KF4SDR
Available2x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderMills, Andy
License ClassGeneral
Min. Class RequiredTechnician
LocationCanton, GA
Grant DateMay 30, 1997
Expiration DateMay 30, 2007
Cancellation DateJun 2, 2009
Available for ApplicationsMay 31, 2009
KF4SDR is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Mills, Andy in Canton, GA. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by HARRISON, MARSHALL K on Aug 12, 2026. KF4SDR has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-.- ..-. ....- ... -.. .-.
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Foxtrot Four Sierra Delta Romeo
Readability: 6.5/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredJun 2, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.