K4SLR
Unknown1x3Zone 4
License HolderSellers, Mark
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ModifiedJun 2, 2025
- License IssuedAug 28, 2021
- Vanity Callsign GrantedAug 28, 2021
- License ExpiredMay 28, 2021
- License IssuedMay 27, 2009
- Vanity Callsign GrantedMay 27, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications detected. Monitor the FCC ULS application search to verify before filing.