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Contents
Specs      
Media      
 


Specs
VLA
  • 11 ITC hydrophones
  • Quadruple nested with 5 elements per nesting: 250, 500, 1000, and 2000 Hz.
  • Built in compass and tilt sensor
  • Hand deployable
  • Nesting arrangement
ITC 6050C Hydrophones
  • Sea state zero with -157 dB re 1v/uPa
  • 30 to 75000 Hz omnidirectional response
  • Built-in low noise 20 dB preamp
Sediment phones
  • Phones buried ~1m deep
Reson TC4014 Hydrophones
  • Compressional wave
  • Sea state zero with -186 dB re 1v/uPa sensitivity
  • 15 Hz to 480 kHz omnidirectional response
  • Built-in 26dB low noise pre amp
NRL Shear sensor
  • Shear wave
  • -160dB re 1uPa/V
  • 20 to 20000 Hz flat response
  • Built-in low noise pre-amps
Compass and Tilt Sensor
  • 0.5° Heading accuracy when level
  • 1.0° Heading accuracty when tilted
  • 0.1° Heading resolution
  • 0.2° Tilt accuracy
  • 0.1° Tilt resolution
  • 20° Tilt range
DAQ System
  • Compact form factor PC (PXI)
  • Runs Win2K and LabVIEW
  • 12 VDC battery powered
  • 16 simultaneously sampled channels
  • Max sample rate of 102400 Hz
  • 24 bit dynamic range
  • On board LPF
Wireless Control System
  • Proxim AP-4000 802.11a/b/g Wireless Access Point
  • Oatley Electronics RF Tx/Rx kit for remote battery disconnection
  • EDTP Easy Ethernet W microchip board to remotely sleep DAQ system


Media
Pictures
Schematics of the DAQ housing (black) and battery pack (yellow).

       
       
   

Presentations
FlyBy specs.ppt F. Simonet's power point presentation discussing the motivaton of the project, experimental setup, and equipment specs. This presentation also shows some sample data and calculations.


Links
Aircraft Sound
Doppler Spectroscopy
MAKAI Experiment