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/N0SXX

← Back to results

N0SXX

Active1x3District 0

Competitive callsign — 1 application filed with the FCC.

License HolderMarcus, Patrick

License ClassTechnician

Min. Class RequiredGeneral

LocationTucson, AZ

Grant DateApr 1, 2022

Expiration DateApr 1, 2032

N0SXX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Marcus, Patrick in Tucson, AZ. 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 Marcus, Patrick on Mar 14, 2022. N0SXX has 8 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 38 units(Moderate)

Voice Phonetics

November Zero Sierra X-ray X-ray

Readability: 6.5/10(Good readability)

License History

Vanity Callsign GrantedApr 1, 2022
License IssuedApr 1, 2022
License CanceledJan 24, 2012
License ModifiedNov 13, 2009
Administrative Update AppliedMay 26, 2009
Administrative Update AppliedOct 14, 2004
Tax ID (TIN) AddedMar 12, 2002
License RenewedMar 12, 2002

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Marcus, PatrickFiled Mar 14, 2022
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← N0SXW N0SXY →

FCC data as of Sep 4, 2026

N0SXX FCC Vanity Status: 1 Competing Application & History