Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4CK callsign genealogy
Currently held by Creel, Billy J
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 AJ4CK's current licensee, walking backwards.
- Creel, Billy JTNgranted 2001-09-08cancelled 2007-10-03
Successor callsigns
Callsigns held now by people who previously held AJ4CK.
No current licensee on record previously held this callsign.