uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KF4UAI callsign genealogy

Currently held by BARBER JR, JOHN E

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 KF4UAI's current licensee, walking backwards.

  1. KB8QJCcancelled· E
    Barber Jr, John EMIgranted 2008-04-04cancelled 2010-02-02
  2. N8JEBactive· T
    BURNS, JOSEPH EOHgranted 2021-07-27
  3. KE8SJBcancelled· T
    BURNS, JOSEPH EOHgranted 2021-06-23cancelled 2021-07-27

Successor callsigns

Callsigns held now by people who previously held KF4UAI.

  1. N8JEBcancelled· G
    Barber Jr, John EMIgranted 2003-09-30cancelled 2008-04-04
← Back to KF4UAI License history →