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

WD4MBK

Cancelled

OSBORNE, CHARLES S

Location: Brevard, NC
Class: Amateur Extra
Granted: 1996-06-27
Expires: 2006-06-27
FRN: 0003207644

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

Vanity availability

Available

Available now

WD4MBK cleared its 2-year hold on 2002-06-17. Eligible for vanity application.

Last held by OSBORNE, CHARLES S (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

K4CSOactive· E
OSBORNE, CHARLES SNCgranted 2020-05-12

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 WD4

All →

WD4FLY FL · 2026-09-21
WD4EUD KY · 2026-10-09
WD4KJC MS · 2026-10-12
WD4KLU FL · 2026-10-12
WD4BQW NC · 2026-10-15

Full history → Vanity availability → Callsign genealogy →