Real World
Improvements
Continuously operating
base and rover receivers in
regions with high levels of
ionosphere disturbance have
been running with IonoGuard
enabled. Comparison to
firmware without IonoGuard
can be made. During solar
storm events the improvement
in positional accuracy is
particularly evident. Below are
plots from Brazil, Peru, and
Northern Sweden during a solar
storm that occurred on August
5th 2023. The blue line is the
horizontal positioning error in
meters for firmware running
without IonoGuard enabled.
The red line represents the
IonoGuard performance.
Brazil data
Peru data
Horizontal position error with IonoGuard enabled
IonoGuard disabled
Horizontal position error with IonoGuard enabled
IonoGuard disabled
12 Trimble IonoGuard
™
—Protecting RTK GNSS from Ionospheric disturbances
