Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1WMB callsign genealogy
Currently held by Brinker, William M
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 K1WMB's current licensee, walking backwards.
- Brinker, William MMAgranted 2009-06-23cancelled 2009-09-15
Successor callsigns
Callsigns held now by people who previously held K1WMB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1WMB, oldest first.
- HERSEY, REGIS I NC1996-06-18 → cancelled 2008-06-19
- Brinker, William M MA2019-07-24 active