KD0LZX
Available2x3District 0
Competitive callsign — 1 application filed with the FCC.
License HolderGretz, Dan
License ClassTechnician
Min. Class RequiredTechnician
LocationBoulder, CO
Grant DateFeb 28, 2014
Expiration DateMar 5, 2024
Cancellation DateMar 7, 2026
Available for ApplicationsMar 6, 2026
KD0LZX is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Gretz, Dan in Boulder, CO. 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 Gretz, Dan on Feb 10, 2014. KD0LZX has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.. ----- .-.. --.. -..-
CW Weight: 49 units(Heavy (slower to send))
Voice Phonetics
Kilo Delta Zero Lima Zulu X-ray
Readability: 7/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredMar 7, 2026
- License IssuedFeb 28, 2014
- Vanity Callsign GrantedFeb 28, 2014
- License CanceledJul 10, 2010
- System-Generated GrantJun 15, 2010
- License IssuedJun 15, 2010
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Gretz, DanFiled Feb 10, 2014Not awardedFCC ↗