K4SPM
Available1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderLeibowitz, Samantha A
License ClassTechnician
Min. Class RequiredGeneral
LocationPlantation, FL
Grant DateMar 12, 2014
Expiration DateMay 14, 2024
Cancellation DateMay 15, 2026
Available for ApplicationsMay 15, 2026
K4SPM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Leibowitz, Samantha A in Plantation, FL. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Model, Seth on Jun 17, 2026. K4SPM has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ... .--. --
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Four Sierra Papa Mike
Readability: 8/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredMay 15, 2026
- License RenewedMar 12, 2014
- License IssuedMay 14, 2004
- Vanity Callsign GrantedMay 14, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.