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

KN4UBU

Cancelled

Carwell, Cullen M

Location: Jacksonville, FL
Class: General
Granted: 2019-04-22
Expires: 2029-04-22
FRN: 0028431062

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Vanity availability

Available

Available now

KN4UBU cleared its 2-year hold on 2021-08-01. Eligible for vanity application.

Last held by Carwell, Cullen M (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

K4LNGactive· E
CARWELL, CULLEN MFLgranted 2019-08-02

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4CYG 2026-09-10
K4YDD 2026-09-10
KG4QXI 2026-09-10
KG4RVV 2026-09-10
KG4VAB 2026-09-10

Starting with KN4

All →

KN4ZVG FL · 2026-09-17
KN4LGK GA · 2026-09-21
KN4VXC NC · 2026-09-21
KN4RPM VA · 2026-10-07
KN4GAM GA · 2026-10-12

Full history → Vanity availability → Callsign genealogy →