Article View: sci.electronics
Article #4745Re: time accuracy in telephone service billing
From: John Eaton
Date: Fri, 01 Jun 1990 15:20
Date: Fri, 01 Jun 1990 15:20
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<<<< < How do long-distance telephone services maintain accuracy in < time-stamping telephone connections? < Precisely, how, and how often, are such clocks set, and what is their < accuracy? ---------- I read a recent article about the Global Positioning System that said many surveyors and the telephone company count on its signals for time information. John Eaton !hpvcfs1!johne
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!munnari.oz.au!uhccux!ames!think!sdd.hp.com!hp-pcd!hpvcfs1!johne From: johne@hpvcfs1.HP.COM (John Eaton) Newsgroups: sci.electronics Subject: Re: time accuracy in telephone service billing Message-ID: <1430015@hpvcfs1.HP.COM> Date: 1 Jun 90 15:20:13 GMT References: <285@sphere.UUCP> Organization: Hewlett Packard, Vancouver, WA Lines: 12