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

KO4WR

Cancelled

SHEEHAN, JAMES F

Location: Windam, ME
Class: Advanced
Granted: 2002-02-21
Expires: 2012-04-28
Previous call: KC1CS
FRN: 0004900767

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Vanity availability

Available

Available now

KO4WR cleared its 2-year hold on 2004-11-01. Eligible for vanity application.

Last held by SHEEHAN, JAMES F (ME).

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 →

Previously held by current licensee

KC1CSactive· A
SHEEHAN, JAMES FMEgranted 2022-11-29

Prior holders later became

KC1CSactive· A
SHEEHAN, JAMES FMEgranted 2022-11-29

License history

0 events

No recorded events.

More vanity slots coming available

From Maine

All →

KB1ICB 2026-09-10
KB1YQF 2026-09-13
KB1YQH 2026-09-13
KC1VEC 2026-09-17
KD4TCW 2026-09-21

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 →