Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4WP callsign genealogy
Currently held by RIVERA, CARMEN 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 WP4WP's current licensee, walking backwards.
- PEREZ AGRAMONTE, WINSTON LPRgranted 2022-02-28cancelled 2025-08-12
Successor callsigns
Callsigns held now by people who previously held WP4WP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4WP, oldest first.
- RIVERA, CARMEN D PR1999-08-06 → cancelled 2011-08-09
- PEREZ AGRAMONTE, WINSTON L PR2025-08-12 active