KB4RSO
Active2x3District 4
No competing applications on record.
License HolderALVAREZ, MARIANO E
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationMIAMI, FL
Grant DateJun 26, 2019
Expiration DateJul 27, 2029
KB4RSO is a 2x3 format amateur radio callsign. It is currently registered to ALVAREZ, MARIANO E in MIAMI, FL. 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: 37 units(Moderate)
Voice Phonetics
Kilo Bravo Four Romeo Sierra Oscar
Readability: 6.5/10(Good readability)
License History
- License RenewedJun 26, 2019
- License RenewedMay 19, 2009
- License ModifiedJul 18, 2000
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.