KO1RKO
Active2x3District 1
Competitive callsign — 1 application filed with the FCC.
License HolderOswald, Robert K
License ClassGeneral
Min. Class RequiredTechnician
LocationManassas, VA
Grant DateMay 2, 2025
Expiration DateMay 2, 2035
KO1RKO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Oswald, Robert K in Manassas, VA. 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 Oswald, Robert K on Apr 14, 2025. KO1RKO has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- .---- .-. -.- ---
CW Weight: 50 units(Heavy (slower to send))
Voice Phonetics
Kilo Oscar One Romeo Kilo Oscar
Readability: 7/10(Good readability)
License History
- License IssuedMay 2, 2025
- Vanity Callsign GrantedMay 2, 2025
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Oswald, Robert KFiled Apr 14, 2025Not awardedFCC ↗