You have to start somewhere

[ppppenguin]

PerdioPal, you're not the only one who wants a PNP valve. Many years ago I started to write an April Fool spoof under the pen name "Anode Ray". Thus paying homage to the Cathode Ray columns in Wireless World. The physics was too much of a problem, even for a spoof. Both positrons and protons, the two most obvious particles, had too many problems to finesse my way round.