N5MRK
Active1x3District 5
Competitive callsign — 4 applications filed with the FCC.
License HolderKeller, Matthew R
License ClassTechnician
Min. Class RequiredGeneral
LocationPlano, TX
Grant DateMar 13, 2026
Expiration DateNov 14, 2034
N5MRK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Keller, Matthew R in Plano, TX. 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 Keller, Matt R on Sep 29, 2004. N5MRK has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ..... -- .-. -.-
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
November Five Mike Romeo Kilo
Readability: 7.5/10(High readability)
License History
- License RenewedMar 13, 2026
- License RenewedNov 14, 2014
- License IssuedOct 19, 2004
- Vanity Callsign GrantedOct 19, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.