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/AB4SM

← Back to results

AB4SM

Active2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderADISON, JOHN C

License ClassGeneral

Min. Class RequiredGeneral

LocationSOUTHAMPTON, NJ

Grant DateNov 19, 2024

Expiration DateDec 7, 2034

AB4SM is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by ADISON, JOHN C in SOUTHAMPTON, NJ. 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 MILNER, STEVE A on Nov 18, 2004. AB4SM has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 26 units(Light (fast to send))

Voice Phonetics

Alpha Bravo Four Sierra Mike

Readability: 8/10(High readability)

License History

Administrative Update AppliedNov 21, 2024
License RenewedNov 19, 2024
License RenewedOct 15, 2014
License IssuedDec 7, 2004
Vanity Callsign GrantedDec 7, 2004

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

MILNER, STEVE AFiled Nov 18, 2004
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← AB4SL AB4SN →

FCC data as of Sep 3, 2026

AB4SM FCC Vanity Status: 1 Competing Application & History