Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4DF callsign genealogy
Currently held by MIRANDA, WILFREDO
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 KP4DF's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KP4DF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4DF, oldest first.
- MIRANDA, WILFREDO PR1995-07-13 → cancelled 2007-07-14
- DIAZ-FEBO, JOSE A PR2025-03-06 active