Unverified50% confidenceFactExact time
UAT 能提供 FIS-B（飞行信息服务广播）和 TIS-B（交通信息服务广播），前者可向飞行员免费推送天气雷达图、气象报告，后者将雷达探测到的非 ADS-B 目标信息广播给附近飞机
1
Sources
50%
Confidence
Long-term
Relevance
8/28/2026
First Seen
Sources
Related Entities
Related Claims
Unverified978 MHz 的 UAT 主要在美国低空空域使用，服务于通用航空，FAA 允许在 18000 英尺以下且不进入 A 类空域的飞机选择 UAT 而非 1090ES 满足 ADS-B 装备要求71% similarPartially 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.70% similar
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