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W4MFM

Active1x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderO'Mara, Sean P

License ClassGeneral

Min. Class RequiredGeneral

LocationFairfax, VA

Grant DateApr 7, 2020

Expiration DateJun 17, 2030

W4MFM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by O'Mara, Sean P in Fairfax, VA. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by LARSEN, GEORGE D on May 30, 2000. W4MFM has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 32 units(Moderate)

Voice Phonetics

Whiskey Four Mike Foxtrot Mike

Readability: 9/10(Excellent readability)

License History

License RenewedApr 7, 2020
Administrative Update AppliedJan 24, 2020
License RenewedJun 12, 2010
License ModifiedApr 8, 2008
License IssuedJun 17, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

LARSEN, GEORGE DFiled May 30, 2000
Not awardedFCC ↗
O MARA, SEAN PFiled May 30, 2000
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

W4MFM FCC Vanity Status: 2 Competing Applications & History