Why is the invisible part of this radio tower so important?

Huge thanks to Kevin Kidd for coming to the tower site and talking to us!

You can find out more about his work here: http://www.amgroundsystems.com

Support me on Patreon:   / geerlingguy  
Sponsor me on GitHub: https://github.com/sponsors/geerlingguy
Merch: https://www.redshirtjeff.com
Main Channel:    / @jeffgeerling  
3rd Channel:    / @level2jeff  

Contents:

00:00 - The Ground Whisperer
00:45 - Exploring the base of an AM tower
05:26 - The most important part of a grounding system
07:04 - How many ground rods do you need?
08:42 - Why so many radials?
11:11 - What causes the most damage to grounding systems?
11:59 - Does depth matter? What about hot dog VSWR?
13:37 - How do you test a grounding system?
17:19 - Guy wire effect on tower performance
19:36 - Is it safe to live near an AM tower?
20:40 - How do you learn cadweld and soldering technique?