KW4SW
Active2x2District 4
Competitive callsign — 1 application filed with the FCC.
License HolderBolton, Timothy J
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationCrossville, AL
Grant DateSep 13, 2022
Expiration DateSep 13, 2032
KW4SW is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Bolton, Timothy J in Crossville, AL. 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 Bolton, Timothy J on Aug 23, 2022. KW4SW has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-- ....- ... .--
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Whiskey Four Sierra Whiskey
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedNov 26, 2025
- Administrative Update AppliedNov 26, 2025
- License IssuedSep 13, 2022
- Vanity Callsign GrantedSep 13, 2022
- License CanceledApr 19, 2016
- System-Generated GrantMar 29, 2016
- License IssuedMar 29, 2016
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Bolton, Timothy JFiled Aug 23, 2022Not awardedFCC ↗