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N0SUM

Active1x3District 0

Competitive callsign — 1 application filed with the FCC.

License HolderSTEPHENSON, WILLIAM J

License ClassTechnician

Min. Class RequiredGeneral

LocationBuffalo, WY

Grant DateSep 3, 2022

Expiration DateOct 31, 2032

N0SUM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by STEPHENSON, WILLIAM J in Buffalo, WY. 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 Jennings, Alexei L on May 20, 2019. N0SUM has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 33 units(Moderate)

Voice Phonetics

November Zero Sierra Uniform Mike

Readability: 6.5/10(Good readability)

License History

License RenewedSep 3, 2022
Administrative Update AppliedJan 22, 2021
License RenewedSep 20, 2012
License RenewedOct 31, 2002

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Jennings, Alexei LFiled May 20, 2019
Not awardedFCC ↗

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FCC data as of Sep 4, 2026

N0SUM FCC Vanity Status: 1 Competing Application & History