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to phrases
secondary surveillance radar
nat.sc., transp.
radar secondaire de surveillance
transp., avia.
radar secondaire
English thesaurus
secondary surveillance radar
avia., Canada
A radar system that requires complementary aircraft equipment
transponder
. The transponder generates a coded reply signal in response to transmissions from the ground station
interrogator
. Since this system relies on transponder-generated signals rather than signals reflected from the aircraft, as in primary surveillance radar, it offers significant operational advantages such as increased range and positive identification.
Secondary Surveillance Radar:
24 phrases
in 3 subjects
Aviation
6
Communications
1
Transport
17
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