got an AA-230 pro last year at dayton...
with cpu & software will do smith charts...... NOT INEXPENSIVE...
http://www.eham.net/reviews/detail/8529
http://rigexpert.net/main.html
very cool device, like whitey's( ikz) AEA.... but WAY COOLER
bill
At 06:07 PM 5/8/2012, Jim Brown wrote:
>I'm looking for suggestions for upgrading my antenna design and analysis
>resources. Something like six years ago I bought the version of the
>TAPR VNA marketed by Ten Tec. It's nice as far as it goes, but six
>years is a long time in the development cycle of products like this, and
>when my neighbor called looking for suggestions, I didn't have a good
>answer. I've consistently heard good things about N2PK's design, but
>it's surface mount, and my eyes and soldering skills aren't up to it.
>
>Second, I'm looking for Smith Chart software suitable for modeling
>antennas. I need to be able to exchange files with W7EL's EZNEC and
>measurement software like the TAPR. I don't anticipate working above a
>few hundred MHz with it.
>
>Suggestions/experience welcome. Please keep it on the list -- I suspect
>others may have interest in these issues, and any suggestions may invite
>comments/review from others.
>
>73, Jim K9YC
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