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K7RBZ

Active1x3District 7

Competitive callsign — 2 applications filed with the FCC.

License HolderKarbo, Christopher O

License ClassTechnician

Min. Class RequiredGeneral

LocationLos Angeles, CA

Grant DateJan 28, 2020

Expiration DateJan 28, 2030

K7RBZ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Karbo, Christopher O in Los Angeles, CA. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Brazil, Ralph A on Jun 28, 2021. K7RBZ has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo Seven Romeo Bravo Zulu

Readability: 7/10(Good readability)

License History

License IssuedJan 28, 2020
Vanity Callsign GrantedJan 28, 2020

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Brazil, Ralph AFiled Jun 28, 2021
Not awardedFCC ↗
Karbo, Christopher OFiled Jan 8, 2020
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K7RBY K7RCA →

FCC data as of Sep 3, 2026

K7RBZ FCC Vanity Status: 2 Competing Applications & History