Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4MW callsign genealogy
Currently held by OLMO, JOSE
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 KP4MW's current licensee, walking backwards.
- LUNA, RENE APRgranted 2003-03-28cancelled 2007-07-03
Successor callsigns
Callsigns held now by people who previously held KP4MW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4MW, oldest first.
- OLMO, JOSE PR1995-03-08 → cancelled 2007-03-09
- LUNA, RENE A PR2017-04-14 active