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

KG4NKO

Cancelled

Hartlein Sr, Donald

Location: Port Charlotte, FL
Class: General
Granted: 2001-05-11
Expires: 2011-05-11
FRN: 0004817276

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Vanity availability

Available

Available now

KG4NKO cleared its 2-year hold on 2011-08-28. Eligible for vanity application.

Last held by Hartlein Sr, Donald (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 →

Prior holders later became

N4NODactive· G
HARTLEIN SR, DONALDNCgranted 2019-11-18

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 →