K4RSJ
Available1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderJARRETT, RANDAL S
License ClassGeneral
Min. Class RequiredGeneral
LocationHernando, FL
Grant DateJul 16, 2013
Expiration DateApr 22, 2023
Cancellation DateApr 23, 2025
Available for ApplicationsApr 23, 2025
K4RSJ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by JARRETT, RANDAL S in Hernando, FL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Hudnutt Mr, Robert on Sep 8, 2025. K4RSJ has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .-. ... .---
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Four Romeo Sierra Juliet
Readability: 6.5/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredApr 23, 2025
- License RenewedJul 16, 2013
- Administrative Update AppliedSep 29, 2006
- License IssuedApr 22, 2003
- Vanity Callsign GrantedApr 22, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.