Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4WWB callsign genealogy
Currently held by Bryant, Thomas D
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 KF4WWB's current licensee, walking backwards.
- Bryant, Thomas DALgranted 2022-05-11cancelled 2022-06-01
Successor callsigns
Callsigns held now by people who previously held KF4WWB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4WWB, oldest first.
- Bryant, Charles D AL2018-02-21 → cancelled 2021-07-10
- Bryant, Thomas D AL2022-06-01 active