K3OZ
Active1x2District 3
Competitive callsign — 2 applications filed with the FCC.
License HolderMROZ, ROBERT M
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationSparrows Point, MD
Grant DateOct 27, 2017
Expiration DateDec 4, 2027
K3OZ is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by MROZ, ROBERT M in Sparrows Point, MD. 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 Oswald, James on Dec 29, 2025. K3OZ has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ...-- --- --..
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Three Oscar Zulu
Readability: 8.5/10(High readability)
License History
- Administrative Update AppliedJun 1, 2022
- License RenewedOct 27, 2017
- License RenewedNov 24, 2007
- FRN Association Email SentNov 23, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.