From: Tom Libert <libert@citi.umich.edu>
Date: Thu, 4 Feb 93 20:03:03 PST
To: cypherpunks@toad.com
Subject: Re: `Sunday Times' article on GSM changes
Message-ID: <9302050403.AA10938@toad.com>
MIME-Version: 1.0
Content-Type: text/plain


Jay Prime Positive <jpp@markv.com> writes:
>  A fourth is to use an externaly generated sync signal -- for example
>a radio transmission that both sender and reciever can hear.  (For
>this aplication, I don't see how this would be used...)

Some spread spectrum systems synchronize using the (very accurate)
time signals provide by Global Positioning System (GPS) satellites.

>  Aditional solutions are possible.  (What is this S.A.W. thing I read
>about??)

I don't know where you read it, but it might stand for "Surface
Acoustic Wave".