K5SLS
Active1x3District 5
Competitive callsign — 3 applications filed with the FCC.
License HolderScarborough, Steven L
License ClassGeneral
Min. Class RequiredGeneral
LocationBerthoud, CO
Grant DateApr 2, 2024
Expiration DateJun 14, 2034
K5SLS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Scarborough, Steven L in Berthoud, CO. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Sparks, Steven L on Mar 23, 2026. K5SLS has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..... ... .-.. ...
CW Weight: 24 units(Light (fast to send))
Voice Phonetics
Kilo Five Sierra Lima Sierra
Readability: 7/10(Good readability)
License History
- License RenewedApr 2, 2024
- Administrative Update AppliedMay 19, 2020
- Administrative Update AppliedApr 1, 2017
- Administrative Update AppliedOct 16, 2014
- Vanity Callsign GrantedJun 14, 2014
- License IssuedJun 14, 2014
- License ExpiredMay 12, 2010
- Administrative Update AppliedFeb 15, 2005
- Administrative Update AppliedAug 3, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.