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

WD4KBW

Cancelled

MATZINGER, WILLIAM D

Location: ORLANDO, FL
Class: Amateur Extra
Granted: 2019-02-05
Expires: 2029-03-29
FRN: 0004407060

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Vanity availability

Available

Available now

WD4KBW cleared its 2-year hold on 2022-10-14. Eligible for vanity application.

Last held by MATZINGER, WILLIAM D (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

N5GFactive· E
MATZINGER, WILLIAM DFLgranted 2020-10-14

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4HCL 2026-09-09
KG4UZU 2026-09-09
KG4UZX 2026-09-09
KK4LMR 2026-09-09
W3EFZ 2026-09-09

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 →