KU3H
Active2x1District 3
Competitive callsign — 7 applications filed with the FCC.
License HolderWallin, Mark J
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationPhiladelphia, PA
Grant DateAug 13, 2026
Expiration DateOct 25, 2036
Competitive callsign — 7 applications filed with the FCC.
Morse Code
-.- ..- ...-- ....
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
Kilo Uniform Three Hotel
Readability: 8/10(High readability)
Competing applications filed with the FCC for this callsign.