Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4TC callsign genealogy
Currently held by COLON ARROYO, JOSE 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 WP4TC's current licensee, walking backwards.
- COLON ARROYO, JOSE MPRgranted 2010-06-07cancelled 2016-09-20
Successor callsigns
Callsigns held now by people who previously held WP4TC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4TC, oldest first.
- DELVALLE, IRIS PR1999-02-24 → cancelled 2011-02-25
- COLON ARROYO, JOSE M PR2016-09-20 active