K4USN
Active1x3District 4
Competitive callsign — 15 applications filed with the FCC.
License HolderBROWN, JAMES D
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationHouston, TX
Grant DateJun 23, 2020
Expiration DateMay 19, 2030
K4USN is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by BROWN, JAMES D in Houston, TX. This callsign has attracted significant interest in the amateur radio community, with 15 vanity applications filed with the FCC. The most recent was submitted by Anderson, Michael T on Apr 18, 2022. K4USN has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ..- ... -.
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Four Uniform Sierra November
Readability: 6.5/10(Good readability)
License History
- Administrative Update AppliedApr 17, 2024
- License RenewedJun 23, 2020
- License RenewedMar 6, 2010
- Administrative Update AppliedJan 16, 2007
- Administrative Update AppliedMar 11, 2003
- License ModifiedApr 15, 2002
- License ModifiedAug 15, 2000
- License IssuedMay 19, 2000
- License ExpiredNov 18, 1999
Vanity Application Activity
Competing applications filed with the FCC for this callsign.