[TowerTalk] Antenna resonance question

[Jim Brown]

Matt,

I don't understand what you're asking. Stub matching is a good thing and 
I use it on several of my antennas, but I don't understand what you're 
trying to accomplish with the 50 ohm dummy load. The way to test your 
system is to connect the feedline to a transmitter (or test instrument) 
with the stub in place and measure the SWR in the shack.

73, Jim K9YC

n Tue,12/13/2016 12:05 AM, Matt wrote:
> Hi folks - need some help.    A shortened 160m vertical ground plane antenna
> is cut and tested for a resonant frequency of 2.24 Mhz.   The antenna is
> matched near perfectly to 50 + 0j ohms at 1.85 Mhz using a shorted coax stub
> of appropriate length placed at the appropriate location along the feedline.
> With a 50 ohm dummy load attached to the station end of the feed line, will
> the antenna be resonant (ring) when externally excited at 1.85 Mhz or 2.24
> Mhz?
>
>   
>
> Thanks in advance for any insight you can offer.
>
>   
>
> Matt
>
> KM5VI
>
>   
>
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