K4OPP
Available1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderCLARKE JR, PHILIP G
License ClassGeneral
Min. Class RequiredGeneral
LocationISLE OF PALMS, SC
Grant DateMay 7, 2004
Expiration DateJul 15, 2014
Cancellation DateJul 16, 2016
Available for ApplicationsJul 16, 2016
K4OPP is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by CLARKE JR, PHILIP G in ISLE OF PALMS, SC. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Cole, Carl on May 18, 2026. K4OPP has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- --- .--. .--.
CW Weight: 39 units(Moderate)
Voice Phonetics
Kilo Four Oscar Papa Papa
Readability: 8/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredJul 16, 2016
- License ModifiedMar 5, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.