Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4JZ callsign genealogy
Currently held by QUINONEZ, FIDEL
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 WP4JZ's current licensee, walking backwards.
- Lopez Esquilin, Jose APRgranted 2018-12-06cancelled 2019-11-08
Successor callsigns
Callsigns held now by people who previously held WP4JZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4JZ, oldest first.
- QUINONEZ, FIDEL PR1998-10-13 → cancelled 2010-10-14
- lopez, jose A PR2019-11-08 active