Enrico Schuerrer wrote:

> Only half of the truth. There are 3 variants of the GPS signals: a public
> one, a commercial useable one and a military signal. The public signal is
> not encrypted, the other two signals are (this is only the simplified
> description - if you google for GPS you will find the exact story). For the
> commercial signal with higher accuracy you have to pay for, the military
> signal is - as the name implies - only for military use.

Can you provide a reference to this "commercial signal" please?  It's 
the first I've heard of a commercial band.  I know only of the military 
and civilian one -- not a public, commercial, and military one.

--Michael
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist