Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4PXU callsign genealogy
Currently held by VALENTIN NIEVES, LILLIAN 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 WP4PXU's current licensee, walking backwards.
- VALENTIN NIEVES, LILLIAN APRgranted 2018-02-05cancelled 2018-02-06
Successor callsigns
Callsigns held now by people who previously held WP4PXU.
- VALENTIN NIEVES, LILLIAN APRgranted 2018-03-30cancelled 2019-04-23