Runway approach using localizer alone
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United States of America Patent
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Apr 17, 2007
Grant Date -
N/A
app pub date -
Apr 10, 2006
filing date -
Apr 10, 2006
priority date (Note) -
Expired
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Abstract
This invention provides an improvement in the present instrument approach procedure used at airports having an ILS localizer without an accompanying UHF glide-slope. The field strength of the localizer, as measured at the airplane, is used as a basis for producing a glide-slope deviation signal. The shape of the resulting path may be adjusted by changing the input/output characteristic of a localizer receiver.
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