KF4CPU
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderBusch, Kenneth L
License ClassGeneral
Min. Class RequiredTechnician
LocationSpringfield, VA
Grant DateAug 18, 1995
Expiration DateAug 18, 2005
Cancellation DateAug 19, 2007
Available for ApplicationsAug 19, 2007
KF4CPU is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Busch, Kenneth L in Springfield, VA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Clark, Stephanie R on Jul 10, 2025. KF4CPU has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-.- ..-. ....- -.-. .--. ..-
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Foxtrot Four Charlie Papa Uniform
Readability: 7/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredAug 19, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Clark, Stephanie RFiled Jul 10, 2025Not awardedFCC ↗