description Zimmerwald Observatory Overview
The Zimmerwald Observatory is a Swiss geodetic and astronomical research facility located near the city of Bern. Established in the 20th century, it is noted for its satellite laser ranging capabilities, which measure the distance to satellites using concentrated laser pulses. Operated by the Astronomical Institute of the University of Bern, it functions as a fundamental geodetic reference station within global observation networks.
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What does Zimmerwald Observatory actually do?
The Zimmerwald Observatory performs satellite laser ranging, which measures precise distances to satellites, and it also conducts optical observations of stars and other objects. It is operated as a professional research facility by the University of Bern's Astronomical Institute. [University of Bern](https://www.aiub.unibe.ch/research/zimmerwald_observatory/index_eng.html)
What is the ZIMLAT telescope at Zimmerwald?
ZIMLAT is the 1-meter Zimmerwald Laser and Astrometry Telescope used mainly for satellite laser ranging. The University of Bern says it has been operating since 1997 and contributes measurements to international geodetic research. [University of Bern telescopes](https://www.aiub.unibe.ch/research/zimmerwald_observatory/telescopes/index_eng.html)
Who operates Zimmerwald Observatory?
The Astronomical Institute of the University of Bern operates the observatory with support from swisstopo for geodetic satellite laser ranging. Zimmerwald also participates in the International Laser Ranging Service and contributes to the International Terrestrial Reference Frame. [University of Bern](https://www.aiub.unibe.ch/research/zimmerwald_observatory/index_eng.html)
How many telescopes are at Zimmerwald Observatory?
The observatory hosts five telescopes with apertures ranging from 20 centimeters to 1 meter. Its main work combines satellite geodesy with optical astronomy, so it is more than a traditional public stargazing observatory. [University of Bern](https://www.aiub.unibe.ch/research/zimmerwald_observatory/index_eng.html)
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