Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AJ4QL callsign genealogy
Currently held by KEENAN, JOHN F
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 AJ4QL's current licensee, walking backwards.
- KEENAN, JOHN FNCgranted 2008-11-19cancelled 2009-05-21
Successor callsigns
Callsigns held now by people who previously held AJ4QL.
No current licensee on record previously held this callsign.