KO4ZCS
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderROSEN, JOEL A
License ClassAdvanced
Min. Class RequiredTechnician
LocationBOULDER, CO
Grant DateMar 30, 2022
Expiration DateMar 30, 2032
Cancellation DateApr 19, 2022
Available for ApplicationsApr 20, 2024
KO4ZCS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by ROSEN, JOEL A in BOULDER, CO. 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 Stewart, Chris on Nov 9, 2023. KO4ZCS has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- ....- --.. -.-. ...
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo Oscar Four Zulu Charlie Sierra
Readability: 7/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledApr 19, 2022
- System-Generated GrantMar 30, 2022
- License IssuedMar 30, 2022
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Stewart, ChrisFiled Nov 9, 2023Not awardedFCC ↗