Unverified60% confidenceFactExact time
ADS-B completed mandatory rollout in major aviation markets such as the United States and Europe around 2020, with aircraft actively broadcasting GPS positioning, speed, altitude, and other information via onboard transponders on the 1090 MHz frequency band.
2
Sources
60%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
内容生产中的素材筛选：为何无关AI的新闻不宜强行成稿
hackernewshackernews7/5/2026
Related Claims
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