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/KD4JSA

← Back to results

KD4JSA

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderDavidson, Johnny R

License ClassTechnician

Min. Class RequiredTechnician

LocationArdmore, AL

Grant DateOct 12, 2022

Expiration DateOct 12, 2032

KD4JSA is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Davidson, Johnny R in Ardmore, AL. 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 Davidson, Johnny R on Sep 21, 2022. KD4JSA has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 36 units(Moderate)

Voice Phonetics

Kilo Delta Four Juliet Sierra Alpha

Readability: 6.5/10(Good readability)

License History

License IssuedOct 12, 2022
Vanity Callsign GrantedOct 12, 2022
License ExpiredFeb 5, 2004

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Davidson, Johnny RFiled Sep 21, 2022
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KD4JRZ KD4JSB →

FCC data as of Sep 4, 2026

KD4JSA FCC Vanity Status: 1 Competing Application & History