N4USD
Active1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderSwanson, Mark H
License ClassTechnician
Min. Class RequiredGeneral
LocationWoodbury, MN
Grant DateJun 28, 2025
Expiration DateJun 28, 2035
N4USD is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Swanson, Mark H in Woodbury, MN. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Williams, David J on Jun 10, 2025. N4USD has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- ..- ... -..
CW Weight: 24 units(Light (fast to send))
Voice Phonetics
November Four Uniform Sierra Delta
Readability: 6.5/10(Good readability)
License History
- Administrative Update AppliedJul 1, 2025
- License IssuedJun 28, 2025
- Vanity Callsign GrantedJun 28, 2025
- License ExpiredDec 18, 2020
- Tax ID (TIN) AddedSep 18, 2008
- License RenewedSep 18, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.