[Antennas] Coaxial Sleeve antenna ?!

Ronald KA4INM Youvan [email protected]
Mon, 04 Mar 2002 03:50:07 -0500


> I'm about to start construction of a sleeve antenna.
> If 50 ohm coaxial is used, would this make the antenna 

> 50 ohms . . . 


   No, this is a dipole, feed in the center `through one element'.
I have not been able to make one of these that operates on 2 meters
as it should, a ferrite bead on the coax (or several) at 1/4" from
the feed point might make the radiating end (high impedance) resonant.
   As with all center fed dipoles it is a 75 Ohm antenna that needs
to be fed with 75 ohm cable.

       73 (= Best Regards) de: Ron [email protected]
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