CFCallsignFinder

Search Watchlist

Track FCC amateur radio vanity callsign availability. Data updated daily.

Legal & Info

Pricing FAQ Terms of Service Privacy Policy

© 2026 CallsignFinder. All rights reserved.

FCC data sourced from FCC Universal Licensing System. Not affiliated with the FCC.

Watchlist Search Account

Home/Search/N0UO

← Back to results

N0UO

Active1x2District 0

Competitive callsign — 4 applications filed with the FCC.

License HolderWALZ, BARBARA L

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationKIOWA, KS

Grant DateApr 2, 2020

Expiration DateMay 26, 2030

N0UO is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by WALZ, BARBARA L in KIOWA, KS. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by ENDERS, TODD R on May 18, 2000. N0UO has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 33 units(Moderate)

Voice Phonetics

November Zero Uniform Oscar

Readability: 7/10(Good readability)

License History

License RenewedApr 2, 2020
License RenewedMar 6, 2010
License IssuedMay 26, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

ENDERS, TODD RFiled May 18, 2000
Not awardedFCC ↗
O BRIEN, MATTHEW SFiled May 18, 2000
Not awardedFCC ↗
SEESSENGOOD, MARTIN PFiled May 8, 2000
Not awardedFCC ↗
WALZ, BARBARA LFiled May 8, 2000

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← N0UN N0UP →

FCC data as of Sep 4, 2026

Not awarded

N0UO FCC Vanity Status: 4 Competing Applications & History