Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4ICT callsign genealogy
Currently held by Cruz, Ismael
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 WP4ICT's current licensee, walking backwards.
- CRUZ, ISMAELPRgranted 2018-10-17cancelled 2018-11-27
Successor callsigns
Callsigns held now by people who previously held WP4ICT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4ICT, oldest first.
- TOME GUERRA, ENRIQUE PR1988-07-19 → cancelled 2000-07-20
- Cruz, Ismael PR2018-11-27 active