That's right, only for the resonant (band) frequency. However it also
depends on the installation conditions, particularly the height above
ground. In the real world there are many variables that determine how a
particular antenna performs. Here's a webpage with more info' about
dipole impedance.

http://216.239.51.104/search?q=cache...hl=en&ie=UTF-8


RHF wrote:

Starman,

This is only true for the specific frequency (band) that the Dipole is 'cut' to.
- - - Or Am I wrong on that point too?

iane ~ RHF
I Ain't No Elmer !
.
.
= = = starman
= = = wrote in message ...
Michalkun wrote:

Is it true that if you feed a dipole in the middle you don't need a balun?

Yes, providing the dipole is a half wavelength (not folded) type and
your receiver will accept a 50-ohm antenna feed line (coax) input.


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