Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AJ4Z callsign genealogy
Currently held by MOCK, KENNETH L
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 AJ4Z's current licensee, walking backwards.
- MOCK, KENNETH Lcancelled 1999-02-23
Successor callsigns
Callsigns held now by people who previously held AJ4Z.
No current licensee on record previously held this callsign.