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Teledyne Marine USBL DAT (Underwater Acoustic Modems)

The Benthos Directional Acoustic Transponder (DAT) Is an​ Extension to the Teledyne Benthos ATM-900 Series Modem

The system is a modified ultra-short baseline (USBL) which uses a broadband component of a typical modem message to form estimates of arrival angle(s).
which automatically estimates the azimuthal and vertical arrival angles of a message sent by a remote modem. While conventional USBL devices employ tonal signals, our appropriate processing of wide-band signals provides far better-combined range and arrival angle estimation, especially at low Signal to Noise Ratio (SNR).

  • Teledyne Marine USBL DAT (Underwater Acoustic Modems)
Teledyne Marine
1026 North Williamson Blvd.
32114 Daytona Beach
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Description

Our device offers a clear 360-degree field of view in azimuth and an approximate vertical coverage spanning + 90º overhead to -50º below horizontal. The DAT's compact size and low power consumption make it optimal for surface and subsurface platforms. Acoustic modem and USBL functionality can now be integrated on Autonomous Underwater Vehicles in one system. Mounting our DAT on an AUV, as an inverted USBL system, can provide navigational accuracy unsurpassed by other systems.

Key Features:

  • All-in-one; Range, Bearing, and Data Communication
  • Acoustic modem and USBL functionality
  • Compact form factor
  • Low power consumption
  • Multiple frequency options (LF, MF, and Band C)
  • Available as either in a pressure housing or as combinable customer electronics with matching transducer

Applications

  • ​Inverted USBL system: mount the DAT on an AUV for unsurpassed navigational accuracy.

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