Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4VB callsign genealogy
Currently held by ANTONIO RIOS, JUAN
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 WP4VB's current licensee, walking backwards.
- BIRRIEL CARRASQUILLO, VICTORPRgranted 2011-11-30cancelled 2020-05-16
Successor callsigns
Callsigns held now by people who previously held WP4VB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4VB, oldest first.
- ANTONIO RIOS, JUAN PR1989-04-18 → cancelled 2001-04-19
- BIRRIEL CARRASQUILLO, VICTOR PR2020-05-16 active