Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4AR callsign genealogy
Currently held by REYNOLDS JR, WILLIAM G
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 KB4AR's current licensee, walking backwards.
- ROSIN, ANGELOFLgranted 2019-05-15cancelled 2023-06-02
Successor callsigns
Callsigns held now by people who previously held KB4AR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4AR, oldest first.
- REYNOLDS JR, WILLIAM G FL2007-08-21 → cancelled 2019-11-19
- ROSIN, ANGELO FL2023-06-02 active