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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W4JWB callsign genealogy

Currently held by BARKER, JOHN W

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 W4JWB's current licensee, walking backwards.

  1. KB4HAcancelled· A
    BALDWIN, JAMES WVAgranted 1998-10-22cancelled 2003-10-24

Successor callsigns

Callsigns held now by people who previously held W4JWB.

  1. W4BEactive· E
    BARKER, JOHN WALgranted 2019-09-16

All historical holders

Every license row we've seen with the callsign W4JWB, oldest first.

  • BARKER, JOHN W AL
    1999-03-25 → cancelled 1999-12-10
  • BALDWIN, JAMES W VA
    2013-08-03 → cancelled 2026-03-07
← Back to W4JWB License history →