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/KF4ME

← Back to results

KF4ME

Active2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderKoponen, Mark A

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationGrand Forks, ND

Grant DateSep 2, 2020

Expiration DateNov 9, 2030

KF4ME is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Koponen, Mark A in Grand Forks, ND. 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 Koponen, Mark A on Oct 20, 2010. KF4ME has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 27 units(Light (fast to send))

Voice Phonetics

Kilo Foxtrot Four Mike Echo

Readability: 8.5/10(High readability)

License History

License RenewedSep 2, 2020
Administrative Update AppliedFeb 8, 2011
License IssuedNov 9, 2010
Vanity Callsign GrantedNov 9, 2010
License ExpiredJul 13, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Koponen, Mark AFiled Oct 20, 2010
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KF4MD KF4MF →

FCC data as of Sep 3, 2026

KF4ME FCC Vanity Status: 1 Competing Application & History