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/W4UM

← Back to results

W4UM

Active1x2District 4

Competitive callsign — 6 applications filed with the FCC.

License HolderRASKIN, MICHAEL M

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationSewall's Point, FL

Grant DateSep 12, 2017

Expiration DateOct 21, 2027

W4UM is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by RASKIN, MICHAEL M in Sewall's Point, FL. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by Dahlhofer, Gary R on Jun 22, 2009. W4UM has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 25 units(Light (fast to send))

Voice Phonetics

Whiskey Four Uniform Mike

Readability: 8.5/10(High readability)

License History

License RenewedSep 12, 2017
License RenewedAug 7, 2007
Administrative Update AppliedFeb 7, 2003

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Dahlhofer, Gary RFiled Jun 22, 2009
Not awardedFCC ↗
MOORE, GEORGE WFiled Mar 4, 2002
Not awardedFCC ↗
PETERS, JACK RFiled Nov 29, 1999
Not awardedFCC ↗
WILDING, LESLIE JFiled Nov 29, 1999

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← W4UL W4UN →

FCC data as of Sep 3, 2026

Not awarded

Hansen, Harold JFiled Oct 15, 1999

DismissedFCC ↗

JOYNES, BRYN EFiled Oct 15, 1999

DismissedFCC ↗

W4UM FCC Vanity Status: 6 Competing Applications & History