Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4N callsign genealogy
Currently held by OSORIO, CARLOS M
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 WP4N's current licensee, walking backwards.
- OSORIO FEBRES, CARLOS MPRgranted 1994-12-20cancelled 2000-07-07
- WP4LUHno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held WP4N.
No current licensee on record previously held this callsign.