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KK7S

Active2x1District 7

Competitive callsign — 5 applications filed with the FCC.

License HolderKnowlton, Chadd B

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationMedina, WA

Grant DateJul 7, 2020

Expiration DateJul 7, 2030

KK7S is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Knowlton, Chadd B in Medina, WA. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Dowd, Gerald on Apr 23, 2025. KK7S has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 26 units(Light (fast to send))

Voice Phonetics

Kilo Kilo Seven Sierra

Readability: 7.5/10(High readability)

License History

License RenewedJul 7, 2020
License IssuedJan 26, 2010
Vanity Callsign GrantedJan 26, 2010
License ExpiredJan 7, 2010

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Dowd, GeraldFiled Apr 23, 2025
DismissedFCC ↗
WARREN, BRADLEYFiled Dec 11, 2024
DismissedFCC ↗
Gangisetty, SahyuFiled Jan 7, 2010
Not awardedFCC ↗
Knowlton, Chadd BFiled Jan 7, 2010

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KK7R KK7T →

FCC data as of Sep 3, 2026

Not awarded

FIELDS, R WAYNEFiled May 28, 2009

DismissedFCC ↗

KK7S FCC Vanity Status: 5 Competing Applications & History