KF4MUO
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderGUEST, MICHAEL R
License ClassGeneral
Min. Class RequiredTechnician
LocationLINCOLN, NE
Grant DateNov 4, 1996
Expiration DateJun 25, 2001
Cancellation DateMay 12, 2001
Available for ApplicationsMay 13, 2003
KF4MUO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by GUEST, MICHAEL R in LINCOLN, NE. 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 Guest, Michael on Nov 26, 2025. KF4MUO has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..-. ....- -- ..- ---
CW Weight: 40 units(Moderate)
Voice Phonetics
Kilo Foxtrot Four Mike Uniform Oscar
Readability: 7.5/10(High readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledMay 12, 2001
- License RenewedMay 12, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Guest, MichaelFiled Nov 26, 2025Not awardedFCC ↗