[Platforms] Nulls

[Anne Che-Bohnenstengel]

It's OK for BSH.

Anne

Roy Lowry schrieb:
> Dear All,
> 
> Another issue waiting in the wings is the ship code for 'unknown' - we've actually got 68 different ones: one per country.  Embedding semantics in 'null metadata' is bad practice, but we do have one code (ZZ99) that means 'unknown' and nothing else.
> 
> SeaDataNet needs an 'unknown' ship code, so I've proposed 'ZZ99'.  If nobody has any objections I suggest we deprecate the other 67 mapped to 'ZZ99' in the same way as the 'multiple hull' issue has been handeled within RECO.
> 
> Cheers, Roy.
> 
> 
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-- 

MfG, Anne Che-Bohnenstengel
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  Bundesamt fuer Seeschifffahrt und Hydrographie  (BSH)
  Anne Che-Bohnenstengel (M4282)
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