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Instrument: ARGOS : ARGOS Data Collection and Position Location System
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The Argos DCS is another data collection relay system that adds
the benefits of providing global coverage and platform
location. The Argos program is administered under a joint
agreement between the National Oceanic and Atmospheric
Administration (NOAA) and the French space agency, Centre
National dřEtudes Spatiales (CNES).

The system consists of in-situ data collection platforms
equipped with sensors and transmitters and the Argos instrument
aboard the NOAA Polar-orbiting Operational Environmental
Satellites (POES). The global environmental data sets are
collected at telemetry ground stations in Fairbanks, Alaska;
Wallops Island, Virginia; and Lannion, France; and pre-processed
by the National Environmental Satellite, Data, and Information
Service (NESDIS) in Suitland Maryland.

Worldwide coverage is provided by this system. Additionally,
incorporating the Argos instrument on a moving satellite allows
for locating an in-situ platform using Doppler shift
calculations. This positioning capability permits applications
such as monitoring drifting ocean buoys and studying wildlife
migration paths.

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[Summary provided by NOAA]