Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4KZN callsign genealogy
Currently held by CRUZ ABREU, NELSON A
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 WP4KZN's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WP4KZN.
- CRUZ ABREU, NELSON APRgranted 2019-04-04cancelled 2019-09-21