KJ4USA
Expired2x3District 4
Competitive callsign — 6 applications filed with the FCC.
License HolderFox 571, Eric J
License ClassGeneral
Min. Class RequiredTechnician
LocationKnoxville, TN
Grant DateOct 23, 2015
Expiration DateOct 23, 2025
Available for ApplicationsOct 24, 2027
KJ4USA is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Fox 571, Eric J in Knoxville, TN. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by Johnson, Robbie K on Dec 19, 2022. KJ4USA has 12 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .--- ....- ..- ... .-
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Juliet Four Uniform Sierra Alpha
Readability: 6/10(Good readability)
Available Oct 24, 2027 (363 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- Administrative Update AppliedDec 6, 2022
- Vanity Callsign GrantedOct 23, 2015
- License IssuedOct 23, 2015
- License CanceledMar 26, 2013
- License ModifiedMar 7, 2013
- Vanity Callsign GrantedNov 16, 2012
- License IssuedNov 16, 2012
- License CanceledJun 19, 2012
- Administrative Update AppliedMay 16, 2012
- License ModifiedMay 7, 2010
- License IssuedApr 9, 2010
- Vanity Callsign Granted
Vanity Application Activity
Competing applications filed with the FCC for this callsign.