Home › Forums › temp › Location/Effectiveness of RF Grounds Used with Monopoles › Useful Radiation from Sloping, Buried Radials
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Each conductor in a set of symmetrically arranged, buried radials around the base of a monopole collects and delivers an r-f current of about 1/n of the current flowing into the r-f ground terminal of the transmit system, where n = the number of buried radials.
That small current flowing along moderately sloping radials would produce very small vertical fields, but those fields would be attenuated by the depth of the earth they were buried in, in order to add in space to the vertical field radiated by the 3-m monopole. The great majority of such radiation would be horizontally polarized — which would not be useful for groundwave propagation in the MW band.
Many licensed, omnidirectional AM station antenna systems are installed on sloping terrain with their radials buried at a uniform depth, and I have never found any references showing that their radiation patterns had significant directional effects in the horizontal plane, because of that.
Maybe after its installation Carl can take some measurements of his system using his PL-310, and let us know what he finds.