[107407] in Cypherpunks

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Re: Decrypting GPS

daemon@ATHENA.MIT.EDU (Lucky Green)
Wed Jan 13 13:59:58 1999

Date: Wed, 13 Jan 1999 19:35:35 +0100 (CET)
From: Lucky Green <shamrock@cypherpunks.to>
To: John Young <jya@pipeline.com>
cc: cypherpunks@EINSTEIN.ssz.com
In-Reply-To: <199901130151.UAA22454@camel14.mindspring.com>
Reply-To: Lucky Green <shamrock@cypherpunks.to>

I would like to hear about the encryption in  GPS even if it is
classified..

--Lucky


On Tue, 12 Jan 1999, John Young wrote:

> 
> The US Army Corps of Engineers published a doc
> in July 1998, "Use, Acquistion and Security of Precise
> Positioning Service GPS Receivers for Civil 
> Applications," which describes how the military-grade
> encrypted protection of the Precise Position Service can 
> be decrypted for use on civil engineering and other 
> federal projects:
> 
>    http://jya.com/ec1110-1-90.htm
> 
> An informative appendix details the space, control 
> user segments; the characteristics of GPS signals; 
> and other operating features.
> 
> We'd like to hear about the encryption system used
> if that's not classified.
> 
> 
> 
> 


-- Lucky Green <shamrock@cypherpunks.to> PGP v5 encrypted email preferred.


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