Confidence: Medium · Source: FCC ULS · As of 2026-09-09
NJ4DU
ActiveCharleston Amateur Radio Society
- Location
- Charleston, SC
- Granted
- 2021-01-14
- Expires
- 2031-03-20
- Previous call
- KG4LYH
- FRN
- 0004437554
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Vanity availability
HeldCurrently held
NJ4DU 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
- KG4LYHcancelledCharleston Amateur Radio SocietySCgranted 2001-02-21cancelled 2001-03-20
License history
0 eventsNo recorded events.