Date: Mon, 8 May 2000 21:52:01 -0400 (EDT) From: Chuck Robey <chuckr@picnic.mat.net> To: Warner Losh <imp@village.org> Cc: Nate Williams <nate@yogotech.com>, Mike Smith <msmith@FreeBSD.ORG>, hackers@FreeBSD.ORG Subject: Re: [OT] Finding people with GSM phones (was Re: GPS heads up ) Message-ID: <Pine.BSF.4.21.0005082151230.3027-100000@picnic.mat.net> In-Reply-To: <200005090144.TAA81887@harmony.village.org>
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On Mon, 8 May 2000, Warner Losh wrote: > In message <Pine.BSF.4.21.0005082132120.3027-100000@picnic.mat.net> Chuck Robey writes: > : I'm not trying to tell you you're wrong, but I'm having trouble connecting > : the dots. Is my lady informant all wet? Or, am I misunderstanding you? > > The syncing isn't for the initial sync like you are talking about. It > is to reject messages that get to the phone by multi-path. The phone > knows what's valid and what isn't and to do that has to know what time > it is. It isn't to start the sync either, because of the same > multipath and atmospherics introducing variations in the propigation > times. There are also some other uses for timing that I know I've > forgotten over time. Gotcha. Thanks! ---------------------------------------------------------------------------- Chuck Robey | Interests include C & Java programming, FreeBSD, chuckr@picnic.mat.net | electronics, communications, and signal processing. New Year's Resolution: I will not sphroxify gullible people into looking up fictitious words in the dictionary. ---------------------------------------------------------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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