Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KO4US
ExpiredBROWN, BILL F
- Location
- MEMPHIS, TN
- Class
- Advanced
- Granted
- 2002-01-03
- Expires
- 2012-03-31
- Previous call
- KD4JYY
- FRN
- 0006028310
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Vanity availability
UnknownStatus unknown
No vanity-slot record on file for KO4US. Either it has never been issued, is currently held by an active license, or hasn't been re-computed since its last freeing event.
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
- Burnette, Robert DGAgranted 2015-03-23cancelled 2024-09-28
License history
0 eventsNo recorded events.