AJ4SB
Active2x2District 4
Competitive callsign — 1 application filed with the FCC.
License HolderFrailing, Robert S
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationDayton, TN
Grant DateDec 1, 2017
Expiration DateFeb 19, 2028
AJ4SB is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Frailing, Robert S in Dayton, TN. 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 Bates, Steve W on May 15, 2008. AJ4SB has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .--- ....- ... -...
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Alpha Juliet Four Sierra Bravo
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedMay 14, 2025
- License RenewedDec 1, 2017
- Administrative Update AppliedAug 25, 2015
- Administrative Update AppliedJul 24, 2015
- License IssuedAug 11, 2009
- System-Generated GrantAug 11, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Bates, Steve WFiled May 15, 2008Not awardedFCC ↗