K4OW
Active1x2District 4
Competitive callsign — 46 applications filed with the FCC.
License HolderOverholser Jr, Jack B
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationBeverly Hills, FL
Grant DateSep 27, 2019
Expiration DateSep 27, 2029
K4OW is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Overholser Jr, Jack B in Beverly Hills, FL. This callsign has attracted significant interest in the amateur radio community, with 46 vanity applications filed with the FCC. The most recent was submitted by Ingrande, Nicholas on Sep 30, 2026. K4OW has 15 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- --- .--
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Kilo Four Oscar Whiskey
Readability: 8.5/10(High readability)
License History
- License IssuedSep 27, 2019
- Vanity Callsign GrantedSep 27, 2019
- License CanceledApr 30, 2019
- Administrative Update AppliedJan 3, 2019
- Administrative Update AppliedJul 18, 2017
- Administrative Update AppliedJul 18, 2017
- Administrative Update AppliedDec 30, 2016
- Administrative Update AppliedApr 28, 2015
- License RenewedJun 28, 2012
- FRN Association Email SentJan 21, 2011
- Administrative Update AppliedJan 21, 2011
Vanity Application Activity
Competing applications filed with the FCC for this callsign.