KO4OIO
Active2x3District 4
No competing applications on record.
License HolderPietropaolo, Joseph J
License ClassTechnician
Min. Class RequiredTechnician
LocationFall River, MA
Grant DateMar 17, 2021
Expiration DateMar 17, 2031
KO4OIO is a 2x3 format amateur radio callsign. It is currently registered to Pietropaolo, Joseph J in Fall River, MA. 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: 43 units(Heavy (slower to send))
Voice Phonetics
Kilo Oscar Four Oscar India Oscar
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedMay 21, 2025
- License ModifiedApr 28, 2021
- License ModifiedApr 9, 2021
- System-Generated GrantMar 17, 2021
- License IssuedMar 17, 2021
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.