<div>It looks to me like a differential GPS reference station. It has a GPS receiver in a known location (which accounts for the size of the base) that calculates error terms for the received GPS signal. It then transmits those corrections via UHF to a moving receiver, which uses them to increase accuracy. Many modern farming techniques rely on accurate geolocation, so it's not surprising to see one at the edge of a corn field</div><br><br>Doug<br><div class="gmail_quote"><div dir="ltr">On Tue, Jul 21, 2015 at 8:56 PM Richard Barth <<a href="mailto:w3hwn@comcast.net" target="_blank">w3hwn@comcast.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>
<font size="3">Group,<br><br>
A copy of this was sent to me by K3LOW out in Texas. Does anybody
recognize <br>
the beast?<br><br>
Dick<br><br>
<br><br>
<blockquote type="cite">At 03:57 AM 7/21/2015 +0000, you
wrote:<br>
<blockquote type="cite">Hank,<br><br>
Any idea what this antenna might be used for?<br><br>
I have a similar-looking magnetic mount VHF/UHF antenna, with two coils,
that I had used with a scanner.<br><br>
The concrete base seems to me to be overkill. Â <br><br>
Reid<br><br>
---------- Forwarded message ---------<br>
From: Ralph McConahy <br>
Date: Mon, Jul 20, 2015 at 3:38 PM<br>
Subject: Corn Field Antenna<br>
To: Reid Drummond
<<a href="mailto:reid.drummond@gmail.com" target="_blank">reid.drummond@gmail.com</a>
><br><br>
<br>
A friend in Iowa posted this on Facebook and asked what it is.<br>
He speculated it had something to do with GPS, but it doesn't look that
to me.<br>
<img src="cid:7.1.0.9.0.20150721225349.01bacea0@comcast.net.1" width="528" height="960" alt="[]">
<br>
Content-Type: image/jpeg; name="Corn Field Antenna.jpg"<br>
Content-Disposition: inline; filename="Corn Field
Antenna.jpg"<br>
Content-ID: <50516fba76aa57207c245dd2a046ff85cd93e9a6@zimbra><br>
X-Attachment-Id: 50516fba76aa57207c245dd2a046ff85cd93e9a6@zimbra<br>
</blockquote><br>
</blockquote></font></div>
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