Radar, called Aircraft Detection Lighting Systems (ADLS). The requirements are s... | Hacker News

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		scblock 87 days ago \| parent \| context \| favorite \| on: Why do some radio towers blink? Radar, called Aircraft Detection Lighting Systems (ADLS). The requirements are summarized in the FAA Advisory Circular covering aviation marking and lighting.

lxgr 87 days ago [–]

As far as I understand, non-US systems don’t always use (primary) radar.

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