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Localizer Antenna Height

Thu Mar 24, 2005 4:00 am

How tall is the actual localizer antenna that is used for ILS approach systems? Also how tall in the actual glideslope antenna?

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Joined: Fri Nov 05, 2004 2:58 pm

RE: Localizer Antenna Height

Thu Mar 24, 2005 4:33 am

guestimating here..

localizer... 15 feet

glideslope... 30 feet
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RE: Localizer Antenna Height

Thu Mar 24, 2005 5:34 am

20-30 is good for a glideslope, but the localizer array is around 25 feet long, but only 3-4 feet high.
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RE: Localizer Antenna Height

Thu Mar 24, 2005 12:09 pm

I've never measured either to be sure, but I'd concur on the 3-4 foot tall localizer antenna... The G/S post is off to the side of the runway, so it can be higher, and the three antenna are all at varying heights...

Here's a couple of shots from, so you can gauge the dimensions...


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Photo © Nils Alegren


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Photo © Terry Shepherd

ALL views, opinions expressed are mine ONLY and are NOT representative of those shared by Southwest Airlines Co.

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