KS4U
Active2x1District 4
Competitive callsign — 1 application filed with the FCC.
License HolderBARROW JR, ROY S
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationSALISBURY, NC
Grant DateAug 13, 2025
Expiration DateSep 26, 2035
KS4U is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by BARROW JR, ROY S in SALISBURY, NC. 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 BARROW JR, ROY S on Oct 21, 2002. KS4U has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ... ....- ..-
CW Weight: 22 units(Light (fast to send))
Voice Phonetics
Kilo Sierra Four Uniform
Readability: 7.5/10(High readability)
License History
- License RenewedAug 13, 2025
- License RenewedJul 8, 2015
- License RenewedAug 9, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- BARROW JR, ROY SFiled Oct 21, 2002DismissedFCC ↗