Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8OU callsign genealogy
Currently held by JOHN, ANDREW C
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 W8OU's current licensee, walking backwards.
- HALES, MARK RUTgranted 2025-10-01cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held W8OU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8OU, oldest first.
- MASTER, CHARLES A MI1993-07-13 → cancelled 1998-02-04
- JOHN, ANDREW C OK2015-05-15 → cancelled 2023-09-26
- HALES, MARK R UT2025-12-09 active