<div>What about the folks who make the ultrasonic water level meter?  Maybe they could sell you/ shed light on their low power transmitter?</div>
<div><a href="http://www.xpondr.com/041202/flood_advisor.html">http://www.xpondr.com/041202/flood_advisor.html</a></div>
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<div>Wes<br><br> </div><br>