A rover receiver in RTK mode calculates a position relative to the Base station receiver. For this reason, it is always recommended to use a properly surveyed position for the Base station receiver.
Set the Base station position as static
To work as a base station, the position of the Altus NR2 should be static. The ‘Satic’ position mode should be selected in the ‘GNSS’ tab as shown in Figure below.
 Base station position |
