OurAirports has records for 7 different navaids with the identifier "OX". Please select the one you'd like to view.
China
358 KHz (OX --- -..-)
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United Kingdom
117.70 MHz (OX --- -..-)
368 KHz (OX --- -..-)
Indonesia
295 KHz (OX --- -..-)
Japan
360 KHz (OX --- -..-)
United States
362 KHz (OX --- -..-)
407 KHz (OX --- -..-)