K1KDX
Active1x3District 1
Competitive callsign — 3 applications filed with the FCC.
License HolderMcAllister III, William D
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationRochester, NH
Grant DateJun 24, 2026
Expiration DateJun 24, 2036
K1KDX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by McAllister III, William D in Rochester, NH. 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 McAllister III, William D on May 26, 2016. K1KDX has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .---- -.- -.. -..-
CW Weight: 40 units(Moderate)
Voice Phonetics
Kilo One Kilo Delta X-ray
Readability: 8/10(High readability)
License History
- License RenewedJun 24, 2026
- Administrative Update AppliedApr 17, 2019
- License ModifiedApr 12, 2017
- License IssuedJun 14, 2016
- Vanity Callsign GrantedJun 14, 2016
- License CanceledApr 3, 2007
- License ModifiedMar 9, 2007
- Vanity Callsign GrantedAug 3, 2004
- License IssuedAug 3, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.