KY4SW
Active2x2District 4
Competitive callsign — 1 application filed with the FCC.
License HolderCowan, Mike F
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationKnoxville, TN
Grant DateAug 7, 2025
Expiration DateAug 14, 2035
KY4SW is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Cowan, Mike F in Knoxville, TN. 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 Walters, Samuel J on Oct 11, 2022. KY4SW has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-- ....- ... .--
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Yankee Four Sierra Whiskey
Readability: 7.5/10(High readability)
License History
- License RenewedAug 7, 2025
- License IssuedNov 7, 2022
- System-Generated GrantNov 7, 2022
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Walters, Samuel JFiled Oct 11, 2022Not awardedFCC ↗