Portable Automatic Dependent Surveillance broadcast receivers, transmitters and transceivers for use in aircraft, including both certified and experimental/lsa aircraft; with the foregoing for air traffic control and safety purposes in connection with non-military and non-commercial aircraft, namely, to determine the position of an aircraft in the air and vis-a-vis the ground for the purpose of aircraft surveillance and avoidance

'air':24,51 'aircraft':13,19,40,48,63 'automat':2 'avoid':66 'broadcast':5 'certifi':16 'commerci':39 'connect':31 'control':26 'depend':3 'determin':43 'experimental/lsa':18 'forego':22 'ground':58 'includ':14 'militari':35 'name':41 'non':34,38 'non-commerci':37 'non-militari':33 'portabl':1 'posit':45 'purpos':29,61 'receiv':6 'safeti':28 'surveil':4,64 'traffic':25 'transceiv':9 'transmitt':7 'use':11 'vis':54,56 'vis-a-vi':53

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