K4USF
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderHarrison, Aubrey
License ClassGeneral
Min. Class RequiredGeneral
LocationLakeland, FL
Grant DateOct 22, 2019
Expiration DateDec 29, 2029
K4USF is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Harrison, Aubrey in Lakeland, FL. 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 Harrison, Aubrey on Dec 10, 2009. K4USF has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ..- ... ..-.
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Kilo Four Uniform Sierra Foxtrot
Readability: 7/10(Good readability)
License History
- License RenewedOct 22, 2019
- License IssuedDec 29, 2009
- Vanity Callsign GrantedDec 29, 2009
- License ExpiredDec 5, 2008
- FRN Association Email SentDec 6, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Harrison, AubreyFiled Dec 10, 2009Not awardedFCC ↗