Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4EJ callsign genealogy
Currently held by CASWELL, KENNETH 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 K4EJ's current licensee, walking backwards.
- BREWER III, FRANK GFLgranted 2003-10-07cancelled 2006-03-11
Successor callsigns
Callsigns held now by people who previously held K4EJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4EJ, oldest first.
- CASWELL, KENNETH J NM1997-03-20 → cancelled 2004-01-30
- BREWER III, FRANK G FL2026-02-26 active