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

WB4VOX

Cancelled

SULLIVAN, MARK B

Location: CHARLOTTE, NC
Class: Amateur Extra
Granted: 1998-04-01
Expires: 2008-04-01
FRN: 0014923817

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Vanity availability

Available

Available now

WB4VOX cleared its 2-year hold on 2008-09-11. Eligible for vanity application.

Last held by SULLIVAN, MARK B (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

W4VOXactive· E
SULLIVAN, MARK BNCgranted 2016-07-27

License history

0 events

No recorded events.

More vanity slots coming available

From North Carolina

All →

KG4ULQ 2026-09-11
KG4VAK 2026-09-11
KG4VAL 2026-09-11
KG4VAO 2026-09-11
KG4VAP 2026-09-11

Starting with WB4

All →

WB4ZXT TN · 2026-09-12
WB4WCR MS · 2026-10-05
WB4IER FL · 2026-10-12
WB4VWZ FL · 2026-10-26
WB4CDD NC · 2026-11-02

Full history → Vanity availability → Callsign genealogy →