Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4EMS callsign genealogy
Currently held by MARTINEZ, EDUARDO
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 KP4EMS's current licensee, walking backwards.
- MARTINEZ, EDUARDOPRgranted 2013-03-26cancelled 2017-03-12
Successor callsigns
Callsigns held now by people who previously held KP4EMS.
No current licensee on record previously held this callsign.