[42971] in North American Network Operators' Group
Re: GPS SA and Network Timing
daemon@ATHENA.MIT.EDU (Petr Swedock)
Wed Sep 26 21:03:51 2001
Date: Wed, 26 Sep 2001 21:03:13 -0400 (EDT)
Message-Id: <200109270103.VAA07656@thelonius.ai.mit.edu>
From: Petr Swedock <petr@ai.mit.edu>
To: nanog@merit.edu
Cc: Ejay.Hire@broadslate.net, rs@seastrom.com
In-reply-to: <87adzij9vc.fsf@valhalla.seastrom.com> (rs@seastrom.com)
Errors-To: owner-nanog-outgoing@merit.edu
: "Hire, Ejay" <Ejay.Hire@Broadslate.net> writes:
:
: > In our next episode of Militant dictator How-to, we'll show you how to
: > upgrade an antique scud missile to with a guidance system capable of 3-meter
: > accuracy for less than $500.00 per unit.. Stay tuned!
:
: Somehow, I find it difficult to believe I'm dignifying this with a
: response (much less a public one), but here goes:
:
: Every commercial GPS unit that I have ever seen has a speed which, if
: exceeded, will cause the unit to shut down (usually until
: power-cycled). It varies from unit to unit, but in every observed
: case was substantially (several times) less than the speed of such
: weaponry in flight.
There's also acceleration/decceleration effects: in a missile
that goes from zero to 'sweet mother of Abraham Lincoln!!!' in
less than the time it takes to send a content-free post to NANOG,
a commercial (off-the-shelf) GPS won't last til the projectile
reaches max V.
: Resist the cycle of content-free posts to NANOG...
=-)
Peace,
Petr
--
Systems, Networks and Gadgets, done with Artful Intelligence
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Policy: ASCII/text attchmnts alway read. PDF maybe read. Others, by
necessity, may be ignored. Don't take it personally, it's a time issue.
