Home/Search/KM4UMC

KM4UMC

Expired2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderCALDWELL JR, JAMES R

License ClassAdvanced

Min. Class RequiredTechnician

LocationMonson, MA

Grant DateJun 8, 2016

Expiration DateJun 8, 2026

Available for ApplicationsJun 9, 2028

CallsignFinder

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

Legal & Info

Pricing FAQ Terms of Service Privacy Policy

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

Watchlist Search Account

Home/Search/KM4UMC

← Back to results

KM4UMC

Expired2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderCALDWELL JR, JAMES R

License ClassAdvanced

Min. Class RequiredTechnician

LocationMonson, MA

Grant DateJun 8, 2016

Expiration DateJun 8, 2026

Available for ApplicationsJun 9, 2028

KM4UMC is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by CALDWELL JR, JAMES R in Monson, MA. 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 Dow, Jeremiah B on Dec 9, 2024. KM4UMC has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 39 units(Moderate)

Voice Phonetics

Kilo Mike Four Uniform Mike Charlie

Readability: 8/10(High readability)

Available Jun 9, 2028 (635 days remaining)

Requires Technician license or higher to apply for this callsign format (2x3).

License History

System-Generated GrantJun 8, 2016
License IssuedJun 8, 2016

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Dow, Jeremiah BFiled Dec 9, 2024
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KM4UMB KM4UMD →

FCC data as of Sep 12, 2026

KM4UMC FCC Vanity Status: 1 Competing Application & History