Talk:Orfordness Beacon

A fact from Orfordness Beacon appeared on Wikipedia's Main Page in the Did you know column on 14 May 2012 (check views). The text of the entry was as follows:

Did you know... that the pioneering Orfordness Beacon radio navigation system (pictured) could be used with nothing more than a radio receiver and clock?

A record of the entry may be seen at Wikipedia:Recent additions/2012/May. The nomination discussion and review may be seen at Template:Did you know nominations/Orfordness Beacon.

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When did it stop?

I'm sorry in advance if I've somehow missed it, but as far as I can see there's nothing in this otherwise excellent article that says when transmissions ceased. Would be interested to know. -- A.S.