K4DI
Active1x2District 4
Competitive callsign — 32 applications filed with the FCC.
License HolderKoeller, Robert
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationMountain Brk, AL
Grant DateOct 17, 2026
Expiration DateOct 17, 2036
K4DI is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Koeller, Robert in Mountain Brk, AL. This callsign has attracted significant interest in the amateur radio community, with 32 vanity applications filed with the FCC. The most recent was submitted by Wood, Richard on Oct 9, 2026. K4DI has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -.. ..
CW Weight: 21 units(Light (fast to send))
Voice Phonetics
Kilo Four Delta India
Readability: 8/10(High readability)
License History
- Vanity Callsign GrantedOct 17, 2026
- License IssuedOct 17, 2026
- License ExpiredOct 1, 2026
- License RenewedJul 9, 2014
- Vanity Callsign GrantedSep 28, 2004
- License IssuedSep 28, 2004
- Internal Correction AppliedSep 9, 2004
- Internal Correction AppliedSep 9, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.