EDUCATION AND COMMUNICATIONS|communications · TRANSPORT|organisation of transport|organisation of transport
- poncfhoinse Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
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- Definition a ground-referenced radio aid to navigation in which,like VOR/DME,all the information is obtained from a single ground installation,and unlike,for example,Gee which requires a chain of ground stations Reference Multilingual Aeronautical Dictionary(AGARD,1980)