Confidence: Medium · Source: FCC ULS · As of 2026-09-09
N4ZI
CancelledMADDOCK, WILLIAM C
- Location
- Munford, TN
- Class
- Amateur Extra
- Granted
- 2016-10-19
- Expires
- 2026-12-18
- Previous call
- AI4AA
- FRN
- 0015240914
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Vanity availability
UnknownStatus unknown
No vanity-slot record on file for N4ZI. Either it has never been issued, is currently held by an active license, or hasn't been re-computed since its last freeing event.
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
- McGill, GaryFLgranted 2023-03-14cancelled 2024-11-30
License history
0 eventsNo recorded events.