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In this application it is known as "gold line". [8] Marking (knots) Personal line may be marked at regular intervals by knots, allowing the diver to make an easy estimation of distance travelled by counting the knots as the line is deployed. 10 feet (3 m) is a popular spacing. [4]
A hybrid marker, also known as a referencing exit marker or REM, is a more recently developed line marker used as a directional marker by the diver placing it, and seen as a cookie by others. They are rectangular with slots like the arrow and cookie forms for attachment to a line, and have a relatively large blank space on one end to add ...
The line itself may be tied to the dive site or a thin "waster" line may attach the strong line to the dive site. If a waster is used, the boat at the surface can be used to break the waster at the end of diving before the shot is lifted. If the main line is attached to the dive site, the divers must untie it before ascending at the end of ...
Just like traffic lights and signs help drivers on the road, boaters have buoys and signs to guide them to and from shore safely.
Surface marker buoys are floated on the surface during a dive to mark the diver's position during drift dives, night dives, mist or disturbed sea conditions such as Beaufort force 2 or greater. The buoy lets the dive boat follow the divers and highlights their position to other boat traffic which makes it easier to stay clear. [5]
Line arrows are also used at a junction on the permanent line, and at a tie-off, so when the diver gets back to the tie-off, he or she can identify which way to turn. [49] [50] Non-directional and hybrid personal line markers are used to indicate the identity of a diver who has passed along the line and has not yet returned to that point.
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