Secure the radar data tapes at end of flight

  3. The Radar System • Lower Fuselage radar: LF or “belly radar” Need to optimize tilt angle to minimize sea clutter • Tail Doppler radar: TA Need to set scan mode, tile angle and Pulse Repetition Frequency. Monitor for noise. • Nose radar: Weather avoidance radar, controlled form cockpit.

  4. WP-3D Aircraft and their Radars

  5. WP-3D Aircraft and their Radars

  6. Radar System Setup • “Do no harm”: Ask AOC for help if you cannot set up or operate the radars. • Use the trackball to access the menus. • Do not forget to select UPDATE before exiting a menu. • Do not leave the trackball active as it locks out other users!

  7. Trackball Controls All • Press all 3 to activate • Select display 1, 2 pr 3 • Left button selects • Right button deselects • Central nurron zooms • Trackball moves cursor and scrpll bars

  8. Accessing the Menus • Select a display with the radar you want to change. • Select “Setup” in the User Menu. • Pick setup menu: TA Setup, LF Setup, Data Management, System Status • Make changes, select update • Click right button to exit.

  9. TA Display

  10. TA Setup Menu • DCS1 U1A/U1 • TA SETUP MENU UPDATE SETUP FILE HURR1 LOAD SAVE PRF1 2100 PRF2 2100 P. WID 0.375 uS UNITS RANGE AVERAGE VAR AMB RANGE 94 KM BIN SPACING 75 AX RANGE 7 7 KM I NPUT BINS 1 02 OUTPUT SPACE VAR SAMPLE SIZE 32 OUTPUT BINS 512 THRESHOLDS REF REF 1.5 SQI 0.30 DATA DOPPLER RANGE 0.000 GAIN FIXED • ---------------REF/WIDTH SCALE------------ • -5 0 5 10 15 20 25 30 35 40 45 50 55 60 • --------------------VELOCITY SCALE ----------- • T 12 10 8 6 4 2 0 2 4 6 8 10 12 A

  11. LF Setup Menu DSC1 U1A/U2 LF SETUP MENU UPDATE SETUP FILE HURR1 LOAD SAVE PRF 200 P.WID 6.0 uS UNITS RANGE AVERAGE 1 AMB RANGE 749 KM BIN SPACING 750 MAX RANGE 384 KM INPUT BINS 512 OUTPUT SPACE 750 SAMPLE SIZE 32 OUTPUT BINS 512 THRESHOLDS REF REF 1.5 ---------REFLECTIVITY SCALE------------------------------- • 0 5 10 15 20 25 30 35 40 45 50 55 60

  12. Data Management Menu DATA MANAGEMENT DSC1 U1A/U2 UPDATE SETUP FILE HURR1 LOAD SAVE ---------------------------------TAPE OPTIONS---------- LFREF REF VEL WID REC TATUS DR1 YES YES YES YES ON REW ONLINE DR2 YES YES YES YES OFF REW ONLINE LFSKIP 2 TASKIP 1 AUTOSW ON -------------------------- DISPLAY OPTIONS------------ DSC #1 LF REF DSC #2 TA REF VEL DSC #3 LF REF -------------------------- CONTROL OPTIONS ---------------­ LFSET TASET LFUSE TAUSE DATA STAT USER1 YES YES YES YES YES YES USER2 YES YES YES YES YES YES USER3 NO NO YES YES YES NO

  13. Adjusting Tilt Angles • Select appropriate display for radar. • Click on TILT. • Roll trackball left or right to adjust angle. • Click left button to select angle. • Click right to free up display.

  14. Adjusting LF tilt

  15. LF Sample Image • asasaaaa

  16. Suggested LF Tilt Angles Altitude (ft) Tilt (deg) 100 -1500 2.5-3.0 1500 -10000 2.0-2.5 10000 -15000 1.5-2.0 >15000 0.0-1.5 Cooperate with Flight Director!

  17. Adjustung TA tilt angle • Do not try to adjust FrenchAntenna – on NOAA 43 in 2008 • If SCAN MODE is Continuous set tilt angle to 0 degrees. • If scanning in Fore/Aft (FAST) set tilt angle to 20 degrees. • Note: Default mode ar start up is FAST but you may need to change tilt from 0 to 20.

  18. System Status Menu • Shows ststem status and contrils radar operation. • Do NOT mess with any of the settings – leave that to the AOC Data Tech. • Bottom line of mene displays errpr messages. Cleat by clicking on messages – but best left for DataTech to examine.

  19. System Status Screen DSC1 U1A/U1SYSTEM STATUS LF FILE HURR1 LF OP OFF RUN LF R/T STBY TA FILE HURR1 TA OP OFF RUN TA R/T STBY DA FILE HURR1 CLR MSG LOAD LF AFC Y RESET NAV 1 TA AFC Y DEVICE STATUS LF DSP | UP TA DSP | UP DSP/DSC | UP / UP DSC #1 | UP LF REF DSC #2 UP TA REF VEL DSC #3 | UP LF REF TAPE1 | UP ONLINE TAPE2 | UP OFFLINE LF AN/RT UP/UP 259.4 0.0 CON/STBY AFC TA AN/RT UP/UP 199.1 0.0 CON/STBY AFC MDS/ RCU UP/UP MDS TIMEOUT /INE1 MDS TIMEOUT MDSRC 74

  20. Please take good notes! • Scan modes, PRF, and time of any changes to radar operation. • Note time of each turn. • Note storm center position, time and movement for each penetration. • Note radar down times. • Note noisy TA display.

  21. Noisy TA images: noisy Doppler degrades radar analysis LF tilt change with altitude change Display not updating: means data are not beinf recorded either. Tape not recording: If tape stops then data flow to workstation stops. Tell Tech of any ptoblems Stuff to Look Out For

  22. Noisy Doppler sdfgsdg

  23. Clean Doppler Data • yuiuk

  24. Look for Water in the TA Radome Not much you can do about it, but please note it if you see it.

  25. Obtain radar tapes from AOC Data Tech. Obtain radar capture files on thumb drive from Data Tech. Turn over data and radar forms to Lead Project Scientist. If in Barbados, purchase Rum for those of us stranded in Miami. At the End of Flight

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