KQ4O
Active2x1District 4
Competitive callsign — 29 applications filed with the FCC.
License HolderSchaffner, William P
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationVincent, AL
Grant DateAug 27, 2019
Expiration DateAug 27, 2029
KQ4O is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Schaffner, William P in Vincent, AL. This callsign has attracted significant interest in the amateur radio community, with 29 vanity applications filed with the FCC. The most recent was submitted by Youngblood, Travis P on Mar 25, 2024. KQ4O has 10 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --.- ....- ---
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Quebec Four Oscar
Readability: 8.5/10(High readability)
License History
- Administrative Update AppliedSep 9, 2025
- Administrative Update AppliedOct 8, 2021
- License IssuedAug 27, 2019
- Vanity Callsign GrantedAug 27, 2019
- License ExpiredAug 8, 2019
- Vanity Callsign GrantedAug 7, 2007
- License IssuedAug 7, 2007
- Internal Correction AppliedAug 1, 2007
- Internal Correction AppliedAug 1, 2007
- License IssuedNov 10, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.