K4YR
Active1x2District 4
Competitive callsign — 23 applications filed with the FCC.
License HolderCline Ill, Harry E
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationSunnyvale, CA
Grant DateJan 17, 2024
Expiration DateApr 11, 2034
K4YR is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Cline Ill, Harry E in Sunnyvale, CA. This callsign has attracted significant interest in the amateur radio community, with 23 vanity applications filed with the FCC. The most recent was submitted by Burke, Tracy A on Feb 17, 2026. K4YR has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -.-- .-.
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo Four Yankee Romeo
Readability: 8/10(High readability)
License History
- License RenewedJan 17, 2024
- License IssuedApr 11, 2014
- Vanity Callsign GrantedApr 11, 2014
- Internal Correction AppliedFeb 19, 2014
- Internal Correction AppliedFeb 19, 2014
- License RenewedMar 28, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.