Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4XR callsign genealogy
Currently held by Cresswell, William A
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 AJ4XR's current licensee, walking backwards.
- Cresswell, William ANCgranted 2006-02-21cancelled 2010-04-05
Successor callsigns
Callsigns held now by people who previously held AJ4XR.
- CRESSWELL, WILLIAM ANCgranted 2020-02-27