K4JP
Active1x2District 4
Competitive callsign — 11 applications filed with the FCC.
License HolderSasaki, Atsushi
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationKent, WA
Grant DateApr 14, 2026
Expiration DateApr 14, 2036
K4JP is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Sasaki, Atsushi in Kent, WA. This callsign has attracted significant interest in the amateur radio community, with 11 vanity applications filed with the FCC. The most recent was submitted by Pratt, John S on Mar 27, 2026. K4JP has 14 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .--- .--.
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Four Juliet Papa
Readability: 8/10(High readability)
License History
- Vanity Callsign GrantedApr 14, 2026
- License IssuedApr 14, 2026
- Internal Correction AppliedApr 6, 2026
- Internal Correction AppliedMar 20, 2026
- Internal Correction AppliedMar 20, 2026
- Internal Correction AppliedMar 19, 2026
- License TerminatedMar 19, 2026
- License IssuedFeb 24, 2026
- Vanity Callsign GrantedFeb 24, 2026
- Internal Correction AppliedFeb 4, 2026
- Internal Correction AppliedFeb 4, 2026
- License Renewed
Vanity Application Activity
Competing applications filed with the FCC for this callsign.