Confidence: Medium · Source: FCC ULS · As of 2026-09-10
W4CDR
ActiveKERR III, JOHN T
- Location
- DURHAM, NC
- Class
- General
- Granted
- 2017-12-06
- Expires
- 2028-01-14
- Previous call
- WA4CAK
- FRN
- 0003222205
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Vanity availability
HeldCurrently held
W4CDR 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
- KERR III, JOHN Tcancelled 1998-01-14
License history
0 eventsNo recorded events.