Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KO4DUI

Cancelled

Dolan, James A

Location: Fort Lauderdale, FL
Class: Technician
Granted: 2020-05-29
Expires: 2030-05-29
FRN: 0027681873

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

Vanity availability

Available

Available now

KO4DUI cleared its 2-year hold on 2022-07-07. Eligible for vanity application.

Last held by Dolan, James A (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

KO9JADactive· T
Dolan, James AFLgranted 2020-07-07

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

KB1HYE 2026-09-12
KO4UTL 2026-09-13
KQ4RHZ 2026-09-13
KQ4UWU 2026-09-13
KQ4UXF 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 →