Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3XYZ callsign genealogy
Currently held by Colatutto, Robert F
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 W3XYZ's current licensee, walking backwards.
- Colatutto, Robert FCAgranted 2025-06-24cancelled 2025-08-02
Successor callsigns
Callsigns held now by people who previously held W3XYZ.
- Moldenhauer, Robert CWIgranted 2000-01-13cancelled 2007-04-21
All historical holders
Every license row we've seen with the callsign W3XYZ, oldest first.
- MOLDENHAUER, ROBERT C WI1999-02-22 → cancelled 2000-01-13
- Cross III, Jesse E AL2013-04-10 → cancelled 2025-03-05
- Colatutto, Robert F CA2025-08-02 active