KK4W
Expired2x1District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderCOFFIN, JOHN E
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationMIAMI, FL
Grant DateOct 3, 2014
Expiration DateDec 22, 2024
Available for ApplicationsDec 23, 2026
KK4W is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by COFFIN, JOHN E in MIAMI, 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 Ingrande, Nicholas on Oct 20, 2026. KK4W has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-.- -.- ....- .--
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Kilo Kilo Four Whiskey
Readability: 8.5/10(High readability)
Available Dec 23, 2026 (53 days remaining)
Requires Amateur Extra license or higher to apply for this callsign format (2x1).
License History
- License RenewedOct 3, 2014
Vanity Application Activity
Competing applications filed with the FCC for this callsign.