K3RDX
Active1x3District 3
Competitive callsign — 1 application filed with the FCC.
License HolderRYAN JR, WILLIAM W
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationLuther, OK
Grant DateMar 22, 2025
Expiration DateApr 17, 2035
K3RDX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by RYAN JR, WILLIAM W in Luther, OK. 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 Cook, Aaron on Sep 2, 2026. K3RDX has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ...-- .-. -.. -..-
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Three Romeo Delta X-ray
Readability: 7.5/10(High readability)
License History
- License RenewedMar 22, 2025
- License RenewedJan 21, 2015
- License RenewedFeb 8, 2005
- Administrative Update AppliedSep 6, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Cook, AaronFiled Sep 2, 2026PendingFCC ↗