KR4JSW
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderSchlabach, Tyler G
License ClassTechnician
Min. Class RequiredTechnician
LocationShelby, NC
Grant DateFeb 13, 2026
Expiration DateFeb 13, 2036
KR4JSW is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Schlabach, Tyler G in Shelby, 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 WILLIS JR, JEFFREY S on Jan 12, 2023. KR4JSW has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. ....- .--- ... .--
CW Weight: 39 units(Moderate)
Voice Phonetics
Kilo Romeo Four Juliet Sierra Whiskey
Readability: 6/10(Good readability)
License History
- System-Generated GrantFeb 13, 2026
- License IssuedFeb 13, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- WILLIS JR, JEFFREY SFiled Jan 12, 2023Not awardedFCC ↗