[TowerTalk] LPDA optimal height

[jimlux]

On 2/14/17 10:41 AM, Ed Sawyer wrote:
> There is no one perfect height for the "South facing yagi" for DX
> Contesting.
>
>
>
> Is it a Carib antenna, a zone 7 antenna, a PY/LU/CE antenna?  Those are
> different heights for optimum angle for each band.  One beam at one height
> for 3 bands - whether a tribander or an LPDA - is always going to be a
> compromise.  Pick which thing is the most important on the most important
> band and place it there, the rest will be what they are.
>

Pretty soon you're at the W6AM rhombic farm approach, with a big 
selector switch to distinguish between Haiti and Dominican Republic, and 
so forth

At work today, we were discussing automating the height changes of an 
array of telescoping towers (with LPDAs) for this kind of reason.