Confidence: Medium · Source: FCC ULS · As of 2026-09-10
K8NWN
ActiveKoster, Michael J
- Location
- Hudsonville, MI
- Class
- Amateur Extra
- Granted
- 2020-03-31
- Expires
- 2030-03-31
- Previous call
- KE8NWN
- FRN
- 0029114022
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Vanity availability
HeldCurrently held
K8NWN is held by an active license; it isn't a vanity slot right now.
Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).
Callsign genealogy
Full chain →Previously held by current licensee
- Koster, Michael JMIgranted 2020-02-10cancelled 2020-03-31
License history
0 eventsNo recorded events.