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K3JSE

Active1x3District 3

Competitive callsign — 1 application filed with the FCC.

License HolderCooper, William A

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationDowningtown, PA

Grant DateNov 15, 2023

Expiration DateFeb 10, 2034

K3JSE is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Cooper, William A in Downingtown, PA. 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 Cooper, William A on Jan 22, 2004. K3JSE has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 30 units(Light (fast to send))

Voice Phonetics

Kilo Three Juliet Sierra Echo

Readability: 7/10(Good readability)

License History

License RenewedNov 15, 2023
License RenewedNov 19, 2013
License ModifiedApr 3, 2012
License ModifiedMar 30, 2012
License IssuedFeb 10, 2004
Vanity Callsign GrantedFeb 10, 2004

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Cooper, William AFiled Jan 22, 2004
Not awardedFCC ↗

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FCC data as of Sep 4, 2026

K3JSE FCC Vanity Status: 1 Competing Application & History