Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4LEM callsign genealogy
Currently held by MALAVE RIVERA, LUIS E
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 KP4LEM's current licensee, walking backwards.
- MALAVE RIVERA, LUIS EPRgranted 1996-10-10cancelled 2004-11-26
Successor callsigns
Callsigns held now by people who previously held KP4LEM.
No current licensee on record previously held this callsign.