Directed Electronics VS102 Guia do Utilizador descarregar pdf (Página 36)

V102 GPS Compass User Guide

Figure 3-1: Secondary antenna’s search volume

Note: The V102 moving base station algorithm only uses GPS to calculate

heading. Differential corrections are not used in this calculation and will not

affect heading accuracy.

Supplemental Sensors

The V102 has an integrated gyro and two tilt sensors. The gyro and tilt

sensors are enabled by default. Each supplemental sensor may be

individually enabled or disabled. Both supplemental sensors are mounted

on the printed circuit board inside the V102.

The sensors act to reduce the RTK search volume, which improves heading

startup and reacquisition times. This improves the reliability and accuracy of

selecting the correct heading solution by eliminating other possible,

erroneous solutions. Table 3-1 on page 32 provides a sensor operation

summary.

0.275 m

Primary antenna

baseline

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Directed Electronics VS102 Guia do Utilizador Página 36