DB Netz uses satellites to locate track in three dimensions; geometry satellite surveying enhanced by reference points on the ground is now so accurate that it can be used to define the absolute position of track to ± 10 mm accuracy, allowing contractors' tamping and lining machines to produce track geometry within ±1 mm of optimised calculated values

DB Netz uses satellites to locate track in three dimensions; geometry satellite surveying enhanced by reference points on the ground is now so accurate that it can be used to define the absolute position of track to ± 10 mm accuracy, allowing contractors' tamping and lining machines to produce track geometry within ±1 mm of optimised calculated values

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Veröffentlicht in:Railway gazette international 2008-11, Vol.164 (11), p.872
1. Verfasser: Marx, Dipl-Ing Lothar
Format: Magazinearticle
Sprache:eng
Schlagworte:
Contractors
Machinery
Magneto-electric machines
Surveys
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ISSN:0373-5346