Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WU1O callsign genealogy
Currently held by Empey, William 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 WU1O's current licensee, walking backwards.
- Empey, William MNYgranted 2001-01-19cancelled 2002-07-16
- KA2HVZno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held WU1O.
- SOUZA, DANIEL CMAgranted 2021-08-10