Commercial:

www.wimo.com

Wimo antennas can be purchased through http://www.ssbusa.com

Homebrew:

Very good sites:

http://ve2zaz.net/

also

http://members.aol.com/k5oe/index.htm

select Home Brew Hardware Picture Alblum at lower left of page.

If I can assist in any way, please email.

Mike K9QHO AMSAT 33589