K0IOS
Active1x3District 0
Competitive callsign — 4 applications filed with the FCC.
License HolderRussell, William J
License ClassGeneral
Min. Class RequiredGeneral
LocationMamaroneck, NY
Grant DateAug 23, 2017
Expiration DateAug 23, 2027
K0IOS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Russell, William J in Mamaroneck, NY. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Russell, William J on Jul 16, 2007. K0IOS has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- .. --- ...
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Zero India Oscar Sierra
Readability: 6.5/10(Good readability)
License History
- License RenewedAug 23, 2017
- License IssuedAug 3, 2007
- Vanity Callsign GrantedAug 3, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.