KD3KOS
Active2x3District 3
Competitive callsign — 2 applications filed with the FCC.
License HolderHiggins, Patrick J
License ClassTechnician
Min. Class RequiredTechnician
LocationChurchton, MD
Grant DateMay 27, 2026
Expiration DateMay 27, 2036
KD3KOS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Higgins, Patrick J in Churchton, MD. 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 Higgins, Patrick J on May 8, 2026. KD3KOS has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.. ...-- -.- --- ...
CW Weight: 40 units(Moderate)
Voice Phonetics
Kilo Delta Three Kilo Oscar Sierra
Readability: 7/10(Good readability)
License History
- License IssuedMay 27, 2026
- Vanity Callsign GrantedMay 27, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.