AI4SB
Available2x2District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderNAKAMURA, FRANCIS T
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationCHARLOTTE, NC
Grant DateAug 2, 2005
Expiration DateAug 2, 2015
Cancellation DateFeb 8, 2007
Available for ApplicationsFeb 9, 2009
AI4SB is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by NAKAMURA, FRANCIS T in CHARLOTTE, NC. 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 BRUTCHER JR, SAMUEL P on Dec 5, 2023. AI4SB has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .. ....- ... -...
CW Weight: 22 units(Light (fast to send))
Voice Phonetics
Alpha India Four Sierra Bravo
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, 2007
- License IssuedSep 29, 2006
- System-Generated GrantSep 29, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.