Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4MXF callsign genealogy
Currently held by NIEVES, JOSE M
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 KP4MXF's current licensee, walking backwards.
- NIEVES, JOSE MPRgranted 1999-04-23cancelled 2005-03-02
Successor callsigns
Callsigns held now by people who previously held KP4MXF.
No current licensee on record previously held this callsign.