KQ4ZRU
Active2x3District 4
No competing applications on record.
License HolderClayon, Mathew A
License ClassGeneral
Min. Class RequiredTechnician
LocationFremont, CA
Grant DateDec 17, 2024
Expiration DateDec 17, 2034
KQ4ZRU is a 2x3 format amateur radio callsign. It is currently registered to Clayon, Mathew A in Fremont, CA. 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: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo Quebec Four Zulu Romeo Uniform
Readability: 6.5/10(Good readability)
License History
- License ModifiedJan 12, 2026
- System-Generated GrantDec 17, 2024
- License IssuedDec 17, 2024
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.