Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4EUM callsign genealogy
Currently held by URREA MENDOZA, ENRIQUE
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 KN4EUM's current licensee, walking backwards.
- URREA, ENRIQUESCgranted 2014-05-19cancelled 2017-06-17
Successor callsigns
Callsigns held now by people who previously held KN4EUM.
No current licensee on record previously held this callsign.