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KN0KN

Active2x2District 0

Competitive callsign — 1 application filed with the FCC.

License HolderNELSON, KARL R

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationLAKEWOOD, CO

Grant DateNov 22, 2025

Expiration DateJul 17, 2035

KN0KN is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by NELSON, KARL R in LAKEWOOD, CO. 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 Nelson, Karl R on Jun 29, 2015. KN0KN has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

-.- -. ----- -.- -.

CW Weight: 37 units(Moderate)

Voice Phonetics

Kilo November Zero Kilo November

Readability: 6.5/10(Good readability)

License History

Administrative Update AppliedDec 1, 2025
License RenewedNov 22, 2025
License IssuedJul 17, 2015
Vanity Callsign GrantedJul 17, 2015

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Nelson, Karl RFiled Jun 29, 2015
Not awardedFCC ↗

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FCC data as of Sep 4, 2026

KN0KN FCC Vanity Status: 1 Competing Application & History