|Subject:||[TowerTalk] Antenna modeling|
|From:||"R. Kevin Stover" <firstname.lastname@example.org>|
|Date:||Wed, 08 Dec 2004 09:44:01 -0600|
I'm planning a tower install this next spring and am getting deep into the planning and a have a few questions.
#1. How do you model commercial antennas without the dimensions of said antenna?
I'd like to be able to model the antenna before buying it
#2. How do you model something like a Cushcraft X7 with the log feed section?
#3. When modeling an antenna with traps how do you know what values to plug in as loads for the traps?
I was planning on 4el SteppIR and an XM240 on a 70ft AN Wireless tower then I got to thinking about feeding the tower for 160m and using the beams for toploading. That won't work too well if the dimmensions and thus toploading provided by the SteppIR change all of the time so I'm now looking for traditional beam designs. Since Cushcraft is the only manufacturer to my knowlege that provides manuals for the products online, and I can use those dimensions to get an idea of how the system will perform, they've moved to the head of the pack.
Thanks for your input and advice. .
-- R. Kevin Stover, ACØH
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
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