K9BIZ
Active1x3District 9
Competitive callsign — 3 applications filed with the FCC.
License HolderTOLLEFSRUD, THOMAS T
License ClassTechnician
Min. Class RequiredGeneral
LocationSPRING GROVE, MN
Grant DateJan 31, 2026
Expiration DateApr 15, 2036
K9BIZ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by TOLLEFSRUD, THOMAS T in SPRING GROVE, MN. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Maxie Jr, Felton M on Jul 24, 2020. K9BIZ has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----. -... .. --..
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Nine Bravo India Zulu
Readability: 7.5/10(High readability)
License History
- License RenewedJan 31, 2026
- License RenewedMar 2, 2016
- License ModifiedJan 7, 2013
- License IssuedApr 15, 2006
- Vanity Callsign GrantedApr 15, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.