N4KDO
Available1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderBROWN, MELISSA D
License ClassTechnician
Min. Class RequiredGeneral
LocationSIMPSONVILLE, SC
Grant DateJun 9, 2004
Expiration DateAug 6, 2014
Cancellation DateAug 9, 2016
Available for ApplicationsAug 7, 2016
N4KDO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by BROWN, MELISSA D in SIMPSONVILLE, SC. 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 Horne, Ron on Jun 25, 2026. N4KDO has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- -.- -.. ---
CW Weight: 32 units(Moderate)
Voice Phonetics
November Four Kilo Delta Oscar
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredAug 9, 2016
- Tax ID (TIN) AddedJun 9, 2004
- License RenewedJun 9, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Horne, RonFiled Jun 25, 2026Not awardedFCC ↗