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

KM4DSO

Cancelled

DONNERMEYER, MATTHEW

Location: Union, KY
Class: Technician
Granted: 2014-08-15
Expires: 2024-08-15
FRN: 0023874837

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Vanity availability

Available

Available now

KM4DSO cleared its 2-year hold on 2017-07-16. Eligible for vanity application.

Last held by DONNERMEYER, MATTHEW (KY).

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

K4CVGactive· G
DONNERMEYER, MATTHEWKYgranted 2025-04-22

License history

0 events

No recorded events.

More vanity slots coming available

From Kentucky

All →

KD4STD 2026-09-10
KK4LMT 2026-09-10
KG4VAS 2026-09-11
KG4VAT 2026-09-11
K4OTU 2026-09-14

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 →