ADS-B and its meaning pair

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Multiple Choice

ADS-B and its meaning pair

Explanation:
ADS-B is the four-word expansion Automatic Dependent Surveillance Broadcast. Automatic means the system reports position without manual input. Dependent means the position comes from the aircraft’s own navigation data (usually GNSS) rather than ground-based radar. Surveillance refers to the purpose—monitoring and tracking aircraft positions. Broadcast means that the data is transmitted to others, including ATC and nearby aircraft. These four concepts together describe how ADS-B works, which is why this expansion is the correct meaning. The other options alter one or more words and aren’t the standard terminology used for ADS-B.

ADS-B is the four-word expansion Automatic Dependent Surveillance Broadcast. Automatic means the system reports position without manual input. Dependent means the position comes from the aircraft’s own navigation data (usually GNSS) rather than ground-based radar. Surveillance refers to the purpose—monitoring and tracking aircraft positions. Broadcast means that the data is transmitted to others, including ATC and nearby aircraft. These four concepts together describe how ADS-B works, which is why this expansion is the correct meaning. The other options alter one or more words and aren’t the standard terminology used for ADS-B.

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