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.