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K4KFO

Active1x3District 4

Competitive callsign — 3 applications filed with the FCC.

License HolderSWEETSER, MICHAEL E

License ClassTechnician

Min. Class RequiredGeneral

LocationJefferson, GA

Grant DateNov 30, 2018

Expiration DateNov 30, 2028

K4KFO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SWEETSER, MICHAEL E in Jefferson, GA. 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 NARCHO, NICOLE A on Feb 20, 2007. K4KFO has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 36 units(Moderate)

Voice Phonetics

Kilo Four Kilo Foxtrot Oscar

Readability: 8/10(High readability)

License History

License RenewedNov 30, 2018
License IssuedMar 10, 2007
Vanity Callsign GrantedMar 10, 2007

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

NARCHO, NICOLE AFiled Feb 20, 2007
Not awardedFCC ↗
SWEETSER, MICHAEL EFiled Feb 20, 2007
Not awardedFCC ↗
WHEELER, THOMAS WFiled Nov 4, 2003
Not awardedFCC ↗

Search external databases

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FCC data as of Jul 9, 2026

K4KFO FCC Vanity Status: 3 Competing Applications & History