W1KDK
Expired1x3District 1
Competitive callsign — 3 applications filed with the FCC.
License HolderTOMPKINS, RALPH H
License ClassAdvanced
Min. Class RequiredGeneral
LocationColorado Springs, CO
Grant DateJul 6, 2016
Expiration DateJul 6, 2026
Available for ApplicationsJul 7, 2028
W1KDK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by TOMPKINS, RALPH H in Colorado Springs, CO. 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 BERGSTROM, KIMBAL L on Feb 4, 2002. W1KDK has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 39 units(Moderate)
Voice Phonetics
Whiskey One Kilo Delta Kilo
Readability: 8/10(High readability)
Available Jul 7, 2028 (671 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- Administrative Update AppliedJun 24, 2025
- Administrative Update AppliedAug 9, 2016
- License RenewedJul 6, 2016
- License RenewedMay 31, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.