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A Morse code light is light in which appearances of light of two clearly different durations (dots and dashes) are grouped to represent a character or characters in the Morse Code. For example, "Mo(A)" is a light in which in each period light is shown for a short period (dot) followed by a long period (dash), the Morse Code for "A".
Watercraft navigation lights must permit other vessels to determine the type and relative angle of a vessel, and thus decide if there is a danger of collision. In general, sailing vessels are required to carry a green light that shines from dead ahead to 2 points (22 + 1 ⁄ 2 °) abaft [note 1] the beam on the starboard side (the right side from the perspective of someone on board facing ...
The boat displaces 365 lb (166 kg). [1] [3] The boat has a draft of 3.83 ft (1.17 m) with the centreboard extended and 0.67 ft (0.20 m) with it retracted, allowing beaching or ground transportation on a trailer. [1] A motor bracket is a factory option, to allow the boat to be fitted with a small outboard motor for docking and manoeuvring. [1] [3]
A biased switch contains a mechanism that springs it into another position when released by an operator. The momentary push-button switch is a type of biased switch. The most common type is a "push-to-make" (or normally-open or NO) switch, which makes contact when the button is pressed and breaks when the button is released.
The concept is illustrated in Figure 3 (to be uploaded). [3] A diffraction grating breaks the incoming light into a spectrum. A software controlled binary liquid crystal stack, individually tilts each optical channel and a second grating (or a second pass of the first grating) is used to spectrally recombine the beams.
The boat has a draft of 5.33 ft (1.62 m) with the fiberglass centerboard extended and 1.93 ft (0.59 m) with it retracted, allowing beaching or ground transportation on a trailer. [ 1 ] The boat is normally fitted with a small 3 to 6 hp (2 to 4 kW) outboard motor for docking and maneuvering.
The PEL sector light produces 3.5 million candela and is visible for 10 nautical miles (18.5 km) by day. The beam with 3 colors is narrow at 1.6°. [ 5 ] This was required because the PEL sector light was built over 7NM (13 km) from the atoll entrance and it had to illuminate a safe entrance which is only 228 meters wide.
The boat is open and has no foredeck, although it has two stowage compartments. It displaces 390 lb (177 kg) and is equipped with 10 cu ft (0.28 m 3) of foam for flotation. [1] [3] The boat has a draft of 3.67 ft (1.12 m) with the centerboard extended and 8 in (20 cm) with it retracted, allowing beaching or ground transportation on a trailer. [1]