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

W4EFB

Cancelled

KAEFF JR, CHARLES N

Location: COVINGTON, KY
Class: Amateur Extra
Granted: 2014-07-04
Expires: 2024-07-04
Previous call: KB4UL
FRN: 0002659795

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Vanity availability

Available

Available now

W4EFB cleared its 2-year hold on 2024-03-31. Eligible for vanity application.

Last held by KAEFF JR, CHARLES N (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 →

Previously held by current licensee

KY4GVcancelled· E
KAEFF JR, CHARLES NKYgranted 2020-02-28cancelled 2021-12-03
WA4HCCcancelled· E
KAEFF JR, CHARLES NKYgranted 2022-04-01cancelled 2023-05-02

Prior holders later became

WA4HCCcancelled· E
KAEFF JR, CHARLES NKYgranted 2022-04-01cancelled 2023-05-02
AC4WLcancelled· E
KAEFF JR, CHARLES NKYgranted 2016-03-08cancelled 2016-05-25
NK4UScancelled· E
KAEFF JR, CHARLES NKYgranted 2015-12-04cancelled 2016-02-17

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 W4

All →

W4IDI AL · 2026-09-10
W4YAU TN · 2026-09-10
W4CVH VA · 2026-09-12
W4QDZ NC · 2026-09-13
W4CKI AL · 2026-09-17

Full history → Vanity availability → Callsign genealogy →