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Picture taken July 31, 2001

Close-up of the beacon health monitoring antenna. It picks up the basic VOR 'drone', the morse ID, and the pulse that signals the passing of the VOR sweep through (magnetic) North. Any change in one of these parameters for long enough will set of the alarm.

Page updated 2011-07-03

© 2021 Jeroen Hoppenbrouwers For more information, mail to hoppie@hoppie.nl