KO4RSN
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderHall, Andrew
License ClassTechnician
Min. Class RequiredTechnician
LocationAnderson, SC
Grant DateNov 9, 2021
Expiration DateNov 9, 2031
KO4RSN is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Hall, Andrew in Anderson, SC. 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 Hall, Andrew B on Oct 22, 2021. KO4RSN has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- ....- .-. ... -.
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Oscar Four Romeo Sierra November
Readability: 6/10(Good readability)
License History
- Administrative Update AppliedAug 19, 2025
- Administrative Update AppliedFeb 18, 2023
- License IssuedNov 9, 2021
- Vanity Callsign GrantedNov 9, 2021
- License CanceledAug 14, 2021
- License IssuedJul 7, 2021
- System-Generated GrantJul 7, 2021
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Hall, Andrew BFiled Oct 22, 2021Not awardedFCC ↗