Topband: Soil conductivity maps

[Lee STRAHAN]

Hello Jeff,
    All those things you mention are great but times they are changing. You would be well advised if you find an interesting place to do a noise survey on and near the property. And consider what are the chances of urban sprawl to bring with it the latest scourge of a plethora of noise emitting switching devices. I am fighting one as we speak from a lumber mill making dimensional products that has moved in just across the street from me. Their fancy energy saving VFD drives has raised my noise floor over 20 dB on some areas of my property.
    So consider this to be one of the biggest items on the checklist for a new site.
   Good Luck,
Lee   K7TJR   OR

-----Original Message-----
From: Topband [mailto:topband-bounces at contesting.com] On Behalf Of Jeff Kinzli N6GQ
Sent: Sunday, April 01, 2018 7:46 AM
To: top Band <topband at contesting.com>
Subject: Topband: Soil conductivity maps

So I'm looking to purchase a new QTH. I'm not particular about location, but would like to optimize for soil conductivity and any other parameters that would increase near and far field propagation and minimize ground losses. I've seen the US Gov M3 maps, but they are very coarse. They also only define conductivity, and I'm wondering what other quantities would be useful to look at.

I know that a salt water takeoff or marsh is awesome, but that's not gonna happen in this iteration - looking very much central USA (W5, TX), inland.

So, any more fine-grained maps available? Or other quantities that would be worth looking at? Books that discuss this sort of thing?
Mostly for either pinpointing optimal areas, or making sure that a good looking property is at least half-way decent...

Thanks for any guidance,

de N6GQ
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