[Milsurplus] is that an oscillator I hear whining?!

[J. Forster]

Cletus W Whitaker wrote:

> de WB2CPN South Central Pennsylvania   2002.12.03
>
> Wasn't radiation from the local oscillator the reason the Navy went for TRF
> receivers?  Also, in the 50's there was
> some effort to develop a method of crusing down the street and learning which
> TV channel people were watching.
>             73  Clete

I believe the Brits used vans equipped with detectors to look for TVs and
possibly radios that had not paid the license fees.
-John