KZ4TH
Active2x2District 4
Competitive callsign — 1 application filed with the FCC.
License HolderSumner, David
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationDurham, NC
Grant DateMay 20, 2025
Expiration DateMay 20, 2035
KZ4TH is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Sumner, David in Durham, NC. 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 Helms, Troy on Nov 13, 2023. KZ4TH has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --.. ....- - ....
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo Zulu Four Tango Hotel
Readability: 8/10(High readability)
License History
- System-Generated GrantMay 20, 2025
- License IssuedMay 20, 2025
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Helms, TroyFiled Nov 13, 2023Not awardedFCC ↗