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The CAST-4000 produces GPS RF signals to stimulate either tightly or loosely-coupled GPS/INS navigation systems.
The system algorithms contain mature avionic sensor simulations for aiding. A strapdown Inertial Navigation System,
Barometric Altimeter, Attitude Heading Reference System, Radar Altimeter and numerous auxiliary sensors
are available over an optional 1553 interface.
The CAST-4000 has the ability to output raw IMU measurements to a receiver under test when equipped with an optional interface.
This allows users to test GPS receivers that are tightly or loosely integrated with a strapdown IMU.
The form of the optional interface (bus, shared memory, etc) is customized to the user's particular requirements.
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