KR4ALX
Cancelled2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderSokolowski, Michal
License ClassGeneral
Min. Class RequiredTechnician
LocationChantilly, VA
Grant DateJan 15, 2025
Cancellation DateFeb 19, 2025
Available for ApplicationsFeb 20, 2027
KR4ALX is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Sokolowski, Michal in Chantilly, VA. 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 Morris, Thomas A on Jan 2, 2026. KR4ALX has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. ....- .- .-.. -..-
CW Weight: 37 units(Moderate)
Voice Phonetics
Kilo Romeo Four Alpha Lima X-ray
Readability: 7/10(Good readability)
Available Feb 20, 2027 (207 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledFeb 19, 2025
- License ModifiedJan 21, 2025
- System-Generated GrantJan 15, 2025
- License IssuedJan 15, 2025
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Morris, Thomas AFiled Jan 2, 2026DismissedFCC ↗