KR3Z
Active2x1District 3
Competitive callsign — 3 applications filed with the FCC.
License HolderSHERMER, HOWARD
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationKAILUA KONA, HI
Grant DateDec 15, 2025
Expiration DateDec 7, 2033
KR3Z is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by SHERMER, HOWARD in KAILUA KONA, HI. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Drake, Jonathan on Dec 8, 2025. KR3Z has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. ...-- --..
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo Romeo Three Zulu
Readability: 8/10(High readability)
License History
- License RenewedDec 15, 2025
- License RenewedSep 10, 2013
- Administrative Update AppliedNov 26, 2003
- License RenewedNov 25, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.