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

KM4SLF

Cancelled

Cook, William C

Location: Flatwoods, KY
Class: Amateur Extra
Granted: 2016-03-17
Expires: 2026-03-17
FRN: 0025386301

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Vanity availability

Available

Available now

KM4SLF cleared its 2-year hold on 2018-11-01. Eligible for vanity application.

Last held by Cook, William C (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

KY4EDactive· E
Cook, William CKYgranted 2016-11-01

License history

0 events

No recorded events.

More vanity slots coming available

From Kentucky

All →

KK4LMJ 2026-09-09
KD4STD 2026-09-10
KK4LMT 2026-09-10
KG4VAS 2026-09-11
KG4VAT 2026-09-11

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 →