KN4IWR
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderWaldorf, Ivan R
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationRaleigh, NC
Grant DateFeb 18, 2026
Expiration DateFeb 18, 2036
KN4IWR is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Waldorf, Ivan R in Raleigh, 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 Waldorf, Ivan R on Jan 28, 2026. KN4IWR has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -. ....- .. .-- .-.
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo November Four India Whiskey Romeo
Readability: 6/10(Good readability)
License History
- License ModifiedApr 28, 2026
- License ModifiedFeb 24, 2026
- License IssuedFeb 18, 2026
- Vanity Callsign GrantedFeb 18, 2026
- License CanceledMar 7, 2020
- License IssuedJan 16, 2018
- System-Generated GrantJan 16, 2018
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Waldorf, Ivan RFiled Jan 28, 2026Not awardedFCC ↗