Any center fed straight wire is a dipole, regardless of how it's length
compares the the wavelength you are using it on. If I build a dipole to
be a half wavelength on 7 MHz, and then use it on 10.1 MHz it is still a
dipole, just not a half wave dipole.
I find it interesting to examine the dipole antenna. By definition it
is a wire length being equal to 1/2 the wavelength of the frequency.
The name comes from two terms "DI" meaning two and "POLE" meaning
electrical terminal having two distinct regions of electrical polarity.
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