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/K4MPS

← Back to results

K4MPS

Active1x3District 4

Competitive callsign — 8 applications filed with the FCC.

License HolderShields, Michael P

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationRoyal Palm Beach, FL

Grant DateAug 30, 2024

Expiration DateAug 30, 2034

K4MPS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Shields, Michael P in Royal Palm Beach, FL. This callsign has attracted significant interest in the amateur radio community, with 8 vanity applications filed with the FCC. The most recent was submitted by Shields, Michael P on Aug 12, 2024. K4MPS has 13 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 31 units(Moderate)

Voice Phonetics

Kilo Four Mike Papa Sierra

Readability: 8/10(High readability)

License History

Vanity Callsign GrantedAug 30, 2024
License IssuedAug 30, 2024
License CanceledDec 3, 2019
License ModifiedNov 14, 2019
License IssuedJun 4, 2019
Vanity Callsign GrantedJun 4, 2019
License CanceledMar 15, 2011
License ModifiedFeb 24, 2011
License IssuedMar 28, 2008
Vanity Callsign GrantedMar 28, 2008
License CanceledJul 9, 2004
Vanity Callsign Granted

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Shields, Michael PFiled Aug 12, 2024
Not awardedFCC ↗
Hilbert, Wayne EFiled Apr 11, 2024
Not awardedFCC ↗
Sheehy, Michael PFiled Oct 30, 2020
Not awardedFCC ↗
Smith, Michael PFiled May 15, 2019

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K4MPR K4MPT →

FCC data as of Sep 3, 2026

Jun 11, 2004

License IssuedJun 11, 2004

Not awarded

Sumner, Maureen PFiled Mar 10, 2008

Not awardedFCC ↗

SIMMONS, MICHAEL PFiled May 24, 2004

Not awardedFCC ↗

CABRERA, CHARLES AFiled Apr 23, 2001

Not awardedFCC ↗

SNYDER, MICHAEL PFiled Apr 23, 2001

Not awardedFCC ↗

K4MPS FCC Vanity Status: 8 Competing Applications & History