KO4OBU
Available2x3District 4
No competing applications on record.
License HolderHumphreys, James J
License ClassTechnician
Min. Class RequiredTechnician
LocationLoudon, TN
Grant DateMar 12, 2021
Expiration DateMar 12, 2031
Cancellation DateApr 23, 2021
Available for ApplicationsApr 24, 2023
KO4OBU is a 2x3 format amateur radio callsign. It is currently registered to Humphreys, James J in Loudon, TN. 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 Bravo Uniform
Readability: 7/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledApr 23, 2021
- System-Generated GrantMar 12, 2021
- License IssuedMar 12, 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.