Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4ABB callsign genealogy
Currently held by Bryant, Alan 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 N4ABB's current licensee, walking backwards.
- Bryant, Alan BGAgranted 2015-01-13cancelled 2016-02-06
Successor callsigns
Callsigns held now by people who previously held N4ABB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4ABB, oldest first.
- GILBOARD, CHARLES M FL1989-02-14 → cancelled 2001-02-15
- Bryant, Alan B GA2026-01-10 active