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K8MRT

Active1x3District 8

Competitive callsign — 1 application filed with the FCC.

License HolderSeper, Karl W

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationAlto, MI

Grant DateApr 22, 2025

Expiration DateJun 30, 2035

K8MRT is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Seper, Karl W in Alto, MI. 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 Seper, Karl W on Jun 12, 2015. K8MRT has 8 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 32 units(Moderate)

Voice Phonetics

Kilo Eight Mike Romeo Tango

Readability: 8/10(High readability)

License History

License RenewedApr 22, 2025
Administrative Update AppliedApr 22, 2025
License IssuedJun 30, 2015
Vanity Callsign GrantedJun 30, 2015
License ExpiredFeb 26, 2014
Tax ID (TIN) AddedNov 28, 2001
Tax ID (TIN) AddedNov 28, 2001
License RenewedNov 28, 2001

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Seper, Karl WFiled Jun 12, 2015
Not awardedFCC ↗

Search external databases

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Explore nearby callsigns

← K8MRS K8MRW →

FCC data as of Jul 31, 2026

K8MRT FCC Vanity Status: 1 Competing Application & History