Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4EF callsign genealogy
Currently held by FRIDLEY, ERIC C
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 AJ4EF's current licensee, walking backwards.
- FRIDLEY, ERIC CTNgranted 2000-01-15cancelled 2004-02-13
Successor callsigns
Callsigns held now by people who previously held AJ4EF.
No current licensee on record previously held this callsign.