KO4SKL
Cancelled2x3District 4
No competing applications on record.
License HolderArmstrong, Rebecca
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationLivingston, TX
Grant DateAug 9, 2021
Cancellation DateFeb 10, 2026
Available for ApplicationsFeb 11, 2028
KO4SKL is a 2x3 format amateur radio callsign. It is currently registered to Armstrong, Rebecca in Livingston, TX. 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: 39 units(Moderate)
Voice Phonetics
Kilo Oscar Four Sierra Kilo Lima
Readability: 7/10(Good readability)
Available Feb 11, 2028 (524 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledFeb 10, 2026
- License ModifiedJan 22, 2026
- License ModifiedOct 4, 2021
- Administrative Update AppliedSep 3, 2021
- System-Generated GrantAug 9, 2021
- License IssuedAug 9, 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.