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W4MPS

Active1x3District 4

Competitive callsign — 5 applications filed with the FCC.

License HolderSULLIVAN, MARC P

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationLyman, SC

Grant DateFeb 26, 2019

Expiration DateMay 12, 2029

W4MPS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SULLIVAN, MARC P in Lyman, SC. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by SWARTZ SR, MARK P on Nov 29, 2021. W4MPS has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 31 units(Moderate)

Voice Phonetics

Whiskey Four Mike Papa Sierra

Readability: 8/10(High readability)

License History

Administrative Update AppliedJan 21, 2026
License RenewedFeb 26, 2019
Administrative Update AppliedAug 17, 2017
Administrative Update AppliedJul 28, 2009
License IssuedMay 12, 2009
Vanity Callsign GrantedMay 12, 2009

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

SWARTZ SR, MARK PFiled Nov 29, 2021
Not awardedFCC ↗
SULLIVAN, MARC PFiled Apr 24, 2009
Not awardedFCC ↗
Sumner, Maureen PFiled Mar 10, 2008
Not awardedFCC ↗
CABRERA, CHARLES AFiled Apr 23, 2001

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← W4MPR W4MPT →

FCC data as of Sep 3, 2026

Not awarded

SNYDER, MICHAEL PFiled Apr 23, 2001

Not awardedFCC ↗

W4MPS FCC Vanity Status: 5 Competing Applications & History