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W4KKN

Active1x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderTOTTEN, JOHN J

License ClassTechnician

Min. Class RequiredGeneral

LocationLIVERMORE, CA

Grant DateSep 2, 2020

Expiration DateSep 2, 2030

W4KKN is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by TOTTEN, JOHN J in LIVERMORE, CA. 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 Cattail Branch Wireless Society on Feb 3, 2010. W4KKN has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 32 units(Moderate)

Voice Phonetics

Whiskey Four Kilo Kilo November

Readability: 7.5/10(High readability)

License History

License RenewedSep 2, 2020
License IssuedFeb 23, 2010
Vanity Callsign GrantedFeb 23, 2010

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Cattail Branch Wireless SocietyFiled Feb 3, 2010
Not awardedFCC ↗
Summit County Radio ClubFiled Feb 3, 2010
Not awardedFCC ↗

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FCC data as of Sep 4, 2026

W4KKN FCC Vanity Status: 2 Competing Applications & History