K3RZ
Active1x2District 3
Competitive callsign — 15 applications filed with the FCC.
License HolderMcSwain, Jack R
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationOklahoma City, OK
Grant DateNov 26, 2025
Expiration DateFeb 6, 2036
Competitive callsign — 15 applications filed with the FCC.
Morse Code
-.- ...-- .-. --..
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo Three Romeo Zulu
Readability: 8/10(High readability)
Competing applications filed with the FCC for this callsign.