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

KY4OK

Cancelled

Du, Haoze

Location: Raleigh, NC
Class: Amateur Extra
Granted: 2022-03-17
Expires: 2032-03-17
Previous call: KO4YRW
FRN: 0032053647

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Vanity availability

Available

Available now

KY4OK cleared its 2-year hold on 2024-05-02. Eligible for vanity application.

Last held by Du, Haoze (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 →

Previously held by current licensee

KO4YRWcancelled· E
Du, HaozeNCgranted 2022-03-17cancelled 2022-04-07

Prior holders later became

N8DHZactive· E
Du, HaozeNCgranted 2022-05-03

License history

0 events

No recorded events.

More vanity slots coming available

From North Carolina

All →

K4LWW 2026-09-10
K4ONS 2026-09-10
KG4TPH 2026-09-10
KK4LNB 2026-09-10
KK4LND 2026-09-10

Starting with KY4

All →

KY4MAC TN · 2026-10-11
KY4KF NC · 2026-11-30
KY4ZL KY · 2026-12-06
KY4UH GA · 2026-12-21
KY4EOD KY · 2027-02-11

Full history → Vanity availability → Callsign genealogy →