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

KO4YO

Cancelled

WEAVER, DONALD C

Location: MC KEAN, PA
Class: Advanced
Granted: 2002-03-30
Expires: 2012-06-02
FRN: 0006392849

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Vanity availability

Available

Available now

KO4YO cleared its 2-year hold on 2008-01-10. Eligible for vanity application.

Last held by WEAVER, DONALD C (PA).

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

W3WDKactive· A
WEAVER, DONALD CPAgranted 2025-11-20

License history

0 events

No recorded events.

More vanity slots coming available

From Pennsylvania

All →

KB3HBB 2026-09-10
KB3ZFA 2026-09-10
KB3ZFB 2026-09-10
KC3ZNR 2026-09-10
KC3ZQJ 2026-09-10

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 →