West european avionics companies have closed the technology gap in the field of ground-based navigation and traffic control aids. Some systems are mentioned shortly described is the er-720 series of air surveillance radars (France's thomson-csf), employing two transmitters and receivers operating at slightly displaced frequencies, and thomson-scf's series ls-371 monitoring system.
European close us ground navaid lead
Aviation Week and Space Technology ; 90 , 22 ; 143-147
1969
, 7 Bilder
Aufsatz (Zeitschrift)
Deutsch
EUROPA , FLUGSICHERUNG , HERSTELLUNG , NAVIGATION , RADAR
Tema Archiv | 1973
|Navy tests rapid-reaction navaid
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|Navaid uses electrostatic gyros
Tema Archiv | 1971
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