Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4PMN callsign genealogy
Currently held by SANTIAGO RIOS, JOSE J
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 WP4PMN's current licensee, walking backwards.
- SANTIAGO RIOS, JOSE JPRgranted 2014-04-28cancelled 2015-08-27
Successor callsigns
Callsigns held now by people who previously held WP4PMN.
- SANTIAGO RIOS, JOSE JPRgranted 2024-07-10