Key:seamark:light:1:character
seamark:light:1:character |
Description |
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Rhythm of light |
Group: Marine navigation |
Used on these elements |
Useful combination |
Status: de facto |
Tools for this tag |
|
Use another number for each sector. If there is only one sector, the number is 1.
For example:
Rhythm of light
Values
Character (LITCHR) | seamark:light:character | Pattern | Description |
---|---|---|---|
Fixed | F | A signal light that shows continuously, in any given direction, with constant luminous intensity and colour. | |
Flashing | Fl | A rhythmic light in which the total duration of light in a period is clearly shorter than the total duration of darkness and all the appearances of light are of equal duration. | |
Long-flashing | LFl | A flashing light in which a single flash of not less than two seconds duration is regularly repeated. | |
Quick-flashing | Q | A light exhibiting without interruption very rapid regular alternations of light and darkness. | |
Very-quick-flashing | VQ | A flashing light in which flashes are repeated at a rate of not less than 80 flashes per minute but less than 160 flashes per minute. | |
Ultra-quick-flashing | UQ | A flashing light in which flashes are repeated at a rate of not less than 160 flashes per minute. | |
Isophased | Iso | A light with all durations of light and darkness equal. | |
Occulting | Oc | A rhythmic light in which the total duration of light in a period is clearly longer than the total duration of darkness and all the eclipses are of equal duration. | |
Interrupted quick-flashing | IQ | A quick light in which the sequence of flashes is interrupted by regularly repeated eclipses of constant and long duration. | |
Interrupted very quick flashing | IVQ | A light in which the very rapid alterations of light and darkness are interrupted at regular intervals by eclipses of long duration. | |
Interrupted ultra quick flashing | IUQ | A light in which the ultra quick flashes (160 or more per minute) are interrupted at regular intervals by eclipses of long duration. | |
Morse | Mo | A rhythmic light in which appearances of light of two clearly different durations are grouped to represent a character or characters in the Morse code. | |
Fixed/flash | FFl | ||
Flash/long-flash | FlLFl | ||
Occulting/flash | OcFl | ||
Fixed/long-flash | FLFl | ||
Occulting alternating | Al.Oc | ||
Long-flash alternating | Al.LFl | ||
Flash alternating | Al.Fl | ||
Group alternating | Al.Gr | ||
Quick-flash plus long-flash | Q+LFl | ||
Very-quick-flash plus long-flash | VQ+LFl | ||
Ultra-quick-flash plus long-flash | UQ+LFl | ||
Alternating | Al | ||
Fixed and alternating flashing | Al.FFl |
See also
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