Summary:

The paper consists of several parts. In the first part the technical and legal
aspects of the measurement plot in the Single Area Payment Scheme (SJPO) ware
described. Measurement methods of areas where specified which are used in order
to control compliance declaration of the farmer with the facts. Then compared the
Garmin GPS receivers manually according to the criteria of suitability in the work
SJPO. The most important of them is: function measurement of area, trace consisting of ten thousand points and correction WASS/EGNOS. The analysis of statistical
plot measured 240 GPSmap76 receiver was a part of summary and conclusion.
Carried out measurements confirmed a thesis: an increase in the number of
measurements improves the accuracy of parcel areas.