KM4WYJ
Active2x3District 4
No competing applications on record.
License HolderMERCADO, JUAN R
License ClassTechnician
Min. Class RequiredTechnician
LocationBROCKTON, MA
Grant DateJul 7, 2026
Expiration DateSep 26, 2036
KM4WYJ is a 2x3 format amateur radio callsign. It is currently registered to MERCADO, JUAN R in BROCKTON, MA. 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: 47 units(Heavy (slower to send))
Voice Phonetics
Kilo Mike Four Whiskey Yankee Juliet
Readability: 7.5/10(High readability)
License History
- License RenewedJul 7, 2026
- License ModifiedJun 1, 2018
- Administrative Update AppliedMay 22, 2018
- License ModifiedApr 6, 2018
- System-Generated GrantSep 26, 2016
- License IssuedSep 26, 2016
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.