Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4FUZ callsign genealogy
Currently held by Fuster Quintana, Rafael
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 KP4FUZ's current licensee, walking backwards.
- Fuster Quintana, RafaelPRgranted 2018-08-07cancelled 2018-10-23
Successor callsigns
Callsigns held now by people who previously held KP4FUZ.
No current licensee on record previously held this callsign.