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![]() "Dave Platt" wrote ... In article , Jeff Liebermann wrote: I forgot to connect my comments to the original question. Sorry(tm). You're correct. There's no way to get a good isotropic radiator pattern with a simple vertical radiator. However, you can still get fairly close if you make the antenna sufficiently small relative to the operating wavelength. As the physical antenna size approaches a point radiator, the pattern starts to look rather spherical. The difference in pattern between a half-wavelength dipole, and an infinitesimally-short dipole (i.e. one whose length approaches a point source) is actually quite small. A dipole is always the two monopoles and never a point source. Only monopole is a point source. S* |
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