Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KO4MFS
ActiveSheils, Michael F
- Location
- Jacksboro, TN
- Class
- Technician
- Granted
- 2020-01-07
- Expires
- 2030-01-07
- Previous call
- KO4AJF
- FRN
- 0029022084
Sign in to watch
Get notified about status changes and vanity availability for this callsign.
Vanity availability
HeldCurrently held
KO4MFS 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
- Sheils, Michael FTNgranted 2019-12-03cancelled 2020-01-07
License history
0 eventsNo recorded events.