"MCC" schreef in bericht
...
My thanks to all who replied.
4 mb separation now makes sense to me.
I must admit I've never seen a chart with other then 4 mb separation, or
if
I have, I've not noticed the difference.
--
MCC

October 1945 in the RAF Met. Trainingschool in Kilburn. Mr. Boyden told us
that isobars that should be drawn with an interval of 4 mbar. One of my
countrymen remarked that in The Netherlands the spacing was 5 mbar. 'O well,
you must have a very good Met' answered the (much esteemed) Mr. Boyden.

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