3-707: The Großer Homburg is a hill, 403 m above sea level (NN) , in the Homburgwald , part of the Weser Uplands in the German state of Lower Saxony . The Großer Homburg is located in the district of Holzminden above and north of the town of Stadtoldendorf and a couple of kilometres south of Eschershausen . On the summit of the Großer Homburg are the castle ruins of the Homburg . There
6-909: Is a good view from the tower of the castle - for example south towards the Solling hills, where the highest hill in the Weser Uplands, the Große Blöße can be seen. On the western slopes of the Großer Homburg there are quarries where gypsum has been extracted for centuries. Normalnull Normalnull ("standard zero") or Normal-Null (short N. N. or NN ) is an outdated official vertical datum used in Germany.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 Normalnull has been replaced by Normalhöhennull (NHN). In 1878 reference heights were taken from
9-780: 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 ). This cartography or mapping term article
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