On Sun, Jan 29, 2006 at 12:28:58PM +0100, Adrian von Bidder wrote:
> On Sunday 29 January 2006 04:17, John Pettitt wrote:

>> Keep in mind that civilian commercial air traffic is now using GPS
>> so switching it off could lead to unfortunate consequences.

> Do you have more info on this?  I heard (but that may be outdated)
> that precisely because the US wouldn't commit to uphold civilian GPS
> globally, commercial airtraffic was forbidden to rely on GPS for
> navigation.

Well, they have committed to it now; see
http://gps.faa.gov/gpsbasics/SA-text.htm
http://gps.faa.gov/gpsbasics/SA.htm

-- 
Lionel
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