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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.

Maxie Jr, Felton MFiled Jul 24, 2020
Not awardedFCC ↗
BISBEE, DANIEL AFiled Mar 27, 2006
Not awardedFCC ↗
Bradley, Tony WFiled Mar 27, 2006
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K9BIY K9BJA →

FCC data as of Jul 31, 2026

K9BIZ FCC Vanity Status: 3 Competing Applications & History