Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4TH callsign genealogy
Currently held by Torres Figueroa, Hector J
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 WP4TH's current licensee, walking backwards.
- Torres Figueroa, Hector JPRgranted 2016-09-06cancelled 2021-11-19
Successor callsigns
Callsigns held now by people who previously held WP4TH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4TH, oldest first.
- VELEZ SILVESTRE, RAFAEL PR1989-01-24 → cancelled 2001-01-25
- Torres Figueroa, Hector J PR2021-11-19 active