RF GPS long cable driver
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United States of America Patent
Stats
-
Dec 7, 1999
Grant Date -
N/A
app pub date -
Sep 10, 1997
filing date -
Sep 10, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for extending the practical lengths over which coaxial cables can be used to transfer signal information from a Global Positioning System (GPS) antenna to a GPS receiver. The apparatus converts the GPS signal frequency of 1.57542 GHz to a frequency low enough to be transferred long distances over coaxial cables without significant signal attenuation and then converts the signal back to the original frequency without the introduction of frequency errors. The invention is not restricted from being used at other frequencies where system design parameters makes it practical.
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