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WS4AU

Active2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderHeydasch, Robert E

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationKnoxville, TN

Grant DateAug 16, 2022

Expiration DateSep 8, 2032

WS4AU is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Heydasch, Robert E in Knoxville, 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 Heydasch, Robert E on Aug 21, 2012. WS4AU has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 26 units(Light (fast to send))

Voice Phonetics

Whiskey Sierra Four Alpha Uniform

Readability: 7/10(Good readability)

License History

License RenewedAug 16, 2022
License IssuedSep 8, 2012
Vanity Callsign GrantedSep 8, 2012

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Heydasch, Robert EFiled Aug 21, 2012
Not awardedFCC ↗

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

WS4AU FCC Vanity Status: 1 Competing Application & History