N1UO
Expired1x2District 1
Competitive callsign — 12 applications filed with the FCC.
License HolderRADCHENKO, LEO
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationNEWPORT, RI
Grant DateOct 4, 2014
Expiration DateNov 27, 2024
Available for ApplicationsNov 28, 2026
N1UO is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by RADCHENKO, LEO in NEWPORT, RI. This callsign has attracted significant interest in the amateur radio community, with 12 vanity applications filed with the FCC. The most recent was submitted by RADCHENKO, LEO on Nov 9, 2004. N1UO has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. .---- ..- ---
CW Weight: 31 units(Moderate)
Voice Phonetics
November One Uniform Oscar
Readability: 7.5/10(High readability)
Available Nov 28, 2026 (84 days remaining)
Requires Amateur Extra license or higher to apply for this callsign format (1x2).
License History
- License RenewedOct 4, 2014
- License IssuedNov 27, 2004
- Vanity Callsign GrantedNov 27, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.