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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K5YOL callsign genealogy

Currently held by BEEBE, MARK S

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by K5YOL's current licensee, walking backwards.

  1. KB5YOLcancelled· T
    BEEBE, MARK STXgranted 2013-02-28cancelled 2017-02-07

Successor callsigns

Callsigns held now by people who previously held K5YOL.

  1. W5YFactive· E
    BEEBE, MARK STXgranted 2018-07-10