K1SJM
Active1x3District 1
Competitive callsign — 2 applications filed with the FCC.
License HolderMauchline, Stephen J
License ClassTechnician
Min. Class RequiredGeneral
LocationBrookline, NH
Grant DateMar 21, 2026
Expiration DateMar 21, 2036
K1SJM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Mauchline, Stephen J in Brookline, NH. 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 Mauchline, Stephen J on Mar 3, 2026. K1SJM has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .---- ... .--- --
CW Weight: 39 units(Moderate)
Voice Phonetics
Kilo One Sierra Juliet Mike
Readability: 7.5/10(High readability)
License History
- License IssuedMar 21, 2026
- Vanity Callsign GrantedMar 21, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.