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W4USO

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderJAGER, HENRY L

License ClassAdvanced

Min. Class RequiredGeneral

LocationROCHESTER, MN

Grant DateApr 23, 1997

Expiration DateApr 23, 2007

Cancellation DateApr 24, 2009

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W4USO

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderJAGER, HENRY L

License ClassAdvanced

Min. Class RequiredGeneral

LocationROCHESTER, MN

Grant DateApr 23, 1997

Expiration DateApr 23, 2007

Cancellation DateApr 24, 2009

Available for ApplicationsApr 24, 2009

W4USO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by JAGER, HENRY L in ROCHESTER, MN. 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 Baldi, Leonardo on Oct 13, 2010. W4USO has 1 recorded FCC license history event.

CW & Voice Analysis

Morse Code

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

CW Weight: 31 units(Moderate)

Voice Phonetics

Whiskey Four Uniform Sierra Oscar

Readability: 7/10(Good readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (1x3).

License History

License ExpiredApr 24, 2009

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Baldi, LeonardoFiled Oct 13, 2010
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 3, 2026

W4USO FCC Vanity Status: 1 Competing Application & History