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KJ4FOO

Available2x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderKING, SHERRY D

License ClassTechnician

Min. Class RequiredTechnician

LocationBowling Green, KY

Grant DateJul 31, 2008

Expiration DateJul 31, 2018

Cancellation DateJan 28, 2014

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KJ4FOO

Available2x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderKING, SHERRY D

License ClassTechnician

Min. Class RequiredTechnician

LocationBowling Green, KY

Grant DateJul 31, 2008

Expiration DateJul 31, 2018

Cancellation DateJan 28, 2014

Available for ApplicationsJan 29, 2016

KJ4FOO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by KING, SHERRY D in Bowling Green, KY. 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 FOO, CHUAN YU on Oct 20, 2020. KJ4FOO has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 48 units(Heavy (slower to send))

Voice Phonetics

Kilo Juliet Four Foxtrot Oscar Oscar

Readability: 7/10(Good readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License CanceledJan 28, 2014
Administrative Update AppliedMay 5, 2009
System-Generated GrantJul 31, 2008
License IssuedJul 31, 2008

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

FOO, CHUAN YUFiled Oct 20, 2020
Not awardedFCC ↗
Fuster, Joel JFiled May 10, 2017
Not awardedFCC ↗

Search external databases

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← KJ4FON KJ4FOP →

FCC data as of Sep 12, 2026

KJ4FOO FCC Vanity Status: 2 Competing Applications & History