[TowerTalk] 80 Meter yagi question

Jim Brown jim at audiosystemsgroup.com
Mon Oct 9 13:17:37 EDT 2017


On 10/8/2017 12:18 PM, john nistico wrote:
> I am thinking of adding a rotatable 80 meter yagi on one tower. Any suggestions?

Hi John,

As the first part of your thinking about this, I strongly suggest that 
you study my applications note on this topic. The most important 
conclusion is that height of a horizontally polarized antenna is VERY 
important on 80M. Figuring out a way to get a simple dipole (or pair of 
dipoles) HIGHER is about as effective as a two-element Yagi. I've had 
great success with two dipoles up 130 ft or so at right angles to each 
other. The same physics applies whether the antennas are full size or 
loaded.

http://k9yc.com/AntennaPlanning.pdf

73, Jim K9YC



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