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

AB5L callsign genealogy

Currently held by HOPKINS, MICHAEL N

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 AB5L's current licensee, walking backwards.

  1. KI0Kactive· E
    CHRISTENSON, DEREK AIAgranted 2019-10-17
  2. AC0QTcancelled· E
    CHRISTENSON, DEREK AIAgranted 2006-12-07cancelled 2009-12-29
  3. KC0ZBScancelled· E
    CHRISTENSON, DEREK AIAgranted 2006-12-07cancelled 2009-12-11

Successor callsigns

Callsigns held now by people who previously held AB5L.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AB5L, oldest first.

  • HOPKINS, MICHAEL N TX
    1998-12-23 → cancelled 2005-06-23
  • REEVES, MARTIN K TX
    2017-05-23 active