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

KO4APB

Cancelled

Berlin, Andrew M

Location: Charleston, SC
Class: Amateur Extra
Granted: 2019-12-18
Expires: 2029-12-18
FRN: 0029060399

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Vanity availability

Available

Available now

KO4APB cleared its 2-year hold on 2022-06-23. Eligible for vanity application.

Last held by Berlin, Andrew M (SC).

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

AB4ICactive· E
Berlin, Andrew MSCgranted 2020-06-23

License history

0 events

No recorded events.

More vanity slots coming available

From South Carolina

All →

KQ4URH 2026-09-10
KG4VBH 2026-09-12
KK4LOZ 2026-09-13
KK4LPA 2026-09-13
KK4LPE 2026-09-13

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 →