KO4JCS
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderGray III, Campbell W
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationArlington, VA
Grant DateNov 13, 2020
Expiration DateNov 13, 2030
Cancellation DateNov 18, 2020
Available for ApplicationsNov 19, 2022
KO4JCS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Gray III, Campbell W in Arlington, VA. 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 Saari, John C on Jan 28, 2025. KO4JCS has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- ....- .--- -.-. ...
CW Weight: 44 units(Heavy (slower to send))
Voice Phonetics
Kilo Oscar Four Juliet Charlie Sierra
Readability: 6.5/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledNov 18, 2020
- System-Generated GrantNov 13, 2020
- License IssuedNov 13, 2020
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Saari, John CFiled Jan 28, 2025Not awardedFCC ↗