K4MZR
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderShelton, Gregg A
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationSmithfield, VA
Grant DateAug 13, 2025
Expiration DateSep 29, 2035
K4MZR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Shelton, Gregg A in Smithfield, VA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Shelton, Gregg A on Sep 10, 2015. K4MZR has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -- --.. .-.
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Four Mike Zulu Romeo
Readability: 8/10(High readability)
License History
- License RenewedAug 13, 2025
- Administrative Update AppliedNov 7, 2023
- Administrative Update AppliedOct 5, 2017
- License ModifiedApr 26, 2016
- Vanity Callsign GrantedSep 29, 2015
- License IssuedSep 29, 2015
- License ExpiredSep 29, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Shelton, Gregg AFiled Sep 10, 2015Not awardedFCC ↗