W0IOU
Active1x3District 0
Competitive callsign — 4 applications filed with the FCC.
License HolderBIRKENHOLTZ, TODD A
License ClassTechnician
Min. Class RequiredGeneral
LocationALTOONA, IA
Grant DateJun 17, 2025
Expiration DateJun 17, 2035
W0IOU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by BIRKENHOLTZ, TODD A in ALTOONA, IA. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by BIRKENHOLTZ, TODD A on Aug 5, 2004. W0IOU has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 38 units(Moderate)
Voice Phonetics
Whiskey Zero India Oscar Uniform
Readability: 6.5/10(Good readability)
License History
- License RenewedJun 17, 2025
- Administrative Update AppliedMar 23, 2021
- License RenewedJul 1, 2014
- License IssuedAug 24, 2004
- Vanity Callsign GrantedAug 24, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.