KR4INR
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderNolton JR, David M
License ClassTechnician
Min. Class RequiredTechnician
LocationWASHINGTON, DC
Grant DateSep 3, 2025
Expiration DateSep 3, 2035
KR4INR is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Nolton JR, David M in WASHINGTON, DC. 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 Ribble, Ian R on Aug 14, 2025. KR4INR has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. ....- .. -. .-.
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Kilo Romeo Four India November Romeo
Readability: 5.5/10(Moderate readability)
License History
- License ModifiedMay 21, 2026
- License IssuedSep 3, 2025
- Vanity Callsign GrantedSep 3, 2025
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Ribble, Ian RFiled Aug 14, 2025Not awardedFCC ↗