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

KB1SZ callsign genealogy

Currently held by Fuller, Robert G

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 KB1SZ's current licensee, walking backwards.

  1. N4AIKactive· G
    CULBRETH, JOSEPH SGAgranted 2026-02-26
  2. KE4BWKcancelled· G
    CULBRETH, JOSEPH SGAgranted 2015-03-05cancelled 2015-03-24
  3. N3GIP
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KB1SZ.

  1. W1HXactive· E
    Fuller, Robert GNHgranted 2022-08-02
← Back to KB1SZ License history →