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WO2U

Active2x1District 2

Competitive callsign — 3 applications filed with the FCC.

License HolderO'BRIEN, WALTER J

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationCLARK, NJ

Grant DateJan 31, 2017

Expiration DateApr 20, 2027

WO2U is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by O'BRIEN, WALTER J in CLARK, NJ. 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 Frazee, Sam on Dec 28, 2020. WO2U has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 32 units(Moderate)

Voice Phonetics

Whiskey Oscar Two Uniform

Readability: 8/10(High readability)

License History

License RenewedJan 31, 2017
Administrative Update AppliedApr 24, 2013
Administrative Update AppliedApr 27, 2007
License IssuedApr 20, 2007
Vanity Callsign GrantedApr 20, 2007

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Frazee, SamFiled Dec 28, 2020
Not awardedFCC ↗
O'Brien, Walter JFiled Apr 2, 2007
Not awardedFCC ↗
CASADONTE JR, JOSEPH AFiled Jun 9, 2003
Not awardedFCC ↗

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FCC data as of Jul 25, 2026 — may be delayed

WO2U FCC Vanity Status: 3 Competing Applications & History