iPhone app Lights at Sea

Lights at Sea is all about the lights serving as navigational aid at sea and their characteristics.
With Lights at Sea you can

TEACH and LEARN the international notation of light characteristics as used in charts and lists of lights,

VISUALIZE the light patterns for a given characteristic or DEMONSTRATE them to your students,

INTERNALIZE important characteristics (e.g.
the light patterns of cardinal marks),

and PREPARE YOURSELF for the lights of a specific sailing area.

FEATURES

Lights at Sea decodes characteristics entered conforming to the document Standardization of List of Lights and Fog Signals of the International Hydrographic Organization and displays a corresponding light pattern.
All characters defined by the standard are supported:

fixed

occulting

isophase

long-flashing

flashing

quick

very quick

ultra quick

interrupted quick, very quick, ultra quick

Morse code

Lights may

have a character combined with a fixed light,

have alternating colors,

and consist of concatenated characters.

Great for learners: Displays hints and error messages while you enter a characteristic.

The characteristic is translated into light signals and updated accordingly while it is being entered.

The parts of a characteristic will be colored according to their state while being entered (identified, incomplete, invalid).

Lights at Sea can also decode the (outdated) German notation of light characteristics.

Lights can be stored, deleted, and selected for reproduction.,

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