Web sites for Spread Spectrum mode

http://www.tapr.org/tapr/html/Ffhsspaper.97.html

http://www.tapr.org/ss/

http://sss-mag.com/index.html

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Caveat Lector

Am looking to start experimenting with spread spectrum communications.

I'm pretty much starting from scratch in this area. Could anyone please
point me to a
good starting point? Thanks.