TopBand: Radials

[T A RUSSELL]

Hi Matt -

Studies of field intensity vs. number and length of radials
have been published (IRE  June 1937).  Basically, 16 ground
radials is kind of a minimum for effective radiation.  Going
to 32 will gain you about 3/4 dB,  64 will gain another 3/4 dB,
which is a useful point of diminishing returns for amateurs,
and commercial stations go to 120 to get the last 1/2 dB or less.

73 / GL,  Tom  N4KG



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