Quote:
Originally Posted by nodrogd
The BBC certainly used this method for a few years with TV, & it was used with the BBC Radio 1 & 3 Medium Wave transmitters until the frequencies were given up for commercial use.
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This video shows how the tone was generated
https://www.youtube.com/watch?v=8Kkmf8zHqnU[/quote]
---------- Post added at 14:47 ---------- Previous post was at 14:47 ----------
Quote:
Originally Posted by Chris
I hated it ... I used to take their advice as soon as it came on.  |
Me too, the kids were so annoying.