W7OI
Active1x2District 7
Competitive callsign — 27 applications filed with the FCC.
License HolderKALLAHER, KEN J
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationCONROE, TX
Grant DateMay 12, 2026
Expiration DateJul 29, 2036
W7OI is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by KALLAHER, KEN J in CONROE, TX. This callsign has attracted significant interest in the amateur radio community, with 27 vanity applications filed with the FCC. The most recent was submitted by ANDERSON, ERIC R on Jul 20, 2016. W7OI has 10 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- --... --- ..
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Whiskey Seven Oscar India
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedMay 15, 2026
- License RenewedMay 12, 2026
- Administrative Update AppliedJan 16, 2026
- Administrative Update AppliedApr 4, 2019
- Administrative Update AppliedSep 7, 2016
- License IssuedJul 29, 2016
- Vanity Callsign GrantedJul 29, 2016
- License ExpiredJul 12, 2016
- Tax ID (TIN) AddedApr 19, 2004
- License RenewedApr 19, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.