WP4KO
Available2x2District 4
Competitive callsign — 1 application filed with the FCC.
License HolderBOSE, RALPH C
License ClassGeneral
Min. Class RequiredGeneral
LocationWANTAGH, NY
Grant DateOct 7, 1999
Expiration DateOct 7, 2009
Cancellation DateOct 8, 2011
Available for ApplicationsOct 8, 2011
WP4KO is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by BOSE, RALPH C in WANTAGH, NY. 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 Silvers, Steven W on Jun 16, 2026. WP4KO has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .--. ....- -.- ---
CW Weight: 38 units(Moderate)
Voice Phonetics
Whiskey Papa Four Kilo Oscar
Readability: 8/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredOct 8, 2011
- Authorization PrintedFeb 8, 2000
- Internal Correction AppliedFeb 7, 2000
- License ExpiredAug 16, 1999
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Silvers, Steven WFiled Jun 16, 2026Not awardedFCC ↗