[TowerTalk] optimum height

[Bill Coleman]

On 7/28/01 9:15 AM, alsopb at alsopb@gloryroad.net wrote:

>I queries WX0B about the rule of thumb regarding "optimum" stacking
>height.
>
>Here was his response:
>***********************************
>For HF antennas over ground, W2PV did the math correctly and the
>formula is SQ rt of boom length is the widest stacking distance you
>should use on a yagi. The results are in boom lengths just as you
>state.

I'm sorry, I hate to quibble with the experts, but this doesn't seem 
reasonable.

If I stack two A3S antennas, with a 14 foot boom, that's 3.7 feet? That 
seems unreasonably close.

Or did he mean 3.7*14 feet, which would be 52 feet?

So, 

widest = boom length * ( boom length ^ 0.5 ) 

?

Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr@arrl.net
Quote: "Not within a thousand years will man ever fly!"
            -- Wilbur Wright, 1901


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