Key:seamark:fog_signal:period
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 seamark:fog_signal:period
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| Description |
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Period of fog signal  
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| Group: marine navigation |
| Used on these elements |
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| Useful combination |
| Status: de facto |
| Tools for this tag |
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Signal period (SIGPER)
Time of the time occupied by an entire cycle of intervals of sound and silence.
A fog signal can be emitted from various objects:
- seamark:type=buoy_cardinal
- seamark:type=buoy_isolated_danger
- seamark:type=buoy_lateral
- seamark:type=buoy_safe_water
- seamark:type=light_major
- seamark:type=light_minor
- seamark:type=light_float
- seamark:type=light_vessel
Tags to use in combination
- seamark:fog_signal:group=*
- seamark:fog_signal:category=*
- seamark:fog_signal:sequence=*
- seamark:fog_signal:range=*
- seamark:fog_signal:frequency=*
- seamark:fog_signal:generation=*
Examples in OpenSeaMap
