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K4DFS

Active1x3District 4

Competitive callsign — 3 applications filed with the FCC.

License HolderStraining, David F

License ClassTechnician

Min. Class RequiredGeneral

LocationJacksonville, FL

Grant DateJun 15, 2019

Expiration DateJun 15, 2029

K4DFS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Straining, David F in Jacksonville, FL. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Straining, David F on May 28, 2019. K4DFS has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 28 units(Light (fast to send))

Voice Phonetics

Kilo Four Delta Foxtrot Sierra

Readability: 7.5/10(High readability)

License History

License IssuedJun 15, 2019
Vanity Callsign GrantedJun 15, 2019

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Straining, David FFiled May 28, 2019
Not awardedFCC ↗
MARTIN SR, LEE RFiled Aug 25, 2003
Not awardedFCC ↗
Simmons, Craig FFiled Mar 5, 2002
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

K4DFS FCC Vanity Status: 3 Competing Applications & History