Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N8UO callsign genealogy
Currently held by SHERWOOD, MICHAEL K
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 N8UO's current licensee, walking backwards.
- SHERWOOD, MICHAEL KMIgranted 2019-01-01cancelled 2024-12-13
- Shimp, Gregory RTXgranted 2021-01-22
- Scroggins, Kaden COKgranted 2026-06-23
- Scroggins, Kaden COKgranted 2025-06-24cancelled 2026-06-23
- Scroggins, Kaden COKgranted 2025-04-23cancelled 2025-06-24
Successor callsigns
Callsigns held now by people who previously held N8UO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N8UO, oldest first.
- RILEY, KENNETH C MI2012-11-10 → cancelled 2024-12-04
- SHERWOOD, MICHAEL K MI2024-12-13 active