Confidence: Medium · Source: FCC ULS · As of 2026-09-10
K4UDQ
ActiveSOWINSKI, JAMES F
- Location
- Hutchinson Island, FL
- Class
- General
- Granted
- 2026-01-22
- Expires
- 2036-03-16
- Previous call
- KG4AKI
- FRN
- 0014695340
Sign in to watch
Get notified about status changes and vanity availability for this callsign.
Vanity availability
HeldCurrently held
K4UDQ 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 →License history
0 eventsNo recorded events.