KM4EFR
Expired2x3District 4
No competing applications on record.
License HolderRIDDLE JR, CHARLES T
License ClassTechnician
Min. Class RequiredTechnician
LocationLOCUST, NC
Grant DateSep 15, 2014
Expiration DateSep 15, 2024
Available for ApplicationsSep 16, 2026
KM4EFR is a 2x3 format amateur radio callsign. It is currently registered to RIDDLE JR, CHARLES T in LOCUST, NC. 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: 32 units(Moderate)
Voice Phonetics
Kilo Mike Four Echo Foxtrot Romeo
Readability: 7.5/10(High readability)
Available Sep 16, 2026 (48 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- System-Generated GrantSep 15, 2014
- License IssuedSep 15, 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.