Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1WIN callsign genealogy
Currently held by CRUZ, ERWIN D
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 W1WIN's current licensee, walking backwards.
- CRUZ, ERWIN DCAgranted 1996-07-07cancelled 2005-04-22
Successor callsigns
Callsigns held now by people who previously held W1WIN.
- CRUZ, ERWIN DCAgranted 2025-06-18