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Line 10:
Commercial magnetic tracking systems usually cost thousands of dollars.
Commercial magnetic tracking systems usually cost thousands of dollars.
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A [[trihedral source]] can be used.<ref name="w251">{{cite web | title=Position and orientation measuring system having anti-distortion source configuration | website=Google Patents | date=1995-06-05 | url=https://patents.google.com/patent/US5640170A/ | access-date=2024-08-22}}</ref>
==Examples==
==Examples==