wyc <[email protected]> wrote: > I did some EZNEC modeling of a planned inverted-L, and came up > with some results that surprised me, ... > I then repeated the exercise with a folded-inverted-L (i.e., with twinlead). ... > What then surprised me was the feedpoint impedance when I switched to real > ground, and the same few radials. Instead of going to about 87 ohms (50 > ohms ideal antenna impedance plus 37 ohms of return path resistance), it > went to about 200 ohms.
Folding has nothing to do with either radiation resistance or ground losses. It is impedance-transforming device only. You've just performed 1:4 impedance transformation, nothing else. 73, Sinisa YT1NT, VE3EA _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
