Confidence: Medium · Source: FCC ULS · As of 2026-09-09
AC3DU
ActiveKELLER, JOSEPH R
- Location
- HARRISBURG, PA
- Class
- Amateur Extra
- Granted
- 2018-11-20
- Expires
- 2028-11-20
- Previous call
- KC3MMK
- FRN
- 0028025690
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Vanity availability
HeldCurrently held
AC3DU 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
- KELLER, JOSEPH RPAgranted 2018-11-20cancelled 2018-12-18
License history
0 eventsNo recorded events.