KR4ISS
Active2x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderBRAUN, MATTHEW J
License ClassTechnician
Min. Class RequiredTechnician
LocationChampaign, IL
Grant DateNov 15, 2016
Expiration DateNov 15, 2026
KR4ISS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by BRAUN, MATTHEW J in Champaign, IL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Helverson, Kriss A on Oct 28, 2016. KR4ISS has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. ....- .. ... ...
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Kilo Romeo Four India Sierra Sierra
Readability: 5.5/10(Moderate readability)
License History
- License ModifiedJan 7, 2026
- Administrative Update AppliedJan 20, 2021
- License IssuedNov 15, 2016
- Vanity Callsign GrantedNov 15, 2016
Vanity Application Activity
Competing applications filed with the FCC for this callsign.