[KYHAM] J-pole Discussion Sunday Night

[Bill Fuqua]

Sunday night there was a lengthy discussion about J-pole antennas.
The one that Mark was talking about has been referred to as a top-wire 
J-pole antenna.
Below are examples of this and a lengthy discussion with analysis of all 
three possible
variations.

    An interesting point is that the "Top-wire" J-pole has a more uniform 
SWR over the
2 meter band than a floating wire or single wire J-pole.

A folded radiator J-pole antenna

http://www.qsl.net/sv5byr/slimjim.htm

http://www.qsl.net/vk2kfj/jpole.html

And here is an analysis of all three possibilities.

http://www.cebik.com/jp2.html


73
Bill wa4lav


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