Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KB4WDA
ActiveSimpson, David J
- Location
- West Palm Beach, FL
- Class
- Technician
- Granted
- 2022-02-01
- Expires
- 2032-02-01
- Previous call
- KO4VGB
- FRN
- 0031643778
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Vanity availability
HeldCurrently held
KB4WDA 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
- Simpson, David JFLgranted 2021-12-09cancelled 2022-02-01
License history
0 eventsNo recorded events.