AJ4U
Active2x1District 4
Competitive callsign — 1 application filed with the FCC.
License HolderCLARKE, WILLIAM J
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationSUMMERVILLE, SC
Grant DateDec 7, 2016
Expiration DateFeb 12, 2027
AJ4U is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by CLARKE, WILLIAM J in SUMMERVILLE, SC. 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 KLINGER, ROBERT M on Aug 1, 2018. AJ4U has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .--- ....- ..-
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Alpha Juliet Four Uniform
Readability: 7.5/10(High readability)
License History
- License RenewedDec 7, 2016
- License RenewedFeb 3, 2007
- Tax ID (TIN) AddedJan 29, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- KLINGER, ROBERT MFiled Aug 1, 2018DismissedFCC ↗