Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4ZZ callsign genealogy
Currently held by ESCOBAR DEBIEN, JUAN RAUL
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 KP4ZZ's current licensee, walking backwards.
- KP4QLcancelledESCOBAR DEBIEN, JUAN RAULcancelled 1997-09-17
Successor callsigns
Callsigns held now by people who previously held KP4ZZ.
No current licensee on record previously held this callsign.