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N0TSO

Active1x3District 0

Competitive callsign — 1 application filed with the FCC.

License HolderPETERSON, DAVID W

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationGENEVA, IL

Grant DateApr 14, 2026

Expiration DateJun 10, 2036

N0TSO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by PETERSON, DAVID W in GENEVA, IL. 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 Clark, Zachery A on May 23, 2016. N0TSO has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 34 units(Moderate)

Voice Phonetics

November Zero Tango Sierra Oscar

Readability: 6.5/10(Good readability)

License History

License RenewedApr 14, 2026
License IssuedJun 10, 2016
Vanity Callsign GrantedJun 10, 2016
License ExpiredAug 5, 2015
Administrative Update AppliedJun 15, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Clark, Zachery AFiled May 23, 2016
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

N0TSO FCC Vanity Status: 1 Competing Application & History