
HARC
DATA SHEET |

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HydroAcoustic Remote Controller
Remote control of a wide range of underwater
host packages is easily and effectively achieved
with the L-3 Nautronix Hydro Acoustic Remote
Controller (HARC). HARC provides reliable
remote control of multiple, uniquely addressed
underwater devices in support of specific
operational scenarios.
HARC consists of two main subsystems, the
surface deployed Transmitter system and the
Underwater Transceiver system.
The Transmitter equipment is lightweight,
portable and designed for ease of deployment
and operation from small surface vessels such as
a RHIB. This equipment consists of a Control
Unit, a Battery Supply Unit and a Hydroacoustic
Dunking Transducer. The intuitive operator
interface consists of a single front panel with
embedded membrane switches, alphanumeric
display and status LED that can be customised to
meet specific operator requirements.
The Underwater Transceiver equipment consists
of a Digital Signal Processor based hydroacoustic
modem with transmit circuitry provided in a
miniaturised low power stack, and a small
hydrophone designed for installation in and
integration with an underwater host package.
HARC has been extensively proven in the field
with range reliability in excess of 10 km, subject
to environmental conditions. With the addition of
Acoustic Repeater Beacons more complex
geometries and greater ranges can be achieved.
Future development planned for the HARC
system includes a through-air communications
option, enabling RF control of the Underwater
Transceiver via a Floating Gateway Buoy.
| KEY FEATURES |
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Reliable underwater remote control |
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Man portable and rugged surface Transmitter unit |
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Miniature low power embedded Underwater
Transceiver unit |
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Selective addressing and control of multiple
underwater devices |
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Programmable command set to suit host requirements |
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Flexible interface to underwater host packages |
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Operational ranges in excess of 10 km |
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Status Feedback to surface operator from underwater
host package |
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