K5OH
Available1x2District 5
Competitive callsign — 17 applications filed with the FCC.
License HolderWARREN, HENRY T
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationLAWTON, OK
Grant DateApr 19, 2017
Expiration DateMar 27, 2027
Cancellation DateAug 13, 2024
Available for ApplicationsAug 14, 2026
K5OH is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by WARREN, HENRY T in LAWTON, OK. This callsign has attracted significant interest in the amateur radio community, with 17 vanity applications filed with the FCC. The most recent was submitted by McBride, Michael E on Aug 21, 2026. K5OH has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..... --- ....
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
Kilo Five Oscar Hotel
Readability: 8.5/10(High readability)
This callsign is available now
Requires Amateur Extra license or higher to apply for this callsign format (1x2).
License History
- Internal Correction AppliedJul 14, 2026
- Internal Correction AppliedJul 14, 2026
- License RenewedApr 19, 2017
- License RenewedFeb 3, 2007
- Tax ID (TIN) AddedMay 18, 2005
- Administrative Update AppliedMay 18, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.