From owner-freebsd-chat Thu May 27 2:25:52 1999 Delivered-To: freebsd-chat@freebsd.org Received: from PhisH.cian.net (tnt-8-232.easynet.co.uk [195.40.204.232]) by hub.freebsd.org (Postfix) with ESMTP id 40C0C1525C for ; Thu, 27 May 1999 02:25:48 -0700 (PDT) (envelope-from c.raven@ukonline.co.uk) Received: from ukonline.co.uk (localhost [127.0.0.1]) by PhisH.cian.net (8.8.7/8.8.7) with ESMTP id KAA00442; Thu, 27 May 1999 10:29:20 +0100 Message-ID: <374D1070.25739C4B@ukonline.co.uk> Date: Thu, 27 May 1999 10:29:20 +0100 From: "Chris R." Organization: CIAN X-Mailer: Mozilla 4.07 [en] (X11; I; Linux 2.0.36 i586) MIME-Version: 1.0 To: Marius Bendiksen Cc: Terry Lambert , freebsd-chat@FreeBSD.ORG Subject: Re: New resource on freefall. References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-chat@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Marius Bendiksen wrote: > > > > The resolution is a little low! You should borrow someones GPS unit :) > > The accuracy is a little low! You should borrow a military unit :) > > Hey, in peace times those won't get more accurate than 30 metres? > > - Marius - > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-chat" in the body of the message Actually, if you go D-GPS (Differential GPS) you are dealing in decimetres Military i.e. not using the 'selective availability' (a clock messing filter) is measured +/- 10m Commercial GPS is +/- 100m roughly. However users do report much higher accuracy's using GLONAS and GPS+GLONAS systems as the Ruskies aren't filtering output at this time. That said, their satellites keep breaking down so its purely academic :-\ CR To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message