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/K9WOC

← Back to results

K9WOC

Active1x3District 9

Competitive callsign — 3 applications filed with the FCC.

License HolderRiedel, Cheryl M

License ClassGeneral

Min. Class RequiredGeneral

LocationBrookfield, WI

Grant DateDec 23, 2016

Expiration DateDec 23, 2026

K9WOC is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Riedel, Cheryl M in Brookfield, WI. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Riedel, Cheryl M on Dec 5, 2016. K9WOC has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 44 units(Heavy (slower to send))

Voice Phonetics

Kilo Nine Whiskey Oscar Charlie

Readability: 8/10(High readability)

License History

License IssuedDec 23, 2016
Vanity Callsign GrantedDec 23, 2016

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Riedel, Cheryl MFiled Dec 5, 2016
Not awardedFCC ↗
SIEKERKOTTE SMITH, DIRK FFiled Jan 14, 2015
Not awardedFCC ↗
SECOND CLASS OPERATORS CLUBFiled Jan 3, 2003
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K9WNZ K9WOE →

FCC data as of Jul 29, 2026

K9WOC FCC Vanity Status: 3 Competing Applications & History