AI4OS
Available2x2District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderVoshell, Frank J
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationAiken, SC
Grant DateDec 17, 2008
Expiration DateMar 13, 2019
Cancellation DateFeb 8, 2014
Available for ApplicationsFeb 9, 2016
AI4OS is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Voshell, Frank J in Aiken, SC. 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 BISHOP, KENNETH A on Jun 19, 2000. AI4OS has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .. ....- --- ...
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
Alpha India Four Oscar Sierra
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 CanceledFeb 8, 2014
- License RenewedDec 17, 2008
- Administrative Update AppliedApr 13, 2007
- License IssuedMar 13, 2006
- System-Generated GrantMar 13, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.