Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4RR callsign genealogy
Currently held by Rodriguez-Rodriguez, Warren
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 WP4RR's current licensee, walking backwards.
- Rodriguez-Rodriguez, WarrenPRgranted 2020-03-10cancelled 2020-05-02
Successor callsigns
Callsigns held now by people who previously held WP4RR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4RR, oldest first.
- ROBLES, ROBERTO PR1998-08-13 → cancelled 2010-08-14
- Rodriguez-Rodriguez, Warren PR2020-05-02 active