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/K4JMR

← Back to results

K4JMR

Active1x3District 4

Competitive callsign — 5 applications filed with the FCC.

License HolderRay, Jeff

License ClassTechnician

Min. Class RequiredGeneral

LocationGreenback, TN

Grant DateAug 12, 2026

Expiration DateAug 12, 2036

K4JMR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Ray, Jeff in Greenback, TN. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Ray, Jeff M on Jul 25, 2016. K4JMR has 9 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo Four Juliet Mike Romeo

Readability: 7.5/10(High readability)

License History

License RenewedAug 12, 2026
Administrative Update AppliedOct 4, 2023
License IssuedAug 12, 2016
Vanity Callsign GrantedAug 12, 2016
License CanceledJul 22, 2014
Vanity Callsign GrantedMar 4, 2014
License IssuedMar 4, 2014
License ExpiredAug 28, 2013
License RenewedJun 1, 2001

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Ray, Jeff MFiled Jul 25, 2016
Not awardedFCC ↗
Ray, Jeffrey MFiled May 2, 2016
DismissedFCC ↗
RATLIFF, JOHN MFiled Feb 13, 2014
Not awardedFCC ↗
Bos, Jon PFiled Apr 11, 2007

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K4JMQ K4JMS →

FCC data as of Sep 4, 2026

Not awarded

Ray, John MFiled Apr 11, 2007

Not awardedFCC ↗

K4JMR FCC Vanity Status: 5 Competing Applications & History