[TowerTalk] More Radials = Higher SWR???

[Jan Erik Holm]

Or stub matching / SM2EKM

Den 2023-02-06 kl. 17:41, skrev john at kk9a.com:
> You can also match the impedance using a hairpin match.
> 
> John KK9A
> 
> 
> Michael Tope W4EF wrote:
> Dennis,
> 
> Once you figure out what your impedance converges to as you add more
> radials, you might be able to bring the VSWR back down to something more
> acceptable with an Unun transformer. I have a 55ft top-loaded vertical
> for 160 meters. The feedpoint impedance with a dense radial field is
> about 12 ohms (VSWR > 4:1).  With a 4:1 Unun transformer, the VSWR
> improves to 1.1:1 at around 1830 KHz. The 2:1 VSWR bandwidth is about
> ~50 KHz. I got the unit I have from Balun Designs.
> 
> 73, Mike W4EF...............
> 
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