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1) Joachim Schmidt 
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Tuesday, 3 March 2020 19:21 Permalink

(1) Dear Sirs.

In order to research the history of the United Kingdom Warning and Monitoring Organisation (UKWMO), I am looking for photos or contemporary witnesses who can tell me something about the location of the siren shown on the attached picture on the premises of AAC Harrogate.
This siren was installed around 1970 as a test siren by the UK Home Office and served as a prototype for the UKWMO. The siren was tested extensively and loudly in Harrogate and certainly remained there for several years.

Does anyone remember the siren at Harrogate?

Yours sincerely,
Joachim Schmidt
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