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W4RJJ

Active1x3District 4

Competitive callsign — 5 applications filed with the FCC.

License HolderLee, Seung Joo

License ClassTechnician

Min. Class RequiredGeneral

LocationDaytona Beach, FL

Grant DateMar 7, 2026

Expiration DateMay 28, 2036

W4RJJ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Lee, Seung Joo in Daytona Beach, FL. 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 Jackson, Robert O on May 10, 2016. W4RJJ has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 39 units(Moderate)

Voice Phonetics

Whiskey Four Romeo Juliet Juliet

Readability: 6.5/10(Good readability)

License History

License RenewedMar 7, 2026
License ModifiedMar 30, 2017
License ModifiedJul 13, 2016
License IssuedMay 28, 2016
Vanity Callsign GrantedMay 28, 2016
License ExpiredAug 8, 2006

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Jackson, Robert OFiled May 10, 2016
Not awardedFCC ↗
JURGONSKI JR, ROBERT JFiled Aug 27, 2014
Not awardedFCC ↗
Manley, Rodney AFiled Feb 25, 2010
Not awardedFCC ↗
JULIAN, RONNY JFiled Nov 2, 2000

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← W4RJH W4RJK →

FCC data as of Sep 4, 2026

Not awarded

WOLSTENHOLME, JEFFREY SFiled Nov 2, 2000

Not awardedFCC ↗

W4RJJ FCC Vanity Status: 5 Competing Applications & History