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

AB0EV callsign genealogy

Currently held by ROBERTSON, MARK D

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 AB0EV's current licensee, walking backwards.

  1. NB7Cactive· E
    SORENSEN, CARL GIDgranted 2020-03-30
  2. KA7ANMactive· T
    SORENSEN, DIANA LIDgranted 2023-02-09
  3. KD7SSWcancelled· T
    Sorensen, Diana LIDgranted 2002-09-24cancelled 2002-10-22

Successor callsigns

Callsigns held now by people who previously held AB0EV.

  1. W0MDRactive· E
    ROBERTSON, MARK DCOgranted 2025-11-27
← Back to AB0EV License history →