System and method for a terrain database and/or position validation
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United States of America Patent
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Dec 28, 2010
Issued Date -
N/A
app pub date -
Sep 6, 2007
filing date -
Sep 6, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
An aircraft weather radar system can be used with a terrain avoidance system. The aircraft weather radar system is coupled to an antenna. A processor receives radar returns received by the antenna. The processor determines terrain elevation estimates for use with the terrain avoidance system from the radar returns. The terrain elevation estimates are compared to stored terrain elevation data used with the terrain avoidance system to verify position or to check the integrity of the stored elevation data. The processor can be part of a terrain avoidance system, a weather radar system, a navigation system, or can be a standalone system.
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