Unverified50% confidenceTradeoffExact time
全尺寸外置天线的 ADS-B 接收站可以覆盖 200-400 公里范围内的飞机，微型化设备若采用内置天线有效接收距离可能大幅缩减
1
Sources
50%
Confidence
Long-term
Relevance
8/28/2026
First Seen
Sources
Related Entities
Related Claims
Partially VerifiedADS-B is the standard broadcast positioning protocol in modern aviation, with aircraft actively broadcasting data frames containing GPS coordinates, altitude, and speed to the outside approximately every 0.5 seconds.73% similarUnverifiedADS-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.69% similarUnverified里根机场33号跑道进近程序中，客机在300-500英尺高度通过交叉点时直升机应保持在200英尺以下，垂直间隔可能仅有100-300英尺，远低于通常航路飞行1000英尺的标准垂直间隔66% similar
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