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NO3O

Active2x1District 3

Competitive callsign — 7 applications filed with the FCC.

License HolderWEBER, CHRISTOPHER D

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationGlen Burnie, MD

Grant DateMay 16, 2020

Expiration DateMay 16, 2030

NO3O is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by WEBER, CHRISTOPHER D in Glen Burnie, MD. This callsign has attracted significant interest in the amateur radio community, with 7 vanity applications filed with the FCC. The most recent was submitted by WEBER, CHRISTOPHER D on Apr 28, 2020. NO3O has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 31 units(Moderate)

Voice Phonetics

November Oscar Three Oscar

Readability: 8/10(High readability)

License History

License IssuedMay 16, 2020
Vanity Callsign GrantedMay 16, 2020
License ExpiredJan 16, 2020
Tax ID (TIN) AddedOct 17, 2007
License RenewedOct 17, 2007

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

WEBER, CHRISTOPHER DFiled Apr 28, 2020
Not awardedFCC ↗
Andrews, MichaelFiled Mar 16, 2020
Not awardedFCC ↗
Nelson, Phillip LFiled Mar 2, 2020
Not awardedFCC ↗
WATERS, DAVID RFiled Feb 26, 2020

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← NO3N NO3P →

FCC data as of Sep 3, 2026

Not awarded

Mote, Steven AFiled Feb 18, 2020

DismissedFCC ↗

PETERSON, MARK AFiled Feb 6, 2020

Not awardedFCC ↗

Wang, ZhaoweiFiled Jan 28, 2020

Not awardedFCC ↗

NO3O FCC Vanity Status: 7 Competing Applications & History