On Fri, Sep 27, 2013 at 08:57:50AM -0400, Robert Bruninga wrote: > Why don?t we see simple ? wave 75 ohm lines used as a first step in > matching a 140 Ohm Helix to 50 ohms? > > > > The ? wave line would give an easy 112 ohms and then it shouldn?t be that > hard to do a little additional construction matching to get to 140? > > > > (building a 2.4 GHz pop-out helix that compresses flat for launch) > >
Clare Fowler has a neat trick http://ww2.amsat.org/amsat/archive/amsat-bb/200001/msg00507.html > > Bob, WB4APR > _______________________________________________ > Sent via [email protected]. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb -- - [email protected] [email protected] http://www.db.net/~db _______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
