Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC3EU callsign genealogy
Currently held by Allen, Clifford E
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 AC3EU's current licensee, walking backwards.
- Allen, Clifford EPAgranted 2019-02-22cancelled 2019-07-16
Successor callsigns
Callsigns held now by people who previously held AC3EU.
No current licensee on record previously held this callsign.