Tag Archives: fog signals

A New Use for Marine Foghorns

Marine foghorns, or fog signals, are typically used as navigational aids for harbors, ships and offshore rigs. The sound emitted from a fog signal can reach upwards of 140 decibels, capable of reaching distant locations at sea. These foghorns provide additional safety to boaters by alerting them of the presence of potential hazards and other ships. But while offshore safety is their primary use, one mainland university has found a new function for foghorns.

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