N0XXS
Active1x3District 0
Competitive callsign — 1 application filed with the FCC.
License HolderMonson, Sheldon
License ClassGeneral
Min. Class RequiredGeneral
LocationColorado Springs, CO
Grant DateApr 24, 2026
Expiration DateApr 24, 2036
N0XXS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Monson, Sheldon in Colorado Springs, CO. 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 Monson, Sheldon on Apr 6, 2026. N0XXS has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ----- -..- -..- ...
CW Weight: 38 units(Moderate)
Voice Phonetics
November Zero X-ray X-ray Sierra
Readability: 6.5/10(Good readability)
License History
- License IssuedApr 24, 2026
- Vanity Callsign GrantedApr 24, 2026
- License ExpiredJul 29, 2025
- License RenewedMay 29, 2013
- Tax ID (TIN) AddedApr 28, 2003
- License RenewedApr 28, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Monson, SheldonFiled Apr 6, 2026Not awardedFCC ↗