From owner-freebsd-chat Wed May 3 13:52: 9 2000 Delivered-To: freebsd-chat@freebsd.org Received: from ns.yogotech.com (ns.yogotech.com [206.127.123.66]) by hub.freebsd.org (Postfix) with ESMTP id 1D3D237B63E for ; Wed, 3 May 2000 13:52:05 -0700 (PDT) (envelope-from nate@yogotech.com) Received: from nomad.yogotech.com (nomad.yogotech.com [206.127.123.131]) by ns.yogotech.com (8.9.3/8.9.3) with ESMTP id OAA02651; Wed, 3 May 2000 14:52:02 -0600 (MDT) (envelope-from nate@nomad.yogotech.com) Received: (from nate@localhost) by nomad.yogotech.com (8.8.8/8.8.8) id OAA01634; Wed, 3 May 2000 14:52:01 -0600 (MDT) (envelope-from nate) Date: Wed, 3 May 2000 14:52:01 -0600 (MDT) Message-Id: <200005032052.OAA01634@nomad.yogotech.com> From: Nate Williams MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: Neill Robins Cc: Nate Williams , chat@FreeBSD.ORG Subject: Re: GPS heads up In-Reply-To: <7684.000503@nc.rr.com> References: <200005031952.NAA01317@nomad.yogotech.com> <7684.000503@nc.rr.com> X-Mailer: VM 6.34 under 19.16 "Lille" XEmacs Lucid Reply-To: nate@yogotech.com (Nate Williams) Sender: owner-freebsd-chat@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > I don't know why they even continued to use SA after they released > Differential GPS, which is good to 5 meters and less. It sort of got > around the signal degredation. But, for the folks who didn't want to > sink $500 into a DGPS unit, this news is great. It is sort of > surprising since it is 6 years earlier than planned. Because in order to use DGPS, you must be near a DGPS transmitter, which for most of the US (anywhere but the two coasts) is not a feasible option. Nate > > Neill > > > Wednesday, May 03, 2000, 3:52:55 PM, you wrote: > > NW> [ Moved to -chat ] > > >> Ok, this has nothing to do with FreeBSD, but I just had to post > >> something since nobody else has. > >> > >> By presidential order, on May 1 the error introduced into the GPS > >> system, called 'SA', was turned off. > > NW> You've *GOT* to be kidding? Honest and truly? (Runs outside with his > NW> GPS). > > >> This means that your GPS receivers are now around 5-10 times more > >> accurate then they were before May 1st. > > NW> On my Garmin 12, I could get accuracy to 53' consistently before, now > NW> it's consistenly at 14'. If I averaged the errors, I got 43', now it > NW> only gets 1' better to 13'. > > NW> Still, it's measurably better than before. > > >> And I have to say, I am totally amazed! My handheld Garmin now > >> tells me that it is accurate to 14 feet, rather then 100 ft. It is > >> so accurate now that I can tell which side of the street I'm on! > > NW> This is good and bad. Now my routes tell me I'm off since I'm on the > NW> other side of the road. *grin* > > >> I am well and truely amazed. It's impressive to see the thing recognize > >> when I take a few steps in one direction or another using a bunch of > >> satellites sitting thousands of miles away in the sky. It's even more > >> impressive to see the government do something right for a change! > > NW> No kidding. Thanks for the announcement Matt, I wouldn't have noticed > NW> this for a while had you not posted this, and then I would have wondered > NW> if my GPS was going bonkers. :) > > > > NW> Nate > > > NW> To Unsubscribe: send mail to majordomo@FreeBSD.org > NW> with "unsubscribe freebsd-chat" in the body of the message > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message