[Milsurplus] Low power DFing

[J. Forster]

Ray Fantini wrote: ...

> Some yeas back did some work with a research company and dealt a little
> with the TV tracking thing and at that time we looked at the horizontal
> phase ( 15.75 Kc) and compared it to a off air reference. the horizontal
> stage of the television produces several watts of power and is poorly
> shelled in comparison to the LO.

The TV horizontal sweep is certainly a powerful radiator. If you use a 'scope as
an amplifier, it is quite possible to regenerate video from a probe placed
anywhere near an operating TV set. Just take the vertical output signal from the
'scope and run it into another video monitor and voila.

-John