[hpsdr] Pennywhistle

[Chris Smith]

Hi

I've just completed Pennywhistle all bar tightening the Allen screws that hold the power FETs to the heat-sink.

What size is this key?

I've got a pretty large collection of keys both metric & Imperial but I don't have one to fit. It appears to be smaller than 1/8" and bigger than 3/32" so I'm guessing 7/64". In metric this is smaller than 3mm and bigger than 2.5mm though I'm surmising that as the kit originated in USA the key will be an Imperial size.

Cheers

Chris
G4NUX