K4YJA
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderSimpson JR, William H
License ClassTechnician
Min. Class RequiredGeneral
LocationJacksonville, FL
Grant DateApr 19, 2025
Expiration DateApr 19, 2035
K4YJA is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Simpson JR, William H in Jacksonville, 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 Simpson JR, William H on Apr 1, 2025. K4YJA has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -.-- .--- .-
CW Weight: 38 units(Moderate)
Voice Phonetics
Kilo Four Yankee Juliet Alpha
Readability: 7.5/10(High readability)
License History
- License IssuedApr 19, 2025
- Vanity Callsign GrantedApr 19, 2025
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Simpson JR, William HFiled Apr 1, 2025Not awardedFCC ↗