Confidence: Medium · Source: FCC ULS · As of 2026-09-11

KO4NUF

Cancelled

Messina, Mauro T

Location: Charlotte, NC
Class: General
Granted: 2021-03-08
Expires: 2031-03-08
FRN: 0030602718

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Vanity availability

Available

Available now

KO4NUF cleared its 2-year hold on 2023-03-30. Eligible for vanity application.

Last held by Messina, Mauro T (NC).

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

KG4MAVactive· G
Messina, Mauro TNCgranted 2021-03-30

License history

0 events

No recorded events.

More vanity slots coming available

From North Carolina

All →

KK4LPI 2026-09-13
KK4LPJ 2026-09-13
KQ4QFF 2026-09-13
KQ4RZZ 2026-09-13
W4QDZ 2026-09-13

Starting with KO4

All →

KO4UTL FL · 2026-09-13
KO4PTL KY · 2026-09-17
KO4OSB VA · 2026-09-21
KO4TMC FL · 2026-09-21
KO4YVJ FL · 2026-09-24

Full history → Vanity availability → Callsign genealogy →