Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4FFM callsign genealogy
Currently held by MEDINA, NELSON J
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 KP4FFM's current licensee, walking backwards.
- MEDINA, NELSON Jcancelled 1999-04-29
Successor callsigns
Callsigns held now by people who previously held KP4FFM.
No current licensee on record previously held this callsign.