KR4MKX
Cancelled2x3District 4
No competing applications on record.
License HolderTolle, Stephen K
License ClassTechnician
Min. Class RequiredTechnician
LocationMineral, VA
Grant DateMay 21, 2026
Cancellation DateJun 9, 2026
Available for ApplicationsJun 10, 2028
KR4MKX is a 2x3 format amateur radio callsign. It is currently registered to Tolle, Stephen K in Mineral, 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 Romeo Four Mike Kilo X-ray
Readability: 7.5/10(High readability)
Available Jun 10, 2028 (702 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledJun 9, 2026
- System-Generated GrantMay 21, 2026
- License IssuedMay 21, 2026
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.