CFCallsignFinder

Search Watchlist

Track FCC amateur radio vanity callsign availability. Data updated daily.

Legal & Info

Pricing FAQ Terms of Service Privacy Policy

© 2026 CallsignFinder. All rights reserved.

FCC data sourced from FCC Universal Licensing System. Not affiliated with the FCC.

Watchlist Search Account

Home/Search/KC3RBB

← Back to results

KC3RBB

Active2x3District 3

Competitive callsign — 1 application filed with the FCC.

License HolderBENSON, CHARLES E

License ClassTechnician

Min. Class RequiredTechnician

LocationWEST HILLS, CA

Grant DateJan 25, 2021

Expiration DateJan 25, 2031

KC3RBB is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by BENSON, CHARLES E in WEST HILLS, CA. 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 Barnhouse, Robert B on Oct 13, 2016. KC3RBB has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 41 units(Heavy (slower to send))

Voice Phonetics

Kilo Charlie Three Romeo Bravo Bravo

Readability: 7/10(Good readability)

License History

License ModifiedAug 18, 2022
License ModifiedMay 24, 2021
System-Generated GrantJan 25, 2021
License IssuedJan 25, 2021

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Barnhouse, Robert BFiled Oct 13, 2016
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KC3RBA KC3RBC →

FCC data as of Sep 3, 2026

KC3RBB FCC Vanity Status: 1 Competing Application & History