KR4HDU
Active2x3District 4
No competing applications on record.
License HolderVelker, William
License ClassGeneral
Min. Class RequiredTechnician
LocationELKTON, VA
Grant DateNov 21, 2025
Expiration DateNov 21, 2035
KR4HDU is a 2x3 format amateur radio callsign. It is currently registered to Velker, William in ELKTON, VA. 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: 33 units(Moderate)
Voice Phonetics
Kilo Romeo Four Hotel Delta Uniform
Readability: 6.5/10(Good readability)
License History
- License ModifiedJan 20, 2026
- System-Generated GrantNov 21, 2025
- License IssuedNov 21, 2025
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.