On Mon, 21 Nov 2011 22:44:55 -0500 Eric Frampton <eric at ericframpton.com> wrote: > Thoughts? That's not really a lot of change of voltage. I haven't got the circuit for the Jupiter 6, but if you can post a scan of the relevant part I'll take a look. -- Gordon JC Pearce MM0YEQ <gordonjcp at gjcp.net>