Topband: Changing Beverage impedance in cold WX

[Mike Waters]

Exactly how does this affect your F/B ratio? Is that in your video?

73 Mike
W0BTU

On Thu, Jan 16, 2020, 12:47 PM VE6WZ_Steve <ve6wz at shaw.ca> wrote:

> Over the years I have noticed my Beverage feed impedance will change
> during the winter.
> ...
> To test my theory, I add some radials to both the feed and termination and
> rescan the Beverage.
> Join me on the adventure to see how it worked out in this video as I brave
> the -38 C winter cold.  I also show some calculations of the effect of cold
> weather on Beverage wire conductivity and the termination resistor.  This
> is perhaps the most interesting, because the term resistors I use are
> ceramic units which have a significant negative temperature coefficient.  I
> experiment to confirm the changes in resistance with temperature.
>
> YouTube vid here: https://youtu.be/0XevB7wLInE
>