KU5X
Active2x1District 5
Competitive callsign — 2 applications filed with the FCC.
License HolderMason, Michael R
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationDenver, CO
Grant DateFeb 24, 2023
Expiration DateMay 2, 2033
KU5X is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Mason, Michael R in Denver, CO. 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 Mason, Michael R on Apr 14, 2003. KU5X has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..- ..... -..-
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
Kilo Uniform Five X-ray
Readability: 8/10(High readability)
License History
- License RenewedFeb 24, 2023
- License RenewedFeb 14, 2013
- License IssuedMay 2, 2003
- Vanity Callsign GrantedMay 2, 2003
- License ExpiredMar 27, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.