Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4OFX callsign genealogy
Currently held by Ruiz, Enrique
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 WP4OFX's current licensee, walking backwards.
- Ruiz, EnriquePRgranted 2010-08-27cancelled 2010-08-28
Successor callsigns
Callsigns held now by people who previously held WP4OFX.
- Ruiz, EnriquePRgranted 2020-11-04