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/K4JSU

← Back to results

K4JSU

Active1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderStokes, Paul M

License ClassGeneral

Min. Class RequiredGeneral

LocationAustin, TX

Grant DateJun 24, 2023

Expiration DateMay 10, 2033

K4JSU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Stokes, Paul M in Austin, TX. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Stokes, Paul M on Apr 22, 2003. K4JSU has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 32 units(Moderate)

Voice Phonetics

Kilo Four Juliet Sierra Uniform

Readability: 6.5/10(Good readability)

License History

License RenewedJun 24, 2023
Administrative Update AppliedJan 26, 2022
License RenewedFeb 15, 2013
License IssuedMay 10, 2003
Vanity Callsign GrantedMay 10, 2003

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Stokes, Paul MFiled Apr 22, 2003
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K4JST K4JSW →

FCC data as of Sep 4, 2026

K4JSU FCC Vanity Status: 1 Competing Application & History