"Huge" wrote in message
...
"Dave" writes:

"Rob Morley" wrote in message
et...
In article , "Kalico"
says...

Seems that using a detector van can pick out which channel is being
viewed. They can pick it up from the aerial on the roof, though I
cannot see it being so accurate as to be able to discern my aerial
from my neighbour's, three storeys up.

The signal is picked up from spurious emissions from the set and not from
the aerial.

I think you have very little idea how superhet mixers work.


Well..... how about telling us then, as you seem to be saying they you do
know how they work....