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, 2015Not awardedFCC ↗