K0DK
Active1x2District 0
Competitive callsign — 5 applications filed with the FCC.
License HolderKIEFER, RICHARD E
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationBOULDER, CO
Grant DateDec 30, 2025
Expiration DateFeb 28, 2036
K0DK is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by KIEFER, RICHARD E in BOULDER, CO. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Kucera, Daniel J on Aug 25, 2025. K0DK has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- -.. -.-
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Zero Delta Kilo
Readability: 8/10(High readability)
License History
- License RenewedDec 30, 2025
- License RenewedDec 3, 2015
- License RenewedJan 6, 2006
- FRN Association Letter SentJan 5, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.