KD9SJO
Active2x3District 9
No competing applications on record.
License HolderMcMahon, Patrick J
License ClassGeneral
Min. Class RequiredTechnician
LocationChicago, IL
Grant DateApr 12, 2021
Expiration DateApr 12, 2031
KD9SJO is a 2x3 format amateur radio callsign. It is currently registered to McMahon, Patrick J in Chicago, IL. 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: 47 units(Heavy (slower to send))
Voice Phonetics
Kilo Delta Nine Sierra Juliet Oscar
Readability: 6.5/10(Good readability)
License History
- License ModifiedFeb 24, 2025
- System-Generated GrantApr 12, 2021
- License IssuedApr 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.