CFCallsignFinder

Search Watchlist

Track FCC amateur radio vanity callsign availability. Data updated daily.

Legal & Info

Pricing FAQ Terms of Service Privacy Policy

© 2026 CallsignFinder. All rights reserved.

FCC data sourced from FCC Universal Licensing System. Not affiliated with the FCC.

Watchlist Search Account

Home/Search/KM1O

← Back to results

KM1O

Active2x1District 1

Competitive callsign — 3 applications filed with the FCC.

License HolderWALLIN, JEFFREY M

License ClassTechnician

Min. Class RequiredAmateur Extra

LocationGlyndon, MN

Grant DateMay 1, 2019

Expiration DateJul 25, 2029

KM1O is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by WALLIN, JEFFREY M in Glyndon, 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 Clark, Michael J on Jul 7, 2009. KM1O has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

-.- -- .---- ---

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo Mike One Oscar

Readability: 9/10(Excellent readability)

License History

Administrative Update AppliedMay 30, 2019
License RenewedMay 1, 2019
Administrative Update AppliedJan 31, 2019
License IssuedJul 25, 2009
Vanity Callsign GrantedJul 25, 2009
License ExpiredApr 3, 2009

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Clark, Michael JFiled Jul 7, 2009
Not awardedFCC ↗
Stockland, RobertFiled Jul 7, 2009
Not awardedFCC ↗
Joyner, Bruce WFiled May 11, 2009
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KM1N KM1P →

FCC data as of Jul 29, 2026

KM1O FCC Vanity Status: 3 Competing Applications & History