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

KC0IUN

Cancelled

Warren, Ray C

Location: Longmont, CO
Class: Amateur Extra
Granted: 2000-09-02
Expires: 2010-09-02
FRN: 0003942869

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Vanity availability

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KC0IUN cleared its 2-year hold on 2004-02-28. Eligible for vanity application.

Last held by Warren, Ray C (CO).

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

W9LQMactive· E
Warren, Ray CCOgranted 2022-01-11

License history

0 events

No recorded events.

More vanity slots coming available

From Colorado

All →

KD0TBG 2026-09-11
KD0TBU 2026-09-11
KD0TBW 2026-09-11
KD0TBX 2026-09-11
KD0TBZ 2026-09-11

Starting with KC0

All →

KC0OBE MN · 2026-09-15
KC0OBK MN · 2026-09-16
KC0OBW AL · 2026-09-16
KC0OBZ CO · 2026-09-16
KC0OCA CO · 2026-09-16

Full history → Vanity availability → Callsign genealogy →