K4MAC
Active1x3District 4
Competitive callsign — 8 applications filed with the FCC.
License HolderAllen, Adam W
License ClassTechnician
Min. Class RequiredGeneral
LocationDurham, NC
Grant DateFeb 24, 2017
Expiration DateFeb 24, 2027
K4MAC is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Allen, Adam W in Durham, NC. This callsign has attracted significant interest in the amateur radio community, with 8 vanity applications filed with the FCC. The most recent was submitted by Briggs, Marcus on Mar 2, 2026. K4MAC has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -- .- -.-.
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Four Mike Alpha Charlie
Readability: 8.5/10(High readability)
License History
- Administrative Update AppliedOct 10, 2018
- License IssuedFeb 24, 2017
- Vanity Callsign GrantedFeb 24, 2017
- License ExpiredFeb 3, 2017
- Tax ID (TIN) AddedDec 8, 2004
- License RenewedDec 8, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.