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AE4US

Active2x2District 4

Competitive callsign — 3 applications filed with the FCC.

License HolderCARADONNA, THOMAS M

License ClassTechnician

Min. Class RequiredGeneral

LocationLos Altos, CA

Grant DateMay 21, 2021

Expiration DateMay 21, 2031

AE4US is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by CARADONNA, THOMAS M in Los Altos, 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 Cherry, Michael P on May 3, 2021. AE4US has 7 recorded FCC license history events.

CW & Voice Analysis

Morse Code

.- . ....- ..- ...

CW Weight: 20 units(Ultra-light (very fast to send))

Voice Phonetics

Alpha Echo Four Uniform Sierra

Readability: 7/10(Good readability)

License History

License IssuedMay 21, 2021
Vanity Callsign GrantedMay 21, 2021
License CanceledNov 20, 2018
Vanity Callsign GrantedOct 2, 2018
License IssuedOct 2, 2018
License ExpiredApr 6, 2016
Tax ID (TIN) AddedMar 17, 2004

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Cherry, Michael PFiled May 3, 2021
Not awardedFCC ↗
Kindred, Steven BFiled Sep 14, 2018
Not awardedFCC ↗
Franklin, Rodney RFiled Jun 27, 2016
Not awardedFCC ↗

Search external databases

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← AE4UQ AE4UT →

FCC data as of Sep 12, 2026 — may be delayed

AE4US FCC Vanity Status: 3 Competing Applications & History