SonTek RS5 User Manual (August 2020) 142
If the user is configuring an external GNSS/GPS antenna to use for the first time, the
antenna must be configured for serial communications at a
baud rate of 38400.
The data output rate for the strings required should be configured according to the
following table:
Message Required Output Rate
Description
GGA
5Hz
UTC time, position, quality and DGPS
diagnostics
VTG
5Hz
ground speed and direction
RMC
1Hz
UTC date and magnetic declination
ZDA
1Hz
UTC date
GSV
1Hz
detailed satellite (in view) information
GSA
1Hz
list of satellites used in fix
When configuration is finished, the external antenna must be connected via serial cable
to the RS5 system through the GPS connector port. Power both the RS5 and antenna
on, and go outside to a location where a reliable GNSS/GPS signal can be achieved.
Then, click the “External GNSS” button highlighted below:
Summary of Contents for Sontek River Surveyor RS5
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