Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4RRC callsign genealogy
Currently held by Rosario-Cortes, Rocio
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 WP4RRC's current licensee, walking backwards.
- Rosario-Cortes, RocioPRgranted 2018-06-12cancelled 2018-08-07
Successor callsigns
Callsigns held now by people who previously held WP4RRC.
No current licensee on record previously held this callsign.