Topband: Open wire feeder

Donald Chester k4kyv at hotmail.com
Fri Aug 8 04:22:56 EDT 2003


>Any thoughts on a 600' or 700' run of open wire feeder.
>Anything special I need to be aware of?

The tuning adjustment at the matching device will be more cricical, since 
you will be running over a full wavelength of tuned feedline.  A given 
change in frequency will move the current /voltage points along the feedline 
a greater percentage of a wavelength than if the feedline were only a 
quarter wavelength or less.  You will not be able to QSY as far without 
retuning.

Don K4KYV

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