KJ6MUD
Available2x3District 6
Competitive callsign — 1 application filed with the FCC.
License HolderLABRIET, MARC
License ClassTechnician
Min. Class RequiredTechnician
LocationSAN FRANCISCO, CA
Grant DateFeb 18, 2011
Expiration DateFeb 18, 2021
Cancellation DateFeb 22, 2023
Available for ApplicationsFeb 19, 2023
KJ6MUD is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by LABRIET, MARC in SAN FRANCISCO, CA. 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 Zehnder, Kevin on Dec 1, 2025. KJ6MUD has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .--- -.... -- ..- -..
CW Weight: 40 units(Moderate)
Voice Phonetics
Kilo Juliet Six Mike Uniform Delta
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 ExpiredFeb 22, 2023
- System-Generated GrantFeb 18, 2011
- License IssuedFeb 18, 2011
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Zehnder, KevinFiled Dec 1, 2025Not awardedFCC ↗