Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4OXD callsign genealogy
Currently held by RIVERA RIVERA, NICOLAS
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 WP4OXD'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 WP4OXD.
- RIVERA RIVERA, NICOLASPRgranted 2024-01-10cancelled 2024-07-09