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KC3RFR

Active2x3District 3

Competitive callsign — 1 application filed with the FCC.

License HolderRosenzweig, Robert

License ClassGeneral

Min. Class RequiredTechnician

LocationLevittown, PA

Grant DateJan 1, 2021

Expiration DateJan 1, 2031

KC3RFR is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Rosenzweig, Robert in Levittown, 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 Rosenzweig, Robert on Dec 14, 2020. KC3RFR has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 40 units(Moderate)

Voice Phonetics

Kilo Charlie Three Romeo Foxtrot Romeo

Readability: 6.5/10(Good readability)

License History

License ModifiedDec 10, 2021
License IssuedJan 1, 2021
Vanity Callsign GrantedJan 1, 2021

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Rosenzweig, RobertFiled Dec 14, 2020
Not awardedFCC ↗

Search external databases

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← KC3RFQ KC3RFS →

FCC data as of Sep 3, 2026

KC3RFR FCC Vanity Status: 1 Competing Application & History