Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AJ4FZ callsign genealogy
Currently held by Shook, Stephen K
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 AJ4FZ's current licensee, walking backwards.
- Shook, Stephen KTNgranted 2006-04-17cancelled 2008-03-12
Successor callsigns
Callsigns held now by people who previously held AJ4FZ.
No current licensee on record previously held this callsign.