Xref: utzoo comp.protocols.time.ntp:211 alt.sources.d:1252 comp.sources.d:6221
Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!usc!samsung!umich!sharkey!cfctech!rel!bob
From: bob@rel.mi.org (Bob Leffler)
Newsgroups: comp.protocols.time.ntp,alt.sources.d,comp.sources.d
Subject: Re: WWV vs. The Naval Observatory Clock -- Who's Right ?
Keywords: time standards timex
Message-ID: <69@rel.mi.org>
Date: 28 Dec 90 22:35:11 GMT
References: <63354@petro.UUCP>
Followup-To: comp.protocols.time.ntp
Distribution: usa
Organization: Electronic Data Systems, Troy, MI.
Lines: 18

In article <63354@petro.UUCP> root@petro.UUCP (Petty System God) writes:
>the Naval Observatory was reporting time about 12 seconds behind WWV.
>To confirm the observation I called back the Naval Observatory with cu and
>let it report while WWV was reporting over the shortwave -- sure enough when
>WWV hit 124900 the Naval Observatory was reporting about 124848.

My first guess for the difference is the delay intransmitting the data via
the different transports.  i.e.  How long does it for the data to transmit
through the numberous switches, land lines, satelites, etc to reach your
modem?  I'm sure that it is different than shortwave.

bob


-- 
Bob Leffler, (bob@rel.mi.org), (313) 696-2479               Opinions expressed
Electronic Data Systems, GMC Truck SBU                      may not be those
Box 7019, 5555 New King Street, Troy MI. 48007              of my employer.