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2. Buoy - Wikipedia

   en.wikipedia.org/wiki/Buoy

   Temporary markers in Danish seine fishing to mark net anchor positions; Temporary markers set by danlayers during minesweeping operations to indicate the boundaries of swept paths, swept areas, known hazards, and other locations or reference points; Temporary markers for rescue operations; Spar buoys are tall, thin buoys that float upright, e.g ...

3. Radio beacon - Wikipedia

   en.wikipedia.org/wiki/Radio_beacon

   Driftnet radio buoys are extensively used by fishing boats operating in open seas and oceans. [6] They are useful for collecting long fishing lines or fishing nets, with the assistance of a radio direction finder. According to product information released by manufacturer Kato Electronics Co, Ltd., these buoys transmit on 1600–2850 kHz with a ...

4. Surface marker buoy - Wikipedia

   en.wikipedia.org/wiki/Surface_marker_buoy

   A delayed surface marker buoy (DSMB), decompression buoy, or deco buoy is an inflatable buoy which can be deployed while the diver is submerged and generally only towards the end of the dive. The buoy marks the diver's position underwater so the dive boat crew can locate the diver even though the diver may have drifted some distance from the ...

5. Glossary of fishery terms - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_fishery_terms

   Buoys can be used as temporary markers, called dans, during Danish seine fishing to mark the anchor position of a net, or when fishing with lobster pots to mark the position of the pots. Bycatch – bycatch is the harvest of marine life and seabirds during fishing operations when other fish were the target.

6. How do boaters avoid hazards? What to know about markers ...

   www.aol.com/boaters-avoid-hazards-know-markers...

   Just like traffic lights and signs help drivers on the road, boaters have buoys and signs to guide them to and from shore safely.

7. Navigational aid - Wikipedia

   en.wikipedia.org/wiki/Navigational_aid

   A navigational aid (NAVAID), also known as aid to navigation (ATON), is any sort of signal, markers or guidance equipment which aids the traveler in navigation, usually nautical or aviation travel. Common types of such aids include lighthouses, buoys, fog signals, and day beacons.