K4SZS
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderHayes, John B
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationAtlanta, GA
Grant DateJul 1, 2025
Expiration DateAug 5, 2035
K4SZS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Hayes, John B in Atlanta, GA. 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 Hayes, John B on Jul 18, 2005. K4SZS has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ... --.. ...
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Kilo Four Sierra Zulu Sierra
Readability: 7/10(Good readability)
License History
- License RenewedJul 1, 2025
- Administrative Update AppliedNov 28, 2020
- Administrative Update AppliedNov 24, 2020
- Administrative Update AppliedOct 6, 2020
- License RenewedMay 9, 2015
- License ModifiedAug 9, 2005
- License IssuedAug 5, 2005
- Vanity Callsign GrantedAug 5, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Hayes, John BFiled Jul 18, 2005Not awardedFCC ↗