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/KC3DSO

← Back to results

KC3DSO

Active2x3District 3

Competitive callsign — 1 application filed with the FCC.

License HolderBEACH, ORVILLE K

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationSIMI VALLEY, CA

Grant DateSep 6, 2024

Expiration DateOct 30, 2034

KC3DSO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by BEACH, ORVILLE K in SIMI VALLEY, 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 Ordonio, Denise S on May 19, 2017. KC3DSO has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

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

Voice Phonetics

Kilo Charlie Three Delta Sierra Oscar

Readability: 7/10(Good readability)

License History

License RenewedSep 6, 2024
Administrative Update AppliedMay 21, 2022
License ModifiedFeb 2, 2015
System-Generated GrantOct 30, 2014
License IssuedOct 30, 2014

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Ordonio, Denise SFiled May 19, 2017
DismissedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KC3DSN KC3DSP →

FCC data as of Sep 3, 2026

KC3DSO FCC Vanity Status: 1 Competing Application & History