Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7KBM callsign genealogy
Currently held by Mathews, Samuel A
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 W7KBM's current licensee, walking backwards.
- Mathews, Samuel AUTgranted 2023-02-03cancelled 2026-08-28
Successor callsigns
Callsigns held now by people who previously held W7KBM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7KBM, oldest first.
- OLIVER, KENNETH A UT2008-02-12 → cancelled 2020-02-27
- Mathews, Samuel A UT2026-08-28 active