K4MTR
Active1x3District 4
Competitive callsign — 7 applications filed with the FCC.
License HolderRidings, Mark T
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationElizabethton, TN
Grant DateApr 9, 2026
Expiration DateJul 2, 2036
K4MTR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Ridings, Mark T in Elizabethton, TN. This callsign has attracted significant interest in the amateur radio community, with 7 vanity applications filed with the FCC. The most recent was submitted by Ridings, Mark T on Jun 14, 2016. K4MTR has 11 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -- - .-.
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Kilo Four Mike Tango Romeo
Readability: 8/10(High readability)
License History
- License RenewedApr 9, 2026
- License ModifiedFeb 21, 2024
- Administrative Update AppliedApr 21, 2023
- License ModifiedAug 6, 2018
- License IssuedJul 2, 2016
- Vanity Callsign GrantedJul 2, 2016
- License CanceledJun 6, 2006
- Administrative Update AppliedAug 11, 2005
- Administrative Update AppliedJun 22, 2005
- Vanity Callsign GrantedJan 4, 2005
- License IssuedJan 4, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.