W4MPA
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderC., Sean
License ClassTechnician
Min. Class RequiredGeneral
LocationPortland, OR
Grant DateNov 29, 2025
Expiration DateDec 19, 2035
W4MPA is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by C., Sean in Portland, OR. 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 Aubut, Michael P on Aug 27, 2026. W4MPA has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -- .--. .-
CW Weight: 32 units(Moderate)
Voice Phonetics
Whiskey Four Mike Papa Alpha
Readability: 8.5/10(High readability)
License History
- License RenewedNov 29, 2025
- License IssuedDec 19, 2015
- Vanity Callsign GrantedDec 19, 2015
- License ExpiredNov 21, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.