Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO1U callsign genealogy
Currently held by Hamel, Michael J
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 WO1U's current licensee, walking backwards.
- Hamel, Michael JVTgranted 2005-12-15cancelled 2007-05-01
Successor callsigns
Callsigns held now by people who previously held WO1U.
No current licensee on record previously held this callsign.