Confidence: Medium · Source: FCC ULS · As of 2026-09-10

KN4KKJ

Cancelled

Hamilton, Mark F

Location: Live Oak, FL
Class: Amateur Extra
Granted: 2018-03-09
Expires: 2028-03-09
FRN: 0027323518

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Vanity availability

Available

Available now

KN4KKJ cleared its 2-year hold on 2020-11-13. Eligible for vanity application.

Last held by Hamilton, Mark F (FL).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Prior holders later became

N4BXactive· E
Hamilton, Mark FFLgranted 2018-11-14

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

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Starting with KN4

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KN4ZVG FL · 2026-09-17
KN4LGK GA · 2026-09-21
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KN4RPM VA · 2026-10-07
KN4GAM GA · 2026-10-12

Full history → Vanity availability → Callsign genealogy →