secondary
UK /ˈsɛkənd(ə)ɹɪ/US /ˈsɛkənˌdɛɹi/
adjective12
noun12
- A radar return generated by the response of an aircraft's transponder to an interrogation signal broadcast by a radar installation, containing additional encoded identification and situational data not available from a simple primary return.
forms
secondaries · more secondary · most secondary