Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4BS callsign genealogy
Currently held by Rey-Rodriguez, Jaime D
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 WP4BS's current licensee, walking backwards.
- SANCHEZ-CABRERA, BRIAN RPRgranted 2015-04-02cancelled 2016-09-02
Successor callsigns
Callsigns held now by people who previously held WP4BS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4BS, oldest first.
- Rey-Rodriguez, Jaime D PR2004-06-16 → cancelled 2016-06-17
- SANCHEZ-CABRERA, BRIAN R PR2016-09-02 active