3
i.
About this Manual
Thank You
and
Congratulations
on selecting a La Crosse
Technology Professional Weather Station! We are positive you will
enjoy the benefits of accurate weather readings and the precise, radio-
controlled time information that our instruments offer. La Crosse
Technology introduced radio-controlled instruments to the US market
in 1991 and continues to be on the cutting-edge of this technology in
America.
This manual will guide you step-by-step through setting up your La
Crosse Technology device. Use this manual to become familiar with
your professional weather station, and save it for future reference.
ii.
Glossary of Common Terms
NIST
*
The National Institute of Standards and Technology maintains the
primary frequency standard for the United States. The NIST also
coordinates the United States time and frequency standards with other
world standards. The NIST provides time and frequency services for
United States clientele.
WWVB
*
The WWVB is an AM radio station in Ft. Collins, Colorado, managed
by the NIST. The WWVB’s function is to broadcast time-of-day
information derived from the NIST atomic clock, located in Boulder,
Colorado.
ATOMIC CLOCK
*
An atomic clock is an extremely accurate time device measuring time
by the movements of electrons in cesium atoms. The NIST atomic
clock is one of the most precise clocks in the world, accurate to 10
billionths of one second. The NIST’s atomic clock contributes to the
international group of clocks calculating the Coordinated Universal
Time (UTC)—the official world time.
