Thanks for the fast reply, Bushman.
I have imported some kit from the US before and the import duty and time taken is criminal.
Since posting, I have been studying all the posts which are very similar to mine, asking the same basic question.
Wanted:-
Basic weather parameters, reliably,with the option of exporting the data to Wunderground (or similar) without local computers (in my case Mac) being in circuit.
Bushman, much appreciated. I'll look at the one you mention.