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KC9DUH

Available2x3District 9

No competing applications on record.

License HolderArmstrong, Michael R

License ClassTechnician

Min. Class RequiredTechnician

LocationGrosse Ile, MI

Grant DateApr 24, 2003

Expiration DateApr 24, 2013

Cancellation DateJul 2, 2009

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KC9DUH

Available2x3District 9

No competing applications on record.

License HolderArmstrong, Michael R

License ClassTechnician

Min. Class RequiredTechnician

LocationGrosse Ile, MI

Grant DateApr 24, 2003

Expiration DateApr 24, 2013

Cancellation DateJul 2, 2009

Available for ApplicationsJul 3, 2011

KC9DUH is a 2x3 format amateur radio callsign. It is currently registered to Armstrong, Michael R in Grosse Ile, MI. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.

CW & Voice Analysis

Morse Code

-.- -.-. ----. -.. ..- ....

CW Weight: 42 units(Heavy (slower to send))

Voice Phonetics

Kilo Charlie Nine Delta Uniform Hotel

Readability: 7/10(Good readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License CanceledJul 2, 2009
Administrative Update AppliedSep 19, 2007
Administrative Update AppliedApr 15, 2004
License ModifiedJun 10, 2003
License ModifiedMay 14, 2003
License IssuedApr 24, 2003

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

No competing applications on record. Verify on the FCC ULS application search before filing.

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FCC data as of Jul 10, 2026

Is KC9DUH Available? FCC Vanity Status & Watchlist