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- Why
406MHz ?
- Improved
location accuracy
- Global
coverage
- Unique
identity of each beacon
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- Why
121.5/243MHz ?
- Needed
for civilian local homing
- Low power comsumption
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- Why
GPS ?
- Accuracy
to within 10 metres
- Reduces rescue time, increased survivability
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Why
CSAR/SAR modes ?
- Search
and Rescue mode - SAR uses the COSPAS/SARSAT satellite
network during non-combat situations, allowing the rescue mission
to be activated
- Combat Search and Rescue mode - CSAR allows
covert rescue missions to be undertaken using encrypted positional
data and random burst transmissions
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- Why
encryption ?
- Protects
GPS position information, LPI/LPD, ensuring hostile forces remain
unaware of position
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- Why
open voice ?
- Allows
"Friend or Foe" confirmation of survivors identity during
final approach before pickup
- Increased survivor confidence
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Why
have alternative frequencies to 406MHz, 121.5MHz and 243MHz?
- As
a Software Defined Radio it is possible to select a single frequency
between 225MHz and 300MHz for Covert/CSAR operations.
- For Search and Rescue training exercises on non-emergency
channels, programmable offset frequencies are available on VHF
119MHz-224MHz and UHF 238MHz-248MHz.
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- Why
antenna options ?
- Allows
flexibility to place beacon anywhere on body
- Allows antenna to be placed in optimum position for range and
GPS pickup
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