KD8IOU
Active2x3District 8
Competitive callsign — 2 applications filed with the FCC.
License HolderRardin Sr, Brian C
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationMason, OH
Grant DateFeb 12, 2026
Expiration DateMay 10, 2036
KD8IOU is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Rardin Sr, Brian C in Mason, OH. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Rardin Sr, Brian C on Apr 22, 2016. KD8IOU has 17 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.. ---.. .. --- ..-
CW Weight: 39 units(Moderate)
Voice Phonetics
Kilo Delta Eight India Oscar Uniform
Readability: 6.5/10(Good readability)
License History
- License RenewedFeb 12, 2026
- Administrative Update AppliedJun 22, 2022
- Administrative Update AppliedJun 7, 2022
- Administrative Update AppliedJul 8, 2021
- Administrative Update AppliedApr 20, 2021
- Administrative Update AppliedApr 17, 2021
- Administrative Update AppliedJan 26, 2021
- Administrative Update AppliedApr 25, 2018
- Administrative Update AppliedJul 6, 2016
- Vanity Callsign GrantedMay 10, 2016
- License IssuedMay 10, 2016
Vanity Application Activity
Competing applications filed with the FCC for this callsign.