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

KO4MOI

Cancelled

Patterson II, David L

Location: Jacksonville, FL
Class: General
Granted: 2021-02-16
Expires: 2031-02-16
FRN: 0030430656

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Available

Available now

KO4MOI cleared its 2-year hold on 2023-04-02. Eligible for vanity application.

Last held by Patterson II, David L (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

KS4ENHactive· G
Patterson II, David LFLgranted 2021-04-02

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

KD4SPY 2026-09-11
KK4LOA 2026-09-11
KB1HYE 2026-09-12
KO4UTL 2026-09-13
KQ4RHZ 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 →