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KO4TMO

Available2x3District 4

No competing applications on record.

License HolderHANSEN, MARK S

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationMANCHESTER, IA

Grant DateSep 22, 2021

Expiration DateSep 22, 2031

Cancellation DateOct 15, 2021

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KO4TMO

Available2x3District 4

No competing applications on record.

License HolderHANSEN, MARK S

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationMANCHESTER, IA

Grant DateSep 22, 2021

Expiration DateSep 22, 2031

Cancellation DateOct 15, 2021

Available for ApplicationsOct 16, 2023

KO4TMO is a 2x3 format amateur radio callsign. It is currently registered to HANSEN, MARK S in MANCHESTER, IA. 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: 41 units(Heavy (slower to send))

Voice Phonetics

Kilo Oscar Four Tango Mike Oscar

Readability: 8/10(High readability)

This callsign is available now

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

License History

License CanceledOct 15, 2021
License ModifiedOct 7, 2021
System-Generated GrantSep 22, 2021
License IssuedSep 22, 2021

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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← KO4TMN KO4TMP →

FCC data as of Jul 10, 2026

Is KO4TMO Available? FCC Vanity Status & Watchlist