Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4H callsign genealogy
Currently held by BARNES, CHARLES 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 KB4H's current licensee, walking backwards.
- BARNES, CHARLES BFLgranted 1998-04-23cancelled 2000-06-27
Successor callsigns
Callsigns held now by people who previously held KB4H.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4H, oldest first.
- REACH, WALLACE E AL1988-05-10 → cancelled 2000-05-11
- BARNES, CHARLES B FL2020-04-01 active