K4SMR
Available1x3District 4
Competitive callsign — 9 applications filed with the FCC.
License HolderRUSSELL, SHIRLEY M
License ClassTechnician
Min. Class RequiredGeneral
LocationKNOXVILLE, TN
Grant DateDec 28, 2010
Expiration DateFeb 10, 2021
Cancellation DateFeb 11, 2023
Available for ApplicationsFeb 11, 2023
K4SMR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by RUSSELL, SHIRLEY M in KNOXVILLE, TN. This callsign has attracted significant interest in the amateur radio community, with 9 vanity applications filed with the FCC. The most recent was submitted by Gardner, Derek on Sep 22, 2026. K4SMR has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ... -- .-.
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Kilo Four Sierra Mike Romeo
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredFeb 11, 2023
- License RenewedDec 28, 2010
- License IssuedFeb 10, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.