THE OFFICIAL MAGAZINE OF DIVERS ALERT NETWORK

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Diver Recall Systems

By Kyle Kray

Q3 2025

Whether for recreation, research, or commercial work, diving puts humans in a fundamentally hazardous environment. Visibility, pressure effects, and sound distortion limit communication between divers and surface teams, making real-time coordination difficult. Response time is critical in emergencies, and delays can be dangerous.

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Exercise and Decompression Risk

By Neal W. Pollock, PhD

Q3 2025

Being physically fit can be important, and sometimes crucial, for dive safety. Physical fitness plays a role in both regular dive activities and emergent events. A quick and effective response to sudden demands can often quickly and easily resolve a situation, while an insufficient response can prolong or exacerbate it.

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