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/N4LSO

← Back to results

N4LSO

Active1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderHarman, Samuel J

License ClassGeneral

Min. Class RequiredGeneral

LocationLocust Grove, VA

Grant DateNov 14, 2023

Expiration DateNov 14, 2033

N4LSO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Harman, Samuel J in Locust Grove, VA. 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 Harman, Samuel J on Oct 24, 2023. N4LSO has 7 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 29 units(Light (fast to send))

Voice Phonetics

November Four Lima Sierra Oscar

Readability: 7/10(Good readability)

License History

Administrative Update AppliedNov 16, 2023
Administrative Update AppliedNov 15, 2023
License IssuedNov 14, 2023
Vanity Callsign GrantedNov 14, 2023
License ExpiredMay 4, 2017
License RenewedMay 3, 2005
FRN Association Letter SentMay 2, 2005

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Harman, Samuel JFiled Oct 24, 2023
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← N4LSM N4LSP →

FCC data as of Sep 3, 2026

N4LSO FCC Vanity Status: 1 Competing Application & History