W4OKI
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderMartin, Jeffrey D
License ClassAdvanced
Min. Class RequiredGeneral
LocationMinneapolis, MN
Grant DateJan 9, 2025
Expiration DateJan 21, 2035
W4OKI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Martin, Jeffrey D in Minneapolis, MN. 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 Kiser, Danny L on Jan 2, 2015. W4OKI has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- --- -.- ..
CW Weight: 32 units(Moderate)
Voice Phonetics
Whiskey Four Oscar Kilo India
Readability: 7.5/10(High readability)
License History
- License RenewedJan 9, 2025
- Administrative Update AppliedAug 11, 2020
- Administrative Update AppliedDec 4, 2015
- License IssuedJan 21, 2015
- Vanity Callsign GrantedJan 21, 2015
Vanity Application Activity
Competing applications filed with the FCC for this callsign.