KM4CSO
Available2x3District 4
No competing applications on record.
License HolderEngle, John W
License ClassTechnician
Min. Class RequiredTechnician
LocationANNANDALE, VA
Grant DateJun 24, 2014
Expiration DateJun 24, 2024
Cancellation DateJun 27, 2026
Available for ApplicationsJun 25, 2026
KM4CSO is a 2x3 format amateur radio callsign. It is currently registered to Engle, John W in ANNANDALE, VA. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
-.- -- ....- -.-. ... ---
CW Weight: 40 units(Moderate)
Voice Phonetics
Kilo Mike Four Charlie Sierra Oscar
Readability: 7.5/10(High readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredJun 27, 2026
- License IssuedJun 28, 2014
- System-Generated GrantJun 28, 2014
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.