Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4RDZ callsign genealogy
Currently held by CRUZ, JUAN
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 W4RDZ's current licensee, walking backwards.
- Diaz, Timothy RALgranted 2025-08-26cancelled 2025-09-16
Successor callsigns
Callsigns held now by people who previously held W4RDZ.
- CRUZ, JUANSCgranted 2024-09-05
All historical holders
Every license row we've seen with the callsign W4RDZ, oldest first.
- CRUZ, JUAN SC2013-06-07 → cancelled 2014-11-14
- Diaz, Timothy R AL2025-09-16 active