K4SDO
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderO DONNELL, STEVEN D
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationLEXINGTON, KY
Grant DateOct 16, 2024
Expiration DateNov 10, 2034
K4SDO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by O DONNELL, STEVEN D in LEXINGTON, KY. 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 O DONNELL, STEVEN D on Oct 21, 2004. K4SDO has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ... -.. ---
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Four Sierra Delta Oscar
Readability: 7.5/10(High readability)
License History
- License RenewedOct 16, 2024
- License RenewedAug 15, 2014
- License IssuedNov 10, 2004
- Vanity Callsign GrantedNov 10, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.