Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W4DHR
ActiveMarshall, William F
- Location
- Louisville, KY
- Class
- Technician
- Granted
- 2023-09-12
- Expires
- 2033-10-17
- Previous call
- KK4TSY
- FRN
- 0022964910
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Vanity availability
HeldCurrently held
W4DHR 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
- Marshall, William FKYgranted 2013-09-09cancelled 2013-10-17
License history
0 eventsNo recorded events.