Home/Search/KR4MKX

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

CallsignFinder

Track FCC amateur radio vanity callsign availability. Data updated daily.

Legal & Info

Pricing FAQ Terms of Service Privacy Policy

FCC data sourced from FCC Universal Licensing System. Not affiliated with the FCC.

Watchlist Search Account

Home/Search/KR4MKX

← Back to results

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 (644 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.

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KR4MKW KR4MKY →

FCC data as of Sep 4, 2026

Is KR4MKX Available? FCC Vanity Status & Watchlist