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For single antenna systems, the heading is calculated from the inertial measurements. The accuracies listed
in Table 3 are achievable under dynamic conditions. Under static conditions the heading accuracy of single
antenna systems will degrade.
Non-ideal mounting of the GNSS antennas will reduce the heading accuracy, particularly for dual antenna
systems.
Environmental protection
The RT3000 v4 is rated to IP65. To achieve IP65 it is necessary to have connectors fitted to both TNC antenna
connectors and to use self-amalgamating tape over the TNC connectors.
Export control classification
Export control regulations are subject to change, and so the classification of the RT may also change. The
information presented here was correct when the manual was published.
The accelerometer and gyro sensors used in the RT3000 v4, as well as the RT3000 v4 navigation system as a
whole, do not fall under the requirements for controlled items on the Export Administration Regulations
Commerce Control List (CCL). As such the RT3000 v4 is designated ECCN 7A994 meaning no license is required
for export or reexport.
The RT3000 v4 is also classified as “Not Listed” by the Export Control Joint Unit, meaning it is not listed as
subject to control in the current UK strategic export control legislation.
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