On Wed, 12 Aug 2015 08:42:46 -0700 (PDT)
Desperate Dan wrote:

If my memory serves me correctly, CBRs in the early 70s only recorded
up to 4000ft.

That's true, we had one at Wyton for evaluating when I joined in '62. At
nighttime, however, we could use Alconbury's searchlight to get the
height of cirrus!

--
Graham P Davis, Bracknell, Berks. [Retd meteorologist/programmer]
http://www.scarlet-jade.com/
I wear the cheese. It does not wear me.
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