Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WN8U callsign genealogy
Currently held by TANNERT, MARK W
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 WN8U's current licensee, walking backwards.
- TANNERT, MARK WOHgranted 2012-03-15cancelled 2012-07-21
Successor callsigns
Callsigns held now by people who previously held WN8U.
- SMALL, CARLTON CMIgranted 2010-06-04cancelled 2018-06-29
All historical holders
Every license row we've seen with the callsign WN8U, oldest first.
- SMALL, CARLTON C MI2000-09-22 → cancelled 2010-06-04
- TANNERT, MARK W OH2022-05-28 active