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Why do you need a dive compass?

A dive compass is an essential navigation tool used by scuba divers to navigate underwater. It is designed to provide accurate directional information to divers, allowing them to maintain their intended course and navigate back to their starting point or specific underwater locations.
A dive compass typically consists of a magnetic needle or card housed in a waterproof casing. The needle is magnetized and aligns itself with the Earth´s magnetic field, indicating the north south direction. The housing often features a rotating bezel or a movable lubber line that divers can adjust to align with the desired direction.You can buy these hose mount compasses from these brands: Cressi, SEAC, Aqualung, Suunto, and Metalsub.

Reasons you need a dive compass

Navigation: The primary function of a dive compass is to provide directional information to divers. It helps them maintain their intended course and navigate underwater. Divers can use the compass to swim in a specific direction, follow a heading, or navigate to a particular underwater location.
Orientation: A dive compass assists divers in maintaining their orientation underwater. By knowing their heading, divers can avoid getting disoriented or lost in unfamiliar surroundings. It helps them establish a sense of direction and align their movements accordingly.
Return to the Starting Point: Divers often use the dive compass to navigate back to their starting point, such as a boat or entry/exit point. By recording the initial heading or landmark bearing, divers can reverse their course and follow the compass to return to their origin, ensuring a safe and efficient journey back.
Underwater Mapping: Dive compasses are also useful for underwater mapping and surveying. Divers can use the compass to swim along predetermined courses, measure distances, and record bearings to create underwater maps or mark significant points of interest.
Search and Recovery: In situations where divers are involved in search and recovery operations, a dive compass becomes crucial. It helps them navigate underwater grids or search patterns, ensuring systematic coverage of the area and enhancing the chances of locating objects or missing persons.

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