KN4IWO
Active2x3District 4
No competing applications on record.
License HolderKRUMNACHER, MARTIN G
License ClassGeneral
Min. Class RequiredTechnician
LocationCrossville, TN
Grant DateJan 16, 2018
Expiration DateJan 16, 2028
KN4IWO is a 2x3 format amateur radio callsign. It is currently registered to KRUMNACHER, MARTIN G in Crossville, TN. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
-.- -. ....- .. .-- ---
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo November Four India Whiskey Oscar
Readability: 6.5/10(Good readability)
License History
- Administrative Update AppliedMay 27, 2026
- License ModifiedAug 26, 2021
- License ModifiedAug 26, 2021
- Administrative Update AppliedJul 22, 2021
- System-Generated GrantJan 16, 2018
- License IssuedJan 16, 2018
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.