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/WW4BM

← Back to results

WW4BM

Active2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderLee, Moon Joo

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationPalo Alto, CA

Grant DateJun 28, 2019

Expiration DateJun 28, 2029

WW4BM is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Lee, Moon Joo in Palo Alto, 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 Lee, Moon Joo on Jun 10, 2019. WW4BM has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 33 units(Moderate)

Voice Phonetics

Whiskey Whiskey Four Bravo Mike

Readability: 8.5/10(High readability)

License History

License IssuedJun 28, 2019
Vanity Callsign GrantedJun 28, 2019

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Lee, Moon JooFiled Jun 10, 2019
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← WW4BL WW4BP →

FCC data as of Sep 12, 2026 — may be delayed

WW4BM FCC Vanity Status: 1 Competing Application & History