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

KC0CTO

Cancelled

Clarke, Joseph A

Location: BROOMFIELD, CO
Class: Amateur Extra
Granted: 2018-01-09
Expires: 2028-02-25
FRN: 0002549343

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Vanity availability

Available

Available now

KC0CTO cleared its 2-year hold on 2022-07-17. Eligible for vanity application.

Last held by Clarke, Joseph A (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

KC0CTactive· E
Clarke, Joseph ACOgranted 2020-07-17

License history

0 events

No recorded events.

More vanity slots coming available

From Colorado

All →

KB7PWB 2026-09-10
KF0RME 2026-09-10
KD0TBG 2026-09-11
KD0TBU 2026-09-11
KD0TBW 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 →