K0RZ
Active1x2District 0
Competitive callsign — 1 application filed with the FCC.
License HolderMc Caa Jr, William D
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationBoulder, CO
Grant DateJun 17, 2025
Expiration DateAug 15, 2035
K0RZ is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Mc Caa Jr, William D in Boulder, CO. 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 Thompson, Ryan M on Apr 14, 2023. K0RZ has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- .-. --..
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Zero Romeo Zulu
Readability: 7.5/10(High readability)
License History
- License RenewedJun 17, 2025
- License RenewedMay 19, 2015
- Administrative Update AppliedAug 21, 2007
- License RenewedMay 31, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Thompson, Ryan MFiled Apr 14, 2023DismissedFCC ↗