Home/Search/KJ4FDF

KJ4FDF

Available2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderFOX, JASON W

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationVIENNA, VA

Grant DateJul 14, 2008

Expiration DateJul 14, 2018

Cancellation DateJan 6, 2009

CallsignFinder

Track FCC amateur radio vanity callsign availability. Data updated daily.

Legal & Info

Pricing FAQ Terms of Service Privacy Policy

FCC data sourced from FCC Universal Licensing System. Not affiliated with the FCC.

Watchlist Search Account

Home/Search/KJ4FDF

← Back to results

KJ4FDF

Available2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderFOX, JASON W

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationVIENNA, VA

Grant DateJul 14, 2008

Expiration DateJul 14, 2018

Cancellation DateJan 6, 2009

Available for ApplicationsJan 7, 2011

KJ4FDF is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by FOX, JASON W in VIENNA, VA. 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 FREEMAN, FRED D on May 11, 2020. KJ4FDF has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 41 units(Heavy (slower to send))

Voice Phonetics

Kilo Juliet Four Foxtrot Delta Foxtrot

Readability: 7/10(Good readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License CanceledJan 6, 2009
License ModifiedDec 18, 2008
System-Generated GrantJul 14, 2008
License IssuedJul 14, 2008

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

FREEMAN, FRED DFiled May 11, 2020
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KJ4FDE KJ4FDG →

FCC data as of Jul 28, 2026

KJ4FDF FCC Vanity Status: 1 Competing Application & History