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W4JSM

Active1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderMarbury, Joe S

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationSparta, GA

Grant DateDec 5, 2017

Expiration DateFeb 6, 2028

W4JSM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Marbury, Joe S in Sparta, GA. 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 Miller, Joseph S on Jan 21, 2015. W4JSM has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 33 units(Moderate)

Voice Phonetics

Whiskey Four Juliet Sierra Mike

Readability: 7.5/10(High readability)

License History

License RenewedDec 5, 2017
License RenewedJan 11, 2008
License ModifiedFeb 27, 2006
Administrative Update AppliedFeb 13, 2001

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Miller, Joseph SFiled Jan 21, 2015
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 3, 2026

W4JSM FCC Vanity Status: 1 Competing Application & History