Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4PO callsign genealogy
Currently held by PEREZ, ANGEL M
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 WP4PO's current licensee, walking backwards.
- OCASIO FELICIANO, PEDROPRgranted 2007-11-24cancelled 2013-02-01
Successor callsigns
Callsigns held now by people who previously held WP4PO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4PO, oldest first.
- PEREZ, ANGEL M PR1988-06-07 → cancelled 2000-06-09
- OCASIO FELICIANO, PEDRO PR2013-02-01 → cancelled 2025-02-04