KB4RKS
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderErdosi Szucs, Frigyes
License ClassGeneral
Min. Class RequiredTechnician
LocationSan Jose, CA
Grant DateFeb 28, 2023
Expiration DateFeb 28, 2033
KB4RKS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Erdosi Szucs, Frigyes in San Jose, CA. 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 Erdosi-Szucs, Frigyes on Feb 10, 2023. KB4RKS has 10 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -... ....- .-. -.- ...
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Bravo Four Romeo Kilo Sierra
Readability: 6.5/10(Good readability)
License History
- Administrative Update AppliedApr 19, 2025
- Administrative Update AppliedNov 13, 2024
- License ModifiedApr 24, 2023
- License IssuedFeb 28, 2023
- Vanity Callsign GrantedFeb 28, 2023
- License ExpiredOct 10, 2018
- Administrative Update AppliedSep 10, 2010
- License RenewedJul 11, 2006
- Administrative Update AppliedApr 21, 2005
- FRN Association Letter SentApr 21, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Erdosi-Szucs, FrigyesFiled Feb 10, 2023Not awardedFCC ↗