Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7USN callsign genealogy
Currently held by Wenman, Michael L
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 K7USN's current licensee, walking backwards.
- Wenman, Michael LALgranted 2024-03-19cancelled 2024-04-23
Successor callsigns
Callsigns held now by people who previously held K7USN.
- WARNER, Douglas CWIgranted 2022-03-05
All historical holders
Every license row we've seen with the callsign K7USN, oldest first.
- ROBERTS, LIONA R UT2008-05-17 → cancelled 2020-05-19
- WARNER, Douglas C WI2020-07-24 → cancelled 2022-03-05
- Wenman, Michael L AL2024-04-23 active