K4CSR
Available1x3District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderComer Scout Reservation Radio Club
Min. Class RequiredGeneral
LocationHuntsville, AL
Grant DateMay 2, 2014
Expiration DateMay 2, 2024
Cancellation DateMay 5, 2026
Available for ApplicationsMay 3, 2026
K4CSR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Comer Scout Reservation Radio Club in Huntsville, AL. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Crews, Stephen R on Jan 15, 2026. K4CSR has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -.-. ... .-.
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Kilo Four Charlie Sierra Romeo
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredMay 5, 2026
- License IssuedMay 2, 2014
- Vanity Callsign GrantedMay 2, 2014
Vanity Application Activity
Competing applications filed with the FCC for this callsign.