K1MSH
Active1x3District 1
Competitive callsign — 2 applications filed with the FCC.
License HolderHarris, Mark S
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationMelbourne, FL
Grant DateMar 17, 2026
Expiration DateJun 13, 2036
K1MSH is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Harris, Mark S in Melbourne, FL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Harris, Mark S on May 25, 2006. K1MSH has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .---- -- ... ....
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo One Mike Sierra Hotel
Readability: 8/10(High readability)
License History
- License RenewedMar 17, 2026
- Administrative Update AppliedOct 18, 2019
- License RenewedApr 1, 2016
- License IssuedJun 13, 2006
- Vanity Callsign GrantedJun 13, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.