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18.7.2
Description
Field procedure step-
by-step
18.7.3
Description
Connections - All other connections
Field
Option
Automatic
SBAS
WAAS
EGNOS
MSAS
GAGAN
Next step
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Configuration with Digital Cellular Phone and Radio
An ideal real-time setup is to combine a radio and a digital cellular phone to
get the best of both technologies. The radio can be used where the radio sig-
nals can be received. The advantage is that the radio data transmission is free.
If the radio channel is broken, when the rover goes out of range or due to an
obstruction, change to the digital cellular phone to complete the measure-
ments. This switch allows maximum productivity and minimal costs with real-
time applications.
1.
Set up a base.
2.
On the base, attach a digital cellular phone to one port and a radio
to another port.
3.
Configure both connections on the base.
4.
Start the base. Real-time data is transmitted on two ports simultane-
ously - using different devices.
5.
Set up a rover.
6.
On the rover, attach a digital cellular phone to one port and a radio
to another port.
7.
Use two working styles to configure both connections on the rover.
8.
Start the rover using either the digital cellular phone connection or
the radio connection.
9.
On the rover, change the working style in use in order to change
between using digital cellular phone and radio. There is no need to
return to the base.
Configuration of GGA Message Sending for Reference Network
Applications
Most reference networks require an approximate position of the rover. For ref-
erence network applications, a rover dials into the reference network and sub-
mits its approximate position in form of an NMEA GGA message.
Description
SBAS satellites are tracked and the SBAS
service used is automatically selected.
Wide Area Augmentation System satellites
are tracked.
European Geostationary Navigation Overlay
System satellites are tracked.
MTSAT Satellite-based Augmentation System
where MTSAT stands for Multi-functional
Transport SATellite
GPS Aided Geo Augmentation Navigation
satellites are tracked.
193
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