KB4IOU
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderDreyer, Ulrich H
License ClassTechnician
Min. Class RequiredTechnician
LocationMonrovia, CA
Grant DateJun 6, 1995
Expiration DateJun 6, 2005
Cancellation DateJun 7, 2007
Available for ApplicationsJun 7, 2007
KB4IOU is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Dreyer, Ulrich H in Monrovia, CA. 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 TORRES, ALFREDO on Apr 12, 2022. KB4IOU has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-.- -... ....- .. --- ..-
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Bravo Four India Oscar Uniform
Readability: 6.5/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredJun 7, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- TORRES, ALFREDOFiled Apr 12, 2022Not awardedFCC ↗