Key:seamark:fog_signal:status
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 seamark:fog_signal:status
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| Group: marine navigation |
| Used on these elements |
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| Status: undefined |
| Tools for this tag |
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Seamark tagging
Fog signals
The tags defined on this page will render in various nautical charts. This page defines tags for the attributes of fog signals.
| Type | S100 code | seamark:type | Definition | Rendering |
|---|---|---|---|---|
| Fog signal | FOGSIG | fog_signal | A warning signal transmitted by a vessel, or aid to navigation, during periods of low visibility. Also, the device producing such a signal. | 
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This page defines values for the "seamark:fog_signal:category" tags and other attributes applied to fog signals.
Categories
| Category (CATFOG) | seamark:fog_signal:category | Definition |
|---|---|---|
| Explosive | explosive | A signal produced by the firing of explosive charges. |
| Diaphone | diaphone | A diaphone uses compressed air and generally emits a powerful low-pitched sound, which often concludes with a brief sound of suddenly lowered pitch, termed the 'grunt'. |
| Siren | siren | A siren uses compressed air and exists in a variety of types which differ considerably in their sound and power. |
| Nautophone | nautophone | A horn having a diaphragm oscillated by electricity |
| Reed | reed | A reed uses compressed air and emits a weak, high pitched sound. |
| Tyfon | tyfon | A diaphragm horn which operates under the influence of compressed air or steam |
| Bell | bell | A ringing sound with a short range. |
| Whistle | whistle | A distinctive sound made by a jet of air passing through an orifice. |
| Gong | gong | A sound produced by vibration of a disc when struck. |
| Horn | horn | A horn uses compressed air or electricity to vibrate a diaphragm and exists in a variety of types which differ greatly in their sound and power. The classification 'horn' is the generic term for fog signals nautophone, reed and tyfon. |
Signal generation
| Signal generation (SIGGEN) | seamark:fog_signal:generation | Definition |
|---|---|---|
| Automatically | automatic | Signal generation is initiated by a self regulating mechanism such as a timer or light sensor. |
| By wave action | wave | The signal is generated by the motion of the sea surface such as a bell in a buoy. |
| By hand | hand | The signal is generated by a manually operated mechanism such as a hand cranked siren. |
| By wind | wind | The signal is generated by the motion of air such as a wind driven whistle. |
Other attributes
| Attribute | seamark:fog_signal:<attribute> | Value type | Definition |
|---|---|---|---|
| Value of maximum range (VALMXR) | range | Decimal | The maximum range at which the signal can be heard in nautical miles. |
| Signal frequency (SIGFRQ) | frequency | Integer | The frequency of the sound signal, in hertz. |
| Signal group (SIGGRP) | group | Text | The number of consecutive sounds, or the morse character(s) within one period of full sequence. |
| Signal period (SIGPER) | period | Decimal | Time of the time occupied by an entire cycle of intervals of sound and silence. |
| Signal sequence (SIGSEQ) | sequence | Text | The sequence of times occupied by intervals of sound and silence. |
References
OSM seamark resources
- Seamark tag values(en)
- Seamark objects(en)
- Seamark attributes(en)
- Categories of objects(en)
- INT-1 cross reference(en)
- Inland waterway notice marks (CEVNI, Europe)(en)
- Inland waterway lateral marks (CEVNI, Europe)(en)
- Inland waterway notice marks (BNIWR, Brazil)(en)
- Inland waterway notice marks (PPWBC, Brazil/Paraguay)(en)
- Inland waterway notice marks (RIWR, Russia)(en)
JOSM presets & styles
External sources
- S-101 ENC/iENC registry (iho.int), the ENC Data Classification and Encoding Guide (DCEG) can be downloaded as zipped PDF, online access to symbols in Portrayal Register
- International nautical chart symbol legend (Chart INT-1, NOAA)
- Encoding Guide for Inland ENCs (openecdis.org, 2018), an international standard of the Inland ENC Harmonization Group is currently in development (IEHG Publication S-401, 2019)
- European Code for Inland Waterways (CEVNI), (UNECE, Fifth revised version 2015)
- European Code for Signs and Signals on Inland Waterways (SIGNI), (UNECE Resolution N0. 90, 2018)
- U.S. Aids to Navigation System – also details the Western Waters Marking System, Intracoastal Waterway system, and Uniform State Waterway Marking System