Confidence: Medium · Source: FCC ULS · As of 2026-09-10
KM4ZMS
CancelledBrown, Brenton
- Location
- Thornton, CO
- Class
- Technician
- Granted
- 2016-12-09
- Expires
- 2026-12-09
- FRN
- 0026100248
Sign in to watch
Get notified about status changes and vanity availability for this callsign.
Vanity availability
644dAvailable on 2028-06-16
KM4ZMS cancelled on 2026-06-17. Hold ends in 644 days.
Last held by Brown, Brenton (CO).
Confidence: High
Cancelled licenses begin the 2-year hold immediately on the cancellation date, so this is the firm release date per §97.19.
Callsign genealogy
Full chain →Prior holders later became
- Brown, BrentonCOgranted 2016-12-09
License history
0 eventsNo recorded events.