Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4AL callsign genealogy
Currently held by BARFIELD, WILLIAM B
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 KD4AL's current licensee, walking backwards.
- BARFIELD, WILLIAM BNCgranted 2000-05-05cancelled 2005-02-23
Successor callsigns
Callsigns held now by people who previously held KD4AL.
- BARFIELD, WILLIAM BNCgranted 2000-05-05cancelled 2005-02-23
All historical holders
Every license row we've seen with the callsign KD4AL, oldest first.
- BARFIELD, WILLIAM B NC1992-06-02 → cancelled 2000-05-05
- BARFIELD, WILLIAM B NC2025-04-08 active