W6SFK
Active1x3District 6
Competitive callsign — 2 applications filed with the FCC.
License HolderKoster, Steve F
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationGeyserville, CA
Grant DateNov 16, 2021
Expiration DateFeb 4, 2032
W6SFK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Koster, Steve F in Geyserville, CA. 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 Koster, Steve F on Jan 17, 2012. W6SFK has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- -.... ... ..-. -.-
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Whiskey Six Sierra Foxtrot Kilo
Readability: 7.5/10(High readability)
License History
- License RenewedNov 16, 2021
- License ModifiedJul 24, 2013
- Administrative Update AppliedMar 21, 2012
- License IssuedFeb 4, 2012
- Vanity Callsign GrantedFeb 4, 2012
Vanity Application Activity
Competing applications filed with the FCC for this callsign.