KR4HEI
Cancelled2x3District 4
No competing applications on record.
License HolderRothlisberger, Matthew J
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationShalimar, FL
Grant DateNov 21, 2025
Cancellation DateDec 22, 2025
Available for ApplicationsDec 23, 2027
KR4HEI is a 2x3 format amateur radio callsign. It is currently registered to Rothlisberger, Matthew J in Shalimar, 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: 26 units(Light (fast to send))
Voice Phonetics
Kilo Romeo Four Hotel Echo India
Readability: 6.5/10(Good readability)
Available Dec 23, 2027 (474 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledDec 22, 2025
- License ModifiedDec 5, 2025
- 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.