Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4NZ callsign genealogy
Currently held by Puerto Rico Contest Team
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 KP4NZ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KP4NZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4NZ, oldest first.
- POSTIGO ALCOVER, RAUL A PR1997-05-10 → cancelled 2009-05-12
- Puerto Rico Contest Team PR2024-07-26 active