K4MRK
Active1x3District 4
Competitive callsign — 10 applications filed with the FCC.
License HolderJones, Mark A
License ClassTechnician
Min. Class RequiredGeneral
LocationCrossville, TN
Grant DateFeb 25, 2025
Expiration DateFeb 25, 2035
K4MRK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Jones, Mark A in Crossville, TN. This callsign has attracted significant interest in the amateur radio community, with 10 vanity applications filed with the FCC. The most recent was submitted by Cross, Ronald M on Aug 4, 2025. K4MRK has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -- .-. -.-
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Four Mike Romeo Kilo
Readability: 8/10(High readability)
License History
- License IssuedFeb 25, 2025
- Vanity Callsign GrantedFeb 25, 2025
- License ExpiredSep 20, 2022
- License RenewedJul 3, 2010
- License ModifiedOct 13, 2000
- License IssuedSep 19, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.