I had the idea that a reason spread spectrum was not legal was that the use of
a psuedo-random spreading sequence lent itself to the development of an
unbreakable code (or at least a difficult to break code) that would allow
secret communications by people inimical to the good old USA. And I
It is still valid, Ted, and is described such in the Wikipedia
http://en.wikipedia.org/wiki/Frequency-hopping_spread_spectrum. I think
the FCC rules are definitely out of date, but identification is
essential to being about to share frequencies, so any code that prevents
that has no place on
El 06/03/2010 9:01, KH6TY escribió:
The other possible problem is wide-spreading spread spectrum. There
was a failed attempt about 5 years ago by the ARRL HSMM (High Speed
Multi-Media) proponents to allow spread spectrum on the HF bands with
the argument that the signal is spread so widely,
:01 UTC
Subject: Re: [digitalradio] A question about spread spectrum
The other possible problem is wide-spreading spread spectrum. There was a
failed attempt about 5 years ago by the ARRL HSMM (High Speed Multi-Media)
proponents to allow spread spectrum on the HF bands with the argument
-
*From:* KH6TY mailto:kh...@comcast.net
*To:* digitalradio@yahoogroups.com
mailto:digitalradio@yahoogroups.com
*Sent:* Saturday, March 06, 2010 14:01 UTC
*Subject:* Re: [digitalradio] A question about spread spectrum
The other possible problem is wide-spreading spread spectrum
