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KC1ZSM

Cancelled2x3District 1

No competing applications on record.

License HolderDONAHUE, MICHAEL C

License ClassGeneral

Min. Class RequiredTechnician

LocationBROOKLYN, NY

Grant DateJun 11, 2026

Cancellation DateJul 7, 2026

Available for ApplicationsJul 8, 2028

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KC1ZSM

Cancelled2x3District 1

No competing applications on record.

License HolderDONAHUE, MICHAEL C

License ClassGeneral

Min. Class RequiredTechnician

LocationBROOKLYN, NY

Grant DateJun 11, 2026

Cancellation DateJul 7, 2026

Available for ApplicationsJul 8, 2028

KC1ZSM is a 2x3 format amateur radio callsign. It is currently registered to DONAHUE, MICHAEL C in BROOKLYN, NY. 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: 45 units(Heavy (slower to send))

Voice Phonetics

Kilo Charlie One Zulu Sierra Mike

Readability: 7.5/10(High readability)

Available Jul 8, 2028 (673 days remaining)

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

License History

License CanceledJul 7, 2026
License ModifiedJun 18, 2026
System-Generated GrantJun 11, 2026
License IssuedJun 11, 2026

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.

Search external databases

QRZ ↗HamQTH ↗

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FCC data as of Sep 4, 2026

Is KC1ZSM Available? FCC Vanity Status & Watchlist