W5MCU
Active1x3District 5
Competitive callsign — 1 application filed with the FCC.
License HolderUnderkofler, Mark C
License ClassGeneral
Min. Class RequiredGeneral
LocationArlington, TX
Grant DateOct 14, 2026
Expiration DateOct 22, 2036
W5MCU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Underkofler, Mark C in Arlington, TX. 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 Underkofler, Mark C on Oct 4, 2016. W5MCU has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ..... -- -.-. ..-
CW Weight: 31 units(Moderate)
Voice Phonetics
Whiskey Five Mike Charlie Uniform
Readability: 8/10(High readability)
License History
- License RenewedOct 14, 2026
- Administrative Update AppliedOct 14, 2026
- License ModifiedNov 4, 2016
- License IssuedOct 22, 2016
- Vanity Callsign GrantedOct 22, 2016
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Underkofler, Mark CFiled Oct 4, 2016Not awardedFCC ↗