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/N1SLC

← Back to results

N1SLC

Active1x3District 1

Competitive callsign — 3 applications filed with the FCC.

License HolderChristensen, Sydney L

License ClassTechnician

Min. Class RequiredGeneral

LocationProspect, CT

Grant DateAug 1, 2023

Expiration DateAug 1, 2033

N1SLC is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Christensen, Sydney L in Prospect, CT. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Porter Jr, Neil A on Dec 16, 2025. N1SLC has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 34 units(Moderate)

Voice Phonetics

November One Sierra Lima Charlie

Readability: 7/10(Good readability)

License History

License IssuedAug 1, 2023
Vanity Callsign GrantedAug 1, 2023
License CanceledJun 27, 2017
License IssuedMar 23, 2010
Vanity Callsign GrantedMar 23, 2010
License ExpiredJul 15, 2006

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Porter Jr, Neil AFiled Dec 16, 2025
Not awardedFCC ↗
Christensen, Sydney LFiled Jul 14, 2023
Not awardedFCC ↗
Casey, Stephen LFiled Mar 5, 2010
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← N1SLB N1SLD →

FCC data as of Sep 3, 2026

N1SLC FCC Vanity Status: 3 Competing Applications & History