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KC3JSR

Active2x3District 3

Competitive callsign — 1 application filed with the FCC.

License HolderFrederickson, Jonathan E

License ClassTechnician

Min. Class RequiredTechnician

LocationHaddon Township, NJ

Grant DateAug 31, 2017

Expiration DateAug 31, 2027

KC3JSR is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Frederickson, Jonathan E in Haddon Township, NJ. 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 Royek, Joseph S on Oct 31, 2014. KC3JSR has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

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

Voice Phonetics

Kilo Charlie Three Juliet Sierra Romeo

Readability: 6/10(Good readability)

License History

Administrative Update AppliedSep 7, 2022
Administrative Update AppliedFeb 22, 2022
System-Generated GrantAug 31, 2017
License IssuedAug 31, 2017

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Royek, Joseph SFiled Oct 31, 2014
Not awardedFCC ↗

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← KC3JSQ KC3JSS →

FCC data as of Sep 4, 2026

KC3JSR FCC Vanity Status: 1 Competing Application & History