[TowerTalk] ground rod depth problem due to rocky soil -- solutions?

[Mike Reublin]

On Nov 12, 2012, at 7:58 PM, Jim Lux <jimlux at earthlink.net> wrote:
> It's all about contact area... Ufer grounds work well because a 20 foot wire in a chunk of concrete has a huge contact area (a footing 20 feet long and 1x1 foot is 80 square feet, right?)

Wouldn't that be 20 cubic feet, or one long surface would be 20 square feet?

73, Mike NF4L