[Tagging] Tagging Digest, Vol 143, Issue 12, water heigth values

[Mateusz Konieczny]

Note that it refers not to manual measuring of height but to mapping
signage.

See say 
https://forum.mazury.info.pl/download.php?id=8366&sid=370c6708968b028624b55a39760a0a4a
for an actual example (from 
https://forum.mazury.info.pl/viewtopic.php?p=105915&sid=ba42b95121a1d6f9c9a98f6e8094d3a2
thread)

In my limited experience they appear to be expecting a normal situation, someone on a boat in
other situation is likely expected to be an expert able to apply a correction to a signed value.

Aug 8, 2021, 23:21 by st.niklaas at live.nl:

> Hi Mateusz, 
>
> It is ea bad idea to make such values. Since there is not a single water level straight. Just look at the floods of this year or any canal boxed in by locks. If the lock opens you loose water out the canal and it is flowing downstreams. It is the same with any river as well. Every bridge should or has a water level measurement fixed in the vincinity of the bridge and be visible for all captians. Just to be able to see if the vessel could pass the bridge or any obstacle safely.
>
> Greetz
>

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