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/K9CAL

← Back to results

K9CAL

Active1x3District 9

Competitive callsign — 3 applications filed with the FCC.

License HolderWILLIAMS, CALVIN J

License ClassAdvanced

Min. Class RequiredGeneral

LocationMADISON, WI

Grant DateFeb 4, 2026

Expiration DateMar 7, 2036

K9CAL is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by WILLIAMS, CALVIN J in MADISON, 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 Robertson, Tammy L on Jan 20, 2017. K9CAL has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 38 units(Moderate)

Voice Phonetics

Kilo Nine Charlie Alpha Lima

Readability: 8/10(High readability)

License History

License RenewedFeb 4, 2026
License RenewedMar 5, 2016
License IssuedMar 7, 2006
Vanity Callsign GrantedMar 7, 2006

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Robertson, Tammy LFiled Jan 20, 2017
Not awardedFCC ↗
WILLIAMS, CALVIN JFiled Feb 16, 2006
Not awardedFCC ↗
Lindquist, Clarence AFiled Mar 24, 2004
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K9CAK K9CAM →

FCC data as of Jul 31, 2026

K9CAL FCC Vanity Status: 3 Competing Applications & History