[TowerTalk] Wooden Poles;Vibrations, Vortex Shedding

[Bill Coleman]

On Oct 8, 2007, at 7:51 AM, Dennis OConnor wrote:

>   While I didn't let on, I was pleased to still be able to do  
> something I haven't done it 30 years...

I carry a small circular slide rule in my car. It's probably 25-30  
years old, a promotional item sent out by some hydraulics company.

I regularly find it useful. Just today I was calculating the length  
if some simple wire antennas while I was stopped at a stop light.

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