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KR4MPS

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderKeisler, Stephen J

License ClassTechnician

Min. Class RequiredTechnician

LocationLexington, SC

Grant DateJun 4, 2026

Expiration DateJun 4, 2036

KR4MPS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Keisler, Stephen J in Lexington, SC. 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 Hinojosa, Jonah E on Sep 15, 2016. KR4MPS has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 36 units(Moderate)

Voice Phonetics

Kilo Romeo Four Mike Papa Sierra

Readability: 7/10(Good readability)

License History

System-Generated GrantJun 4, 2026
License IssuedJun 4, 2026

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Hinojosa, Jonah EFiled Sep 15, 2016
Not awardedFCC ↗

Search external databases

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Explore nearby callsigns

← KR4MPR KR4MPT →

FCC data as of Sep 4, 2026

KR4MPS FCC Vanity Status: 1 Competing Application & History