Confidence: Medium · Source: FCC ULS · As of 2026-09-10
AA4U
ActiveCARROLL, STEPHEN J
- Location
- HAZEL GREEN, AL
- Class
- Amateur Extra
- Granted
- 2017-07-11
- Expires
- 2027-10-05
- Previous call
- K2SC
- FRN
- 0003447489
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Vanity availability
HeldCurrently held
AA4U 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
Prior holders later became
- BLUMBERG, ROBERT GCAgranted 2026-08-15
License history
0 eventsNo recorded events.