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

KG4ZRN

Cancelled

Haefner, Thomas J

Location: Middleburg, FL
Class: Amateur Extra
Granted: 2002-10-22
Expires: 2012-10-22
Previous call: KG4VQC
FRN: 0007788920

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Vanity availability

Available

Available now

KG4ZRN cleared its 2-year hold on 2005-10-13. Eligible for vanity application.

Last held by Haefner, Thomas J (FL).

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

KG4VQCcancelled· G
Haefner, Thomas JFLgranted 2002-10-22cancelled 2003-04-16

Prior holders later became

AI4BZactive· E
Haefner, Thomas JFLgranted 2022-10-04

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4CYG 2026-09-10
K4YDD 2026-09-10
KG4QXI 2026-09-10
KG4RVV 2026-09-10
KG4VAB 2026-09-10

Starting with KG4

All →

KG4JXE OR · 2026-09-10
KG4QXI FL · 2026-09-10
KG4RVV FL · 2026-09-10
KG4SUF AL · 2026-09-10
KG4TPH NC · 2026-09-10

Full history → Vanity availability → Callsign genealogy →