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/NA8O

← Back to results

NA8O

Active2x1District 8

Competitive callsign — 1 application filed with the FCC.

License HolderKOBAYASHI, NAOYUKI

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationSan Jose, CA

Grant DateOct 18, 2022

Expiration DateJan 14, 2033

NA8O is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by KOBAYASHI, NAOYUKI in San Jose, CA. 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 KOBAYASHI, NAOYUKI on Dec 27, 2002. NA8O has 8 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 28 units(Light (fast to send))

Voice Phonetics

November Alpha Eight Oscar

Readability: 8/10(High readability)

License History

License RenewedOct 18, 2022
License RenewedDec 4, 2012
Administrative Update AppliedDec 21, 2004
Administrative Update AppliedAug 3, 2004
Vanity Callsign GrantedJan 14, 2003
License IssuedJan 14, 2003
License CanceledDec 8, 2000
Administrative Update AppliedAug 9, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

KOBAYASHI, NAOYUKIFiled Dec 27, 2002
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← NA8N NA8P →

FCC data as of Jul 28, 2026

NA8O FCC Vanity Status: 1 Competing Application & History