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W4OSY

Active1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderPOE, ALLAN H

License ClassAdvanced

Min. Class RequiredGeneral

LocationSAINT LOUIS, MO

Grant DateSep 11, 2025

Expiration DateOct 31, 2035

W4OSY is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by POE, ALLAN H in SAINT LOUIS, MO. 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 Young, Obie S on Oct 13, 2015. W4OSY has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 36 units(Moderate)

Voice Phonetics

Whiskey Four Oscar Sierra Yankee

Readability: 7.5/10(High readability)

License History

License RenewedSep 11, 2025
License IssuedOct 31, 2015
Vanity Callsign GrantedOct 31, 2015

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Young, Obie SFiled Oct 13, 2015
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

W4OSY FCC Vanity Status: 1 Competing Application & History