[600MRG] New Hi-Res Map of Effective Ground Conductivity in the USA

[Joe]

Nice MAP!

Now I actually forgot what the bold RED numbers actually mean.

Joe WB9SBD
Sig
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com
On 2/5/2016 8:14 AM, sbjohnston at aol.com wrote:
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> New Hi-Res Map of Effective Ground Conductivity in the United States
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> https://www.fcc.gov/media/radio/m3-ground-conductivity-map
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> Steve WD8DAS / WH2XHY
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> sbjohnston at aol.com
> http://www.wd8das.net/
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