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

KO4COB

Cancelled

Jeffers, William D

Location: Saint Simons Island, GA
Class: General
Granted: 2020-03-13
Expires: 2030-03-13
FRN: 0029319449

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Vanity availability

Available

Available now

KO4COB cleared its 2-year hold on 2022-04-11. Eligible for vanity application.

Last held by Jeffers, William 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

W4FNZactive· E
Jeffers, William DGAgranted 2020-04-11

License history

0 events

No recorded events.

More vanity slots coming available

From Georgia

All →

KG4VAA 2026-09-10
KK4LOC 2026-09-11
KK4LOG 2026-09-11
KK4LOH 2026-09-11
KK4LOK 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 →