Nope. With 100 Ohms per radial and 60 of them all the same and in parallel with each other, one gets 1.66666 Ohms; close enough.
73, Charles, W2SH > From: [email protected] > To: [email protected] > Date: Mon, 30 Jan 2012 12:15:10 -0600 > Subject: Re: Topband: T vert feed > > 'Twas stated: > > "Feedline coax shield 1.7 ohms. > > The single 1.7 ohms lowers the voltage and even in this case of what > appears to be an excellent ground radials system, the coax will carry HALF > the counterpoise current and waste most of that power, besides being a > link...(etc.)" > > > Whaaat??? > > Where did that 1.7 ohm figure come from....space? > > The size (gauge) of radial wires has very little effect on their > effectiveness as radials, according everything I've ever read. Also, > effective resistance to ground, due to such intimate coupling to earth when > radials are at the surface or buried, evens out their equivalent resistances > and reactances, rendering them "un-tuned." Not comparable to elevated > radials at all. Voltage and current nodes on surface or buried radials are > smoothed and averaged out rendering them un-problematic. > > If no balun, including a choke-type, is used at the feedpoint of a vertical > then the coax braid simply counts as another radial, averaged in with the > many. Ferrites at the shack end can attenuate any residual RF on the braid > if it is troublesome there (unlikely). > > 73, Roy K6XK Iowa > > > > > > > > > > _______________________________________________ > UR RST IS ... ... ..9 QSB QSB - hw? BK _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
