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

AB3EF callsign genealogy

Currently held by Josuweit, Samuel

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 AB3EF's current licensee, walking backwards.

  1. KB3MLDactive· T
    Verdi, Frank JPAgranted 2020-01-13
  2. KB3LXGcancelled· T
    Verdi, Frank JPAgranted 2005-02-08cancelled 2010-01-12

Successor callsigns

Callsigns held now by people who previously held AB3EF.

  1. N3XZactive· E
    Josuweit, SamuelPAgranted 2016-09-27
← Back to AB3EF License history →