K5LSF
Cancelled1x3District 5
Competitive callsign — 2 applications filed with the FCC.
License HolderLouisiana State Fire Marshal Radio Club
Min. Class RequiredGeneral
LocationBaton Rouge, LA
Grant DateMay 4, 2021
Cancellation DateJul 23, 2025
Available for ApplicationsJul 24, 2027
K5LSF is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Louisiana State Fire Marshal Radio Club in Baton Rouge, LA. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Louisiana State Fire Marshal Radio Club on Apr 15, 2021. K5LSF has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..... .-.. ... ..-.
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Kilo Five Lima Sierra Foxtrot
Readability: 7.5/10(High readability)
Available Jul 24, 2027 (324 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledJul 23, 2025
- License IssuedMay 4, 2021
- Vanity Callsign GrantedMay 4, 2021
Vanity Application Activity
Competing applications filed with the FCC for this callsign.