                  US Naval Observatory, Washington, DC
                         Automated Data Service

Telnet TYCHO.USNO.NAVY.MIL or 192.5.41.239
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                      -- AUTOMATED DATA SERVICE --
          US NAVAL OBSERVATORY -- WASHINGTON, D.C. 20392-5100

COMMAND EXPLANATION
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aust    Australian HF time signals, schedule to change
tco     Table of Contents
exp     General Explanations
internetHow to TELNET to the ADS over the Internet
note    Cautionary notice
nav     Sources of navigational information
gps     Global Positioning System Information
loran   LORAN Information
omega   OMEGA information
series  USNO Time Service Publications
transit TRANSIT Satellite information
astro   Astronomical Data and date utilities
info    General Time and Time Scales information
tv      TV time transfer information
ptti    PTTI Conference and other information
soft    Software utilities
vlf     VLF data
goes    GOES data
gpsftp  Instructions on using FTP for gps and loran data
