Sonardyne UK (Head Office)
T. +44 (0) 1252 872288
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E. sales@sonardyne.com
www.sonardyne.com
Datasheet
AODC Emergency Transponders
Description
Sonardynes AODC Emergency
Transponders have been developed
to satisfy the requirement for a
portable and economic device for
fitting to Diving Bells which will
provide an up-to-date means of
emergency relocation.
Operating in the frequency band of
37-40kHz, these transponders have
been developed to meet stringent
AODC requirement. They operate in
the 'Sequential Mode' and are
interrogated on their own individual
preset interrogation frequency
(Channels A or B). The reply
frequency is preset to the 'emergency
reply frequency' of 37.5kHz.
Key Features
•
Meets AODC requirements
•
Compact, rugged design
•
Minimum interrogation range of
500 metres
•
Choice of operating channels
•
Up to 18 months listening life
They also satisfy the growing need
for small, medium-range
transponders, which can be easily
handled/ deployed by divers and
vehicles and used for making high
precision measurements and
assisting area searches in low
visibility.
The excellent transducer response
time and stable turnaround delays
allows good measurement accuracies
to be achieved and the delayed
response provides a 'down to zero'
ranging capability. The output power
selected allows a compromise
between an acceptable operating
life, operation in high levels of noise
and as a minimum, an interrogation
range of 500 metres.
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