Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AJ4FF callsign genealogy
Currently held by Walton, David 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 AJ4FF's current licensee, walking backwards.
- Walton, David BVAgranted 2007-10-22cancelled 2008-02-20
Successor callsigns
Callsigns held now by people who previously held AJ4FF.
No current licensee on record previously held this callsign.