Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KX4US
ActiveSTEMPIEN, DAVID L
- Location
- MT VERNON, AL
- Class
- Amateur Extra
- Granted
- 2020-03-18
- Expires
- 2030-06-15
- Previous call
- KG4IEX
- FRN
- 0002574481
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Vanity availability
HeldCurrently held
KX4US 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
- STEMPIEN, DAVID LALgranted 2010-04-06cancelled 2019-09-26
License history
0 eventsNo recorded events.