Confidence: Medium · Source: FCC ULS · As of 2026-09-11

KF4GZK

Cancelled

CARROLL, FREDERICK A

Location: MATTHEWS, NC
Class: Amateur Extra
Granted: 2005-12-29
Expires: 2016-02-22
Previous call: WB1CRV
FRN: 0014467310

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Vanity availability

Available

Available now

KF4GZK cleared its 2-year hold on 2009-10-08. Eligible for vanity application.

Last held by CARROLL, FREDERICK 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 →

Previously held by current licensee

WB1CRV
no FCC ULS record on file

Prior holders later became

AJ4CNactive· E
CARROLL, FREDERICK ANCgranted 2025-11-26

License history

0 events

No recorded events.

More vanity slots coming available

From North Carolina

All →

KG4ULQ 2026-09-11
KG4VAK 2026-09-11
KG4VAL 2026-09-11
KG4VAO 2026-09-11
KG4VAP 2026-09-11

Starting with KF4

All →

KF4WUR VA · 2026-10-01
KF4BCO FL · 2026-10-09
KF4WLA FL · 2026-10-11
KF4QOP KY · 2026-11-16
KF4TYA FL · 2026-11-22

Full history → Vanity availability → Callsign genealogy →