Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4FA callsign genealogy
Currently held by ARROYO, FRANCISCO
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 WP4FA's current licensee, walking backwards.
- ARROYO, FRANCISCOPRgranted 2008-05-12cancelled 2012-12-01
Successor callsigns
Callsigns held now by people who previously held WP4FA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4FA, oldest first.
- ORTIZ, JESUS N PR1998-04-21 → cancelled 2010-04-22
- ARROYO, FRANCISCO PR2024-03-22 active