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

KC4EFI

Cancelled

DUNCAN JR, THOMAS A

Location: Charlotte, NC
Class: General
Granted: 2011-01-06
Expires: 2021-01-06
FRN: 0011082336

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Vanity availability

Available

Available now

KC4EFI cleared its 2-year hold on 2017-11-13. Eligible for vanity application.

Last held by DUNCAN JR, THOMAS A (NC).

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

W4TADactive· G
DUNCAN JR, THOMAS AVAgranted 2025-11-21

License history

0 events

No recorded events.

More vanity slots coming available

From North Carolina

All →

K4LWW 2026-09-10
K4ONS 2026-09-10
KG4TPH 2026-09-10
KK4LNB 2026-09-10
KK4LND 2026-09-10

Starting with KC4

All →

KC4GIL NJ · 2026-09-14
KC4HTM SC · 2026-09-20
KC4OYJ FL · 2026-09-21
KC4SWK KY · 2026-09-21
KC4ZGF AL · 2026-09-21

Full history → Vanity availability → Callsign genealogy →