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W6OWO

Active1x3District 6

Competitive callsign — 3 applications filed with the FCC.

License HolderAmmermann, Ernest Paul Henry C

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationSunnyvale, CA

Grant DateFeb 6, 2024

Expiration DateFeb 6, 2034

W6OWO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Ammermann, Ernest Paul Henry C in Sunnyvale, 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 Ammermann, Ernest Paul Henry C on Jan 19, 2024. W6OWO has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 39 units(Moderate)

Voice Phonetics

Whiskey Six Oscar Whiskey Oscar

Readability: 8/10(High readability)

License History

Administrative Update AppliedApr 21, 2026
Administrative Update AppliedApr 1, 2026
Administrative Update AppliedApr 1, 2026
License ModifiedFeb 27, 2024
License IssuedFeb 6, 2024
Vanity Callsign GrantedFeb 6, 2024

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Ammermann, Ernest Paul Henry CFiled Jan 19, 2024
Not awardedFCC ↗
Erdosi-Szucs, FrigyesFiled Feb 10, 2023
Not awardedFCC ↗
Miller, NicoleFiled Oct 18, 2019
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 4, 2026

W6OWO FCC Vanity Status: 3 Competing Applications & History