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/K5JSM

← Back to results

K5JSM

Active1x3District 5

Competitive callsign — 2 applications filed with the FCC.

License HolderMELENDEZ, JONATHAN S

License ClassTechnician

Min. Class RequiredGeneral

LocationLEES SUMMIT, MO

Grant DateAug 22, 2018

Expiration DateAug 15, 2028

K5JSM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MELENDEZ, JONATHAN S in LEES SUMMIT, MO. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by MELENDEZ, JONATHAN S on Jul 28, 2008. K5JSM has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 31 units(Moderate)

Voice Phonetics

Kilo Five Juliet Sierra Mike

Readability: 7.5/10(High readability)

License History

License RenewedAug 22, 2018
Administrative Update AppliedApr 1, 2013
License IssuedAug 15, 2008
Vanity Callsign GrantedAug 15, 2008

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

MELENDEZ, JONATHAN SFiled Jul 28, 2008
Not awardedFCC ↗
Moses, Jason SFiled Oct 1, 2007
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K5JSL K5JSN →

FCC data as of Sep 4, 2026

K5JSM FCC Vanity Status: 2 Competing Applications & History