K4KOX
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderGRAY JR, WILLIAM C
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationWOODBRIDGE, VA
Grant DateApr 9, 2026
Expiration DateJun 12, 2036
K4KOX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by GRAY JR, WILLIAM C in WOODBRIDGE, VA. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by RODRIGUEZ, JOAQUIN P on Jan 26, 2000. K4KOX has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -.- --- -..-
CW Weight: 38 units(Moderate)
Voice Phonetics
Kilo Four Kilo Oscar X-ray
Readability: 8/10(High readability)
License History
- Administrative Update AppliedMay 5, 2026
- License RenewedApr 9, 2026
- License RenewedMar 17, 2016
- License ModifiedDec 13, 2010
- License ModifiedApr 12, 2010
- License RenewedJun 28, 2006
- Tax ID (TIN) AddedJun 26, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.