K7DIO
Active1x3District 7
Competitive callsign — 1 application filed with the FCC.
License HolderSeebruch, Glen A
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationTucson, AZ
Grant DateFeb 10, 2026
Expiration DateFeb 10, 2036
K7DIO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Seebruch, Glen A in Tucson, AZ. 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 Seebruch, Glen A on Jan 23, 2026. K7DIO has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --... -.. .. ---
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Seven Delta India Oscar
Readability: 7/10(Good readability)
License History
- License IssuedFeb 10, 2026
- Vanity Callsign GrantedFeb 10, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Seebruch, Glen AFiled Jan 23, 2026Not awardedFCC ↗