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

KO4BYH

Cancelled

Malmberg, John D

Location: Rincon, GA
Class: Technician
Granted: 2020-02-18
Expires: 2030-02-18
FRN: 0029229507

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Vanity availability

Available

Available now

KO4BYH cleared its 2-year hold on 2024-11-25. Eligible for vanity application.

Last held by Malmberg, John D (GA).

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

N4JDMactive· T
Malmberg, John DGAgranted 2022-11-26

License history

0 events

No recorded events.

More vanity slots coming available

From Georgia

All →

KG6NEC 2026-09-09
KG4VAA 2026-09-10
KK4LOC 2026-09-11
KK4LOG 2026-09-11
KK4LOH 2026-09-11

Starting with KO4

All →

KO4UTL FL · 2026-09-13
KO4PTL KY · 2026-09-17
KO4OSB VA · 2026-09-21
KO4TMC FL · 2026-09-21
KO4YVJ FL · 2026-09-24

Full history → Vanity availability → Callsign genealogy →