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United States Department of Agriculture

Agricultural Research Service


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A GPS antenna and a yield monitor allow an onboard computer to plot corn yields as the combine moves along.

Image Number K4912-16

A Global Positioning System antenna (top of operator's cab) and a yield monitor allow an onboard computer to plot corn yields about every 6 feet as the combine moves along. Data stored in the computer can later be used to produce color-coded yield maps for each field.

Photo by Bruce Fritz



640 pixels wide: (k4912-16.jpg)




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Last Modified: 10/28/2016
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