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Operation
Chapter 3
AG-STAR User Manual Rev 2
22
Figure 8: Basic Differential Setup
Reference
Description
1
AG-STAR receiver
2
User-supplied 5A fast blow fuse
3
User-supplied power supply, for example a battery
4
User-supplied device to COM1
5
User-supplied radio device to COM2
6
User-supplied computer, for setting up and monitoring, to COM1
7
User-supplied cable or NovAtel 01018256 Communication/Power cable
System biases can introduce errors, refer to An Introduction to GNSS found on our web site at
for more information. In most cases, a data link between the base
station and rover station (two NovAtel receivers) is needed in order to receive corrections. SBAS corrections
can be accomplished with one receiver and are exceptions to the base/rover concept. Generally a link
capable of data throughput at a rate of 9600 bits per second, and less than 4.0 s latency, is recommended.
can be accomplished with one receiver and are exceptions to the base/rover concept. Generally a link
capable of data throughput at a rate of 9600 bits per second, and less than 4.0 s latency, is recommended.
Once the base and rover are set up, configure them as shown in the configuration examples that follow in
Section 3.4.1, Base Station Configuration on page 23 and Section 3.4.2, Rover Station Configuration on
page 24.
Section 3.4.1, Base Station Configuration on page 23 and Section 3.4.2, Rover Station Configuration on
page 24.
The configuration shown in Figure 8, Basic Differential Setup is valid for AG-STAR receivers
without optional Bluetooth.
For an AG-STAR receiver with Bluetooth, one of the serial devices connects through COM1 and
the other devices must connect through Bluetooth.
without optional Bluetooth.
For an AG-STAR receiver with Bluetooth, one of the serial devices connects through COM1 and
the other devices must connect through Bluetooth.
Rover
Base
1
2
3
4
5
6
1
2
3
5
COM1
COM2
COM1
COM2
7
7