KK7SFF
Active2x3District 7
Competitive callsign — 1 application filed with the FCC.
License HolderFoster, Ryan C
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationPrinceton, MI
Grant DateFeb 7, 2026
Expiration DateFeb 7, 2036
KK7SFF is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Foster, Ryan C in Princeton, 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 GUNDERSON, SCOTT A on Jan 20, 2026. KK7SFF has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.- --... ... ..-. ..-.
CW Weight: 38 units(Moderate)
Voice Phonetics
Kilo Kilo Seven Sierra Foxtrot Foxtrot
Readability: 6.5/10(Good readability)
License History
- Administrative Update AppliedFeb 10, 2026
- License IssuedFeb 7, 2026
- Vanity Callsign GrantedFeb 7, 2026
- License CanceledApr 13, 2024
- System-Generated GrantMar 23, 2024
- License IssuedMar 23, 2024
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- GUNDERSON, SCOTT AFiled Jan 20, 2026Not awardedFCC ↗