Dear Mal,

> The Luxemburg effect could be in your own back yard, the Rusty Nail
> syndrome, rectification taking place, dissimilar metals with antennas and
> plugs/sockets etc
> Using small active antennas in strong signal environments could also be
> the cause that you and others are getting.
> I am not convinced by those that think it is the Luxemburg effect
> ...

Small active antennas do not suffer from Rusty Nails. 
They have no nails. Small active antennas usually have
operational amplifiers offering a dynamic range of
some Volts feeding modern switched mixers having
IP3s around >20 dB.

Those effects are a well known problem using big longwave 
antennas spanned between huge metallic towers.

Laura, 
(SWL)

Geschreibt von meine Smallphone.