K4MRB
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderButler, Thomas R
License ClassGeneral
Min. Class RequiredGeneral
LocationRALEIGH, NC
Grant DateJul 3, 2020
Expiration DateJul 3, 2030
K4MRB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Butler, Thomas R in RALEIGH, NC. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Butler, Thomas R on Jun 15, 2020. K4MRB has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -- .-. -...
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Four Mike Romeo Bravo
Readability: 8/10(High readability)
License History
- License IssuedJul 3, 2020
- Vanity Callsign GrantedJul 3, 2020
- License CanceledFeb 17, 2017
- Administrative Update AppliedJan 28, 2017
- License RenewedDec 9, 2008
- FRN Association Letter SentDec 9, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.