[TowerTalk] W7PUA Tiny Ground Probe

[Jim Brown]

On 3/4/2026 11:58 AM, Brian Beezley wrote:
> That map is for the AM broadcast band. It is not valid at HF.

Of course. In addition to being ancient, it's rather course. But it does 
show trends that can help us think about the viability of vertical 
antennas, which are strongly dependent on soil quality, as opposed to 
horizontal antennas, which only care about mounting height.

73, Jim K(YC