KS4MX
Active2x2District 4
No competing applications on record.
License HolderWILLIS, HENRY T
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationTUCSON, AZ
Grant DateSep 10, 2025
Expiration DateSep 10, 2035
KS4MX is a 2x2 format amateur radio callsign. It is currently registered to WILLIS, HENRY T in TUCSON, AZ. 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: 31 units(Moderate)
Voice Phonetics
Kilo Sierra Four Mike X-ray
Readability: 8/10(High readability)
License History
- License RenewedSep 10, 2025
- Administrative Update AppliedNov 21, 2017
- License RenewedNov 4, 2014
- Administrative Update AppliedApr 19, 2013
- Administrative Update AppliedOct 16, 2012
- License RenewedDec 2, 2004
- Administrative Update AppliedFeb 5, 2004
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.