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Figure 41: NAVconfig GNSS Control tab in Advanced Tools within NAVconfig
The GNSS Control tab gives a choice of two algorithms for computing the GNSS measurements. The default
option is to use the algorithm provided by the GNSS receiver. Using this algorithm, the RT will accept position
and velocity from the GNSS and use it to update the Kalman filter.
The gx/ix™ raw data processing algorithm uses the raw data from the GNSS and custom algorithms to compute
position and velocity tailored to the needs of the Kalman filter. It also improves performance in poor GNSS
environments using single satellite aiding technology and tightly coupled GNSS and inertial measurements.
Gx/ix™ mode is recommended to achieve the highest accuracy in environments where RTK lock may be difficult
to maintain. There is also a third option to use a mix of the two algorithms in order to gain the benefit from
each mode in real time.
Note: gx/ix™ processing is a new technology and is still being developed and improved. As such there are some
limitations to its compatibility. Table 26 details the current compatibilities of gx/ix™ mode.
Table 26: gx/ix™ compatibility
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