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K3AMU

Active1x3District 3

Competitive callsign — 2 applications filed with the FCC.

License HolderFeinberg, Michael

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationPhiladelphia, PA

Grant DateDec 9, 2025

Expiration DateDec 9, 2035

K3AMU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Feinberg, Michael in Philadelphia, PA. 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 Feinberg, Michael on Sep 19, 2025. K3AMU has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 31 units(Moderate)

Voice Phonetics

Kilo Three Alpha Mike Uniform

Readability: 8/10(High readability)

License History

License ModifiedJan 21, 2026
License IssuedDec 9, 2025
Vanity Callsign GrantedDec 9, 2025

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Feinberg, MichaelFiled Sep 19, 2025
Not awardedFCC ↗
Feinberg, MichaelFiled Sep 17, 2025
DismissedFCC ↗

Search external databases

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← K3AMP K3AMW →

FCC data as of Sep 3, 2026

K3AMU FCC Vanity Status: 2 Competing Applications & History