K1SKM
Active1x3District 1
Competitive callsign — 4 applications filed with the FCC.
License HolderMark, Stephen K
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationCedar Falls, IA
Grant DateAug 24, 2018
Expiration DateAug 24, 2028
K1SKM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Mark, Stephen K in Cedar Falls, IA. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by McConkey, Steven K on Jan 29, 2026. K1SKM has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .---- ... -.- --
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo One Sierra Kilo Mike
Readability: 8/10(High readability)
License History
- License IssuedAug 24, 2018
- Vanity Callsign GrantedAug 24, 2018
Vanity Application Activity
Competing applications filed with the FCC for this callsign.