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Crossboom size



Hi all,
I know this is a faq but please bear with me.I just wonder what is the
minimum lenght possible for a fiberglass crossboom, considering a "mode B"
configuration.
If a 1/4 wavelenght must be taken from each end of one antenna to the
other, I suspect the minimum distance would be
(70/4)+(70/4)+(200/4)+(200/4) = 135 cm   ..... is it correct?
Thanks in advance
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Roberto Manderioli  , Ferrara Italy
e-mail: rmander@mbox.4net.it
Home page: http://www.geocities.com/CapeCanaveral/7719
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