K4APM
Active1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderBARTON JR, DON B
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationKEY LARGO, FL
Grant DateAug 19, 2025
Expiration DateAug 19, 2035
K4APM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by BARTON JR, DON B in KEY LARGO, FL. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Miller, Addison D on Jul 30, 2025. K4APM has 10 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .- .--. --
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Four Alpha Papa Mike
Readability: 8.5/10(High readability)
License History
- Vanity Callsign GrantedAug 19, 2025
- License IssuedAug 19, 2025
- License CanceledJul 27, 2021
- License ModifiedNov 13, 2020
- Vanity Callsign GrantedMay 12, 2020
- License IssuedMay 12, 2020
- License ExpiredJan 15, 2020
- Authorization PrintedDec 3, 2008
- License RenewedNov 22, 2007
- Tax ID (TIN) AddedNov 20, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.