Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KO4TM
ActiveOTM AMATEUR RADIO CLUB
- Location
- BIRMINGHAM, AL
- Granted
- 2021-01-21
- Expires
- 2031-01-25
- Previous call
- KJ4ZTH
- FRN
- 0020500765
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Vanity availability
HeldCurrently held
KO4TM 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
- KJ4ZTHcancelledOTM AMATEUR RADIO CLUBALgranted 2011-01-07cancelled 2011-01-25
License history
0 eventsNo recorded events.