Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4ZK callsign genealogy
Currently held by Wilkinson, Randy 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 AJ4ZK's current licensee, walking backwards.
- Wilkinson, Randy LFLgranted 2008-07-25cancelled 2010-05-24
Successor callsigns
Callsigns held now by people who previously held AJ4ZK.
- Wilkinson, Randy LFLgranted 2020-07-24