AA0IO
Available2x2District 0
Competitive callsign — 1 application filed with the FCC.
License HolderALLEN, CHARLES R
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationSAINT LOUIS, MO
Grant DateMay 12, 1992
Expiration DateMay 12, 2002
Cancellation DateMay 13, 2004
Available for ApplicationsMay 13, 2004
AA0IO is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by ALLEN, CHARLES R in SAINT LOUIS, MO. 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 Lucero, Joseph W on Mar 1, 2017. AA0IO has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
.- .- ----- .. ---
CW Weight: 34 units(Moderate)
Voice Phonetics
Alpha Alpha Zero India Oscar
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredMay 13, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Lucero, Joseph WFiled Mar 1, 2017Not awardedFCC ↗