Increasing numbers of farmers are turning to GPS systems to help improve the accuracy of their field operations and make life easier for the operator. But although prices are beginning to drop for ...
FIGURE 1. Low-cost single-frequency receivers collecting GPS+BDS data for single-baseline RTK, with patch antennas (left) and survey-grade antennas (right) on Jan. 4–6 and Jan. 6–8, 2016, respectively ...
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