Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG4WL callsign genealogy
Currently held by O Brien, John E
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 AG4WL's current licensee, walking backwards.
- O Brien, John EFLgranted 1993-11-02cancelled 2002-11-05
Successor callsigns
Callsigns held now by people who previously held AG4WL.
No current licensee on record previously held this callsign.