Home/Search/KK4SUM

KK4SUM

Available2x3District 4

No competing applications on record.

License HolderYarbrough, Larry C

License ClassTechnician

Min. Class RequiredTechnician

LocationFlovilla, GA

Grant DateJul 26, 2013

Expiration DateJul 26, 2023

Cancellation DateJul 29, 2025

CallsignFinder

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

Legal & Info

Pricing FAQ Terms of Service Privacy Policy

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

Watchlist Search Account

Home/Search/KK4SUM

← Back to results

KK4SUM

Available2x3District 4

No competing applications on record.

License HolderYarbrough, Larry C

License ClassTechnician

Min. Class RequiredTechnician

LocationFlovilla, GA

Grant DateJul 26, 2013

Expiration DateJul 26, 2023

Cancellation DateJul 29, 2025

Available for ApplicationsJul 27, 2025

KK4SUM is a 2x3 format amateur radio callsign. It is currently registered to Yarbrough, Larry C in Flovilla, GA. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo Kilo Four Sierra Uniform Mike

Readability: 7/10(Good readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License ExpiredJul 29, 2025
System-Generated GrantJul 26, 2013
License IssuedJul 26, 2013

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

No competing applications on record. Verify on the FCC ULS application search before filing.

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KK4SUL KK4SUN →

FCC data as of Jul 31, 2026

Is KK4SUM Available? FCC Vanity Status & Watchlist