K4OOO
Active1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderSTERLING, WILLIAM G
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationBROOKFIELD, CT
Grant DateFeb 1, 2023
Expiration DateMar 29, 2033
K4OOO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by STERLING, WILLIAM G in BROOKFIELD, CT. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Senderovits, Benjamin on Jul 27, 2020. K4OOO has 10 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- --- --- ---
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Four Oscar Oscar Oscar
Readability: 8/10(High readability)
License History
- License RenewedFeb 1, 2023
- Administrative Update AppliedJan 31, 2023
- Administrative Update AppliedSep 17, 2021
- License ModifiedMay 27, 2016
- Administrative Update AppliedMay 14, 2016
- Vanity Callsign GrantedMar 29, 2013
- License IssuedMar 29, 2013
- License ExpiredDec 31, 2010
- Administrative Update AppliedNov 3, 2005
- FRN Association Email SentNov 2, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.