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K4MMK

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderSCHRADER, RONALD J

License ClassGeneral

Min. Class RequiredGeneral

LocationGENEVA, FL

Grant DateFeb 27, 2014

Expiration DateMay 24, 2024

Cancellation DateMay 27, 2026

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K4MMK

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderSCHRADER, RONALD J

License ClassGeneral

Min. Class RequiredGeneral

LocationGENEVA, FL

Grant DateFeb 27, 2014

Expiration DateMay 24, 2024

Cancellation DateMay 27, 2026

Available for ApplicationsMay 25, 2026

K4MMK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SCHRADER, RONALD J in GENEVA, FL. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Andreasen, Stephen on Jan 14, 2025. K4MMK has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 33 units(Moderate)

Voice Phonetics

Kilo Four Mike Mike Kilo

Readability: 9/10(Excellent readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (1x3).

License History

License ExpiredMay 27, 2026
License RenewedFeb 27, 2014
License ModifiedFeb 17, 2012
Tax ID (TIN) AddedFeb 26, 2004

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Andreasen, StephenFiled Jan 14, 2025
Not awardedFCC ↗

Search external databases

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← K4MMJ K4MMM →

FCC data as of Sep 3, 2026

K4MMK FCC Vanity Status: 1 Competing Application & History