Unverified90% confidenceTradeoffTime unknown
Class B+ (SOTDMA)相比普通Class B (CSTDMA)发射频率更高、位置报告间隔更短，在繁忙水域被大船看到的概率更高，但仍不等同于Class A的报告率和优先级
1
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90%
Confidence
Long-term
Relevance
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First Seen
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