CHAPTER 5. CONFIGURING ALTUS NR3 AS A BASE STATION
5 Configuring Altus NR3 as a Base station
Before starting ...
The Altus NR3 can be set up as a Base station receiver.
Thanks to its point-to-point
connectivity features, the Altus NR3 Base station makes a great companion to any Altus NR3
Rover unit. Two Altus NR3 units (Base station and rover) can be connected point-to-point,
without any intermediate device, for the transfer of differential corrections.
RTK Differential corrections can be output over any of the following communication
channels:
•
Data Call (also referred to as CSD, Circuit Switched Data)
•
Mobile internet
•
WiFi
•
NTRIP
•
Serial COM1 port (e.g. to an external UHF radio)
•
Bluetooth
Note that the Data Call feature only works when using batteries and will not work when the
Altus NR3 is connected to an external power supply. A summary of the pros and cons of the
fi
rst three connection methods can be found in Appendix C.
5.1 Setting the base station position
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 NR3 should be static. The
‘
Static
’
position
mode should be selected in the
‘
GNSS
’
tab as shown in Figure 5-1.
Figure 5-1:
Setting the Altus NR3 base station position to static
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