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/KM4CER

← Back to results

KM4CER

Active2x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderTHOMAS, MATT S

License ClassGeneral

Min. Class RequiredTechnician

LocationFAIRDALE, KY

Grant DateJul 24, 2025

Expiration DateJun 16, 2034

KM4CER is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by THOMAS, MATT S in FAIRDALE, KY. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by REEVE, CHARLES E on Jun 27, 2016. KM4CER has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 34 units(Moderate)

Voice Phonetics

Kilo Mike Four Charlie Echo Romeo

Readability: 7.5/10(High readability)

License History

Administrative Update AppliedJul 31, 2025
License RenewedJul 24, 2025
Administrative Update AppliedJul 24, 2025
License ModifiedSep 18, 2014
System-Generated GrantJun 16, 2014
License IssuedJun 16, 2014

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

REEVE, CHARLES EFiled Jun 27, 2016
Not awardedFCC ↗
JOHNSTON SR, ROBERT GFiled Oct 24, 2011
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KM4CEQ KM4CES →

FCC data as of Jul 29, 2026

KM4CER FCC Vanity Status: 2 Competing Applications & History