KM4OPO
Active2x3District 4
No competing applications on record.
License HolderAdelstein, Michael K
License ClassGeneral
Min. Class RequiredTechnician
LocationSaint Louis, MO
Grant DateDec 3, 2025
Expiration DateDec 3, 2035
KM4OPO is a 2x3 format amateur radio callsign. It is currently registered to Adelstein, Michael K in Saint Louis, MO. 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: 46 units(Heavy (slower to send))
Voice Phonetics
Kilo Mike Four Oscar Papa Oscar
Readability: 8/10(High readability)
License History
- License RenewedDec 3, 2025
- System-Generated GrantNov 3, 2015
- License IssuedNov 3, 2015
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.