KR1SBM
Active2x3District 1
Competitive callsign — 1 application filed with the FCC.
License HolderMASTERS, STEVEN B
License ClassGeneral
Min. Class RequiredTechnician
LocationKNOXVILLE, TN
Grant DateFeb 27, 2026
Expiration DateFeb 27, 2036
KR1SBM is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by MASTERS, STEVEN B in KNOXVILLE, TN. 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 MASTERS, STEVEN B on Feb 9, 2026. KR1SBM has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. .---- ... -... --
CW Weight: 40 units(Moderate)
Voice Phonetics
Kilo Romeo One Sierra Bravo Mike
Readability: 7/10(Good readability)
License History
- License IssuedFeb 27, 2026
- Vanity Callsign GrantedFeb 27, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- MASTERS, STEVEN BFiled Feb 9, 2026Not awardedFCC ↗