K4CIO
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderSakabu, Roy
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationAntelope, CA
Grant DateSep 13, 2023
Expiration DateNov 7, 2033
K4CIO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Sakabu, Roy in Antelope, CA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Parente, Mark R on Oct 20, 2003. K4CIO has 13 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -.-. .. ---
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Four Charlie India Oscar
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedSep 14, 2023
- Administrative Update AppliedSep 13, 2023
- License RenewedSep 13, 2023
- Administrative Update AppliedNov 15, 2016
- Administrative Update AppliedNov 15, 2016
- License RenewedAug 10, 2013
- Administrative Update AppliedDec 17, 2011
- Administrative Update AppliedMay 3, 2011
- Administrative Update AppliedMar 17, 2006
- Administrative Update AppliedApr 29, 2005
- License ModifiedJan 12, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Parente, Mark RFiled Oct 20, 2003Not awardedFCC ↗