Confidence: Medium · Source: FCC ULS · As of 2026-09-11
W4AOK
ActiveRISTER, WINFORD M
- Location
- Cottondale, FL
- Class
- Amateur Extra
- Granted
- 2019-02-09
- Expires
- 2029-02-09
- Previous call
- KI4EU
- FRN
- 0003134947
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Vanity availability
HeldCurrently held
W4AOK 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
- RISTER, WINFORD MFLgranted 2012-12-04cancelled 2019-02-09
- WB4MBLno FCC ULS record on file
License history
0 eventsNo recorded events.