Normalnull
In today's world, Normalnull is a topic that has gained great relevance and interest among the population. For several years, Normalnull has been the subject of debates and discussions in different areas, generating conflicting opinions and deep reflections. This trend has aroused the interest of academics, experts, activists and citizens in general, who seek to understand and analyze the different aspects related to Normalnull. In this article, we will thoroughly explore this topic that is so relevant in today's society, addressing its origins, evolution, impact and possible solutions. Join us on this tour of Normalnull and discover the importance it has in our daily lives.
Normalnull ("standard zero") or Normal-Null (short N. N. or NN) is an outdated official vertical datum used in Germany. Elevations using this reference system were to be marked Meter über Normal-Null (“meters above standard zero”). Normalnull has been replaced by Normalhöhennull (NHN).
History
In 1878 reference heights were taken from the Amsterdam Ordnance Datum and transferred to the New Berlin Observatory in order to define the Normalhöhenpunkt 1879. Normalnull has been defined as a level going through an imaginary point 37.000 m below Normalhöhenpunkt 1879. When the New Berlin Observatory was demolished in 1912 the reference point was moved east to the village of Hoppegarten (now part of the town of Müncheberg, Brandenburg, Germany).
References
- ^ S. German: Was ist "Normal-Null"?. In: Physikalische Blätter 1958, vol 14, issue 2, p. 62–66 ISSN 1521-3722 doi:10.1002/phbl.19580140203
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52°30′12″N 13°23′35″E / 52.5034°N 13.3930°E
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