K4USR
Active1x3District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderDIEGMUELLER, MARVIN E
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationCARY, NC
Grant DateSep 2, 2016
Expiration DateSep 2, 2026
K4USR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by DIEGMUELLER, MARVIN E in CARY, NC. 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 DIEGMUELLER, MARVIN E on Aug 15, 2016. K4USR has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ..- ... .-.
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Kilo Four Uniform Sierra Romeo
Readability: 6.5/10(Good readability)
License History
- License ModifiedJul 31, 2019
- Administrative Update AppliedJun 30, 2017
- License IssuedSep 2, 2016
- Vanity Callsign GrantedSep 2, 2016
Vanity Application Activity
Competing applications filed with the FCC for this callsign.