KS4XU
Active2x2District 4
No competing applications on record.
License HolderFESPERMAN, CHARLES D
License ClassAdvanced
Min. Class RequiredGeneral
LocationNORTHLAKE, TX
Grant DateAug 27, 2026
Expiration DateNov 19, 2036
KS4XU is a 2x2 format amateur radio callsign. It is currently registered to FESPERMAN, CHARLES D in NORTHLAKE, TX. 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: 30 units(Light (fast to send))
Voice Phonetics
Kilo Sierra Four X-ray Uniform
Readability: 7/10(Good readability)
License History
- License RenewedAug 27, 2026
- License RenewedMar 15, 2017
- License RenewedAug 30, 2006
- Administrative Update AppliedJan 11, 2005
- Administrative Update AppliedAug 19, 2003
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.