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

KD0SYH

Cancelled

Irwin, David C

Location: Denver, CO
Class: General
Granted: 2012-08-28
Expires: 2022-08-28
FRN: 0021987326

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Vanity availability

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KD0SYH cleared its 2-year hold on 2014-10-27. Eligible for vanity application.

Last held by Irwin, David 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

KD0UGLexpired· G
Irwin, David CCOgranted 2012-10-27cancelled 2024-11-30

License history

0 events

No recorded events.

More vanity slots coming available

From Colorado

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Full history → Vanity availability → Callsign genealogy →