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/K4MRT

← Back to results

K4MRT

Active1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderBURT, MICHAEL F

License ClassAdvanced

Min. Class RequiredGeneral

LocationNew Bern, NC

Grant DateJul 21, 2017

Expiration DateSep 22, 2027

K4MRT is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by BURT, MICHAEL F in New Bern, NC. 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 McClung, Joseph on Jun 9, 2025. K4MRT has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 28 units(Light (fast to send))

Voice Phonetics

Kilo Four Mike Romeo Tango

Readability: 8/10(High readability)

License History

License RenewedJul 21, 2017
Administrative Update AppliedApr 17, 2009
License RenewedSep 22, 2007
Administrative Update AppliedNov 30, 2004

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

McClung, JosephFiled Jun 9, 2025
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K4MRS K4MRV →

FCC data as of Sep 4, 2026

K4MRT FCC Vanity Status: 1 Competing Application & History