W4SDF
Active1x3District 4
Competitive callsign — 6 applications filed with the FCC.
License HolderRichter, Michael E
License ClassGeneral
Min. Class RequiredGeneral
LocationLouisville, KY
Grant DateNov 26, 2022
Expiration DateNov 26, 2032
W4SDF is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Richter, Michael E in Louisville, KY. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by Richter, Michael E on Nov 8, 2022. W4SDF has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- ... -.. ..-.
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Whiskey Four Sierra Delta Foxtrot
Readability: 7.5/10(High readability)
License History
- License IssuedNov 26, 2022
- Vanity Callsign GrantedNov 26, 2022
- License ExpiredJun 6, 2019
- License IssuedJun 5, 2007
- Vanity Callsign GrantedJun 5, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.