AC4KR
Available2x2District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderBOYD, WILLIAM H
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationDADE CITY, FL
Grant DateAug 30, 2011
Expiration DateOct 22, 2021
Cancellation DateOct 24, 2023
Available for ApplicationsOct 23, 2023
AC4KR is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by BOYD, WILLIAM H in DADE CITY, FL. 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 Roberts III, Charles K on Nov 21, 2025. AC4KR has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- -.-. ....- -.- .-.
CW Weight: 31 units(Moderate)
Voice Phonetics
Alpha Charlie Four Kilo Romeo
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredOct 24, 2023
- License RenewedAug 30, 2011
- Tax ID (TIN) AddedJul 25, 2001
- License RenewedJul 25, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.