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

KB4TWN callsign genealogy

Currently held by MABE, BRADLEY S

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 KB4TWN's current licensee, walking backwards.

  1. AI4TMactive· E
    MORROW, TIMOTHY LTNgranted 2025-01-17
  2. AB4NHcancelled· E
    MORROW, TIMOTHY LTNgranted 2018-12-18cancelled 2025-01-17

Successor callsigns

Callsigns held now by people who previously held KB4TWN.

  1. W4ILSactive· E
    Mabe, Bradley SNCgranted 2017-06-13
  2. NC4HIcancelled· E
    MABE, BRADLEY SNCgranted 2002-09-06cancelled 2004-02-07

All historical holders

Every license row we've seen with the callsign KB4TWN, oldest first.

  • MABE, BRADLEY S NC
    2001-01-10 → cancelled 2002-09-06
  • MABE, BRADLEY S AL
    2012-07-13 → cancelled 2017-06-13
← Back to KB4TWN License history →