AD7SB
Available2x2District 7
Competitive callsign — 3 applications filed with the FCC.
License HolderChamberlain, Nicholas A
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationSan Diego, CA
Grant DateMar 19, 2004
Expiration DateJun 15, 2014
Cancellation DateAug 12, 2011
Available for ApplicationsAug 13, 2013
AD7SB is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Chamberlain, Nicholas A in San Diego, CA. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by ZITTING, BARRY C on Aug 17, 2020. AD7SB has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- -.. --... ... -...
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Alpha Delta Seven 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 CanceledAug 12, 2011
- Administrative Update AppliedJun 28, 2011
- License IssuedFeb 7, 2008
- System-Generated GrantFeb 7, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.