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K7JKO

Active1x3District 7

Competitive callsign — 1 application filed with the FCC.

License HolderOberholtzer, John K

License ClassGeneral

Min. Class RequiredGeneral

LocationSeattle, WA

Grant DateFeb 2, 2022

Expiration DateFeb 7, 2032

K7JKO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Oberholtzer, John K in Seattle, WA. 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 Oberholtzer, John K on Jan 18, 2012. K7JKO has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 42 units(Heavy (slower to send))

Voice Phonetics

Kilo Seven Juliet Kilo Oscar

Readability: 7/10(Good readability)

License History

License RenewedFeb 2, 2022
Administrative Update AppliedJan 13, 2021
Administrative Update AppliedJan 26, 2016
License IssuedFeb 7, 2012
Vanity Callsign GrantedFeb 7, 2012

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Oberholtzer, John KFiled Jan 18, 2012
Not awardedFCC ↗

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← K7JKM K7JKP →

FCC data as of Sep 4, 2026

K7JKO FCC Vanity Status: 1 Competing Application & History