[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: crypto anarchy vs AP
At 04:21 PM 9/29/96 +0200, Gary Howland wrote:
>jim bell wrote:
>>
>> On a related issue, GPS (global-positioning system) contains a de-accurizing
>> mis-feature called S/A, which adds a little error to the location as
>> detected by a receiver. Ostensibly, it was added so that this could be
>> turned on in wartime, to deny the enemy the ability to make 10-meter fixes.
>> Turns out that it was kept on all the time, probably because if it WASN'T it
>> would become politically impossible to de-accurize the system even in wartime.
>
>Apparently S/A (selective availability) was turned *off* during the Gulf
>war. "Military Intelligence" in action.
Yes, because of lack of enough S/A-capable military receivers... They were
stuck with using the commercial, off-the-shelf kind.
Jim Bell
[email protected]