Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE4USM callsign genealogy
Currently held by AGNESE Sr., MATTHEW D
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 KE4USM's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KE4USM.
- AGNESE, MATTHEW DNJgranted 2004-11-23cancelled 2007-04-21