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

KM4ZRS

Cancelled

Vu, William M

Location: Tampa, FL
Class: Technician
Granted: 2016-12-16
Expires: 2026-12-16
FRN: 0026115733

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Vanity availability

Available

Available now

KM4ZRS cleared its 2-year hold on 2019-06-13. Eligible for vanity application.

Last held by Vu, William M (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

WF4TMSactive· T
Vu, William MFLgranted 2017-06-13

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4CYG 2026-09-10
K4YDD 2026-09-10
KG4QXI 2026-09-10
KG4RVV 2026-09-10
KG4VAB 2026-09-10

Starting with KM4

All →

KM4AHK PA · 2026-09-21
KM4JCT GA · 2026-09-28
KM4FBY SC · 2026-10-01
KM4IS NC · 2026-10-03
KM4NGF AL · 2026-10-07

Full history → Vanity availability → Callsign genealogy →