Don't tell me you've joined this bunch of pillocks too!
Nothing wrong with the receiver. Every modern receiver has leakage current. That's the reason that the manuals say connect all signal cables on every piece of equipment prior to switch on.
Our NG "genius" is getting a tingle because he has never pranced around damp grass in leather soled or verry soggy rubber soled shoes before.
Anyone familiar with dish alignment at ground level would be only too familiar with the effect. On a wooden ladder there would be no problem.
Most of the LNB is plastic anyway, so what on earth he's doing playing with the F connector, God knows.
Being a G4 he probably thinks it's a modern day "cats whisker" and is after the active plane for 2LO or something.
AB