Many thanks for your comments, Jim, and for the detailed background
explanation. I just felt we should be aware of possible potential
problems. There could be many AM radios (or wirelesses!) still around
using old technology.

73 de David G4DMP

In a recent message, James Moritz <[email protected]> writes
>Having poked around inside quite a few radios over the years, I think
>465/470kHz IFs were common in the days of discrete transistors and
>tuned IF transformers, but are mostly ancient history now.
-- 
 + - - - - - - - - - - - - - - - - +
 | David M Pratt, Kippax, Leeds.   |
 | Website: http://www.g4dmp.co.uk |
 + - - - - - - - - - - - - - - - - +