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

KM4SM

Cancelled

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Vanity availability

Available

Available now

KM4SM cleared its 2-year hold on 2021-02-25. Eligible for vanity application.

Last held by Morton, Michael S (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 →

Previously held by current licensee

K4BOXactive· G
Dubin, Garth AVAgranted 2019-06-07
KM4NMCcancelled· G
Dubin, Garth AVAgranted 2015-09-25cancelled 2019-06-07

Prior holders later became

K4NZactive· E
Morton, MikeFLgranted 2019-02-26

License history

0 events

No recorded events.

More vanity slots coming available

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 →