Svar till: SAQ reception system

[rich.g.williams]

So if I understand correctly the setup you are using (E-field probe) is receiving/measuring the potential difference between the 15 x 15cm copper PCB panel and Ground (Earth). The PCB panel being isolated/insulated a few metres above ground. The potential difference being created by the vertical E-field component from SAQ.

That sounds like a very good setup.

I’m thinking about where physically to put the FET and the wiring geometry of how to connect back to the Ground (Earth) reference potential. This arrangement seems to be something like a vertical rod antenna.