Key:seamark:light:1:group

seamark:light:1:group
Description
The number of flashes  
Group: Marine navigation
Used on these elements
Useful combination
Status: de facto

Use another number for each sector. If there is only one sector, the number is 1.

For example:

The number of flashes, the combination of flashes, or the Morse character(s) within one period of full sequence.

Example

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