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Product Name:Alpha
Product Description:Easytrak Alpha is the introductory and most compact version of the Applied Acoustics’ range of tracking systems that use a vessel mounted transducer array to calculate the position of a subsea target equipped with an acoustic beacon. Ideally suited for small subsea vehicle operations or diver tracking, the Alpha is a condensed and cost effective system for monitoring close range subsea targets.
Date of first release:2010
Mounting and deployment 
Physical properties of transducer head 
Diameter [mm]:100
Height [m]:0.37
Min. external power [Voltage]:18
Max. external power [Voltage]:240
Max power consumption [W]:60
Used Sonar Methods 
Type of system:USBL
System Parameters 
Frequency {kHz}:17-32
Spread spectrum technology:N
Min. operation range {m}:1
Max. operation range {m}:1700
Operation beam angle {deg}:180
Angle accuracy (degr) @ 20 dB:2
Focussed beam forming:N
Horizontal accuracy (in % of the water depth):3.5
Vertical accuracy (in % of the water depth):3.5
Focussed beam angle {degr}:
Number of active elements:5
Number of transponder channels:4
Multi user functionality:N
Speed of sound 
Ray tracing:N
Real-time integration of SV-profile:N
Motion compensation 
Motion sensors compatible to the system::Supplied internal AHRS sensor only. Internal GPS provided but external GPS can be used.
Required pitch uncertainty [deg}:
Required roll uncertainty [deg]:
Required heave uncertainty [m]:
Compatible hardware:Serial
Compatible software:Alpha v2.2
Real-time access procedure:Standard PC running current Windows operating system
Inertial interfacing:N
Dimensions {mm}:52 x 248
Dry weight {kg}:0.870
Depth rating {m}:600
Additional functions:Compatible with industry standard transponders
Inside deployment pole available:N
Diam gate valve {mm}:100
Outside deployment pole available:N
Recommended distance below keel {m}:1
Maintenance criteria 
Mean time before failure [hr}:
Mean time to repair [hr]:
More information 
Distinguishable features :Small transducer. Easy to use software. Works with very small transponders.

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Supplier Information
  • Applied Acoustics

  • Gapton Hall Road
  • NR31 ONB Great Yarmouth
  • United Kingdom of Great Britain & Northern Ireland



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