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

AL5O callsign genealogy

Currently held by DENIS, ALBERT A

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 AL5O's current licensee, walking backwards.

  1. KY4MHcancelled· E
    DENIS, ALBERT AFLgranted 2020-05-12cancelled 2022-02-15

Successor callsigns

Callsigns held now by people who previously held AL5O.

  1. KL7Aactive· E
    Gardin, PetterAKgranted 2026-05-23
  2. KY4MHcancelled· E
    DENIS, ALBERT AFLgranted 2020-05-12cancelled 2022-02-15

All historical holders

Every license row we've seen with the callsign AL5O, oldest first.

  • Gardin, Petter AK
    2015-10-09 → cancelled 2016-03-22
  • DENIS, ALBERT A FL
    2020-05-12 → cancelled 2022-01-25
  • DENIS, ALBERT A FL
    2022-02-15 active
← Back to AL5O License history →