Perhaps a case of "need" vs. "want." If you want zero db power loss vs. perfect ground, then the far-right column in that chart applies -- which is pretty close to LaPort's finding (.4 vs. .5 wavelength).
73/Jon AA1K On 5/3/2012 10:30 PM, Mike Waters wrote: > You don't need 120 radials. The optimum radial length is shown on the chart > at > http://www.w0btu.com/Optimum_number_of_ground_radials_vs_radial_length.html > > 73, Mike > www.w0btu.com > > >> "Radio Antenna Engneerng" by EDMOUND LAPORT say's a system off 120 radial >> wires spaced 3 degrees "AND HAVNG A LENGTH OF ABOUT ONE-HALF WAVELENGTH", >> approaches the conditon of a perfectly ... >> > _______________________________________________ > UR RST IS ... ... ..9 QSB QSB - hw? BK > _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
